Commission Implementing Regulation (EU) 2025/111 of 23 January 2025 amending Regulation (EU) No 1321/2014 as regards continuing airworthiness for electric- and hybrid-propulsion aircraft and other non-conventional aircraft

Image omitted; see official source	Official Journal of the European Union	EN L series
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	2025/111	24.1.2025

THE EUROPEAN COMMISSION,

Having regard to the Treaty on the Functioning of the European Union,

Having regard to Regulation (EU) 2018/1139 of the European Parliament and of the Council of 4 July 2018 on common rules in the field of civil aviation and establishing a European Union Aviation Safety Agency, and amending Regulations (EC) No 2111/2005, (EC) No 1008/2008, (EU) No 996/2010, (EU) No 376/2014 and Directives 2014/30/EU and 2014/53/EU of the European Parliament and of the Council, and repealing Regulations (EC) No 552/2004 and (EC) No 216/2008 of the European Parliament and of the Council and Council Regulation (EEC) No 3922/91 ¹, and in particular Article 17(1), point (b) and points (d) to (f), thereof,

Whereas:

• (1) Commission Regulation (EU) No 1321/2014 ² lays down the requirements for the continuing airworthiness of aircraft, including the qualifications and licences of the personnel responsible for the release to service of products after maintenance.

• (2) Regulation (EU) No 1321/2014 explicitly specifies the aircraft categories to which the requirements apply, namely aeroplane, helicopter or rotorcraft, sailplane, balloon and airship. There exist certain non-conventional aircraft, primarily emerging from recent industrial developments, referred to as new air mobility aircraft, which do not fit within any of the aforementioned aircraft categories. This creates legal uncertainty regarding the applicability of specific aspects of the current regulatory framework to these aircraft. In addition, existing alleviations covered by Regulation (EU) No 1321/2014 applicable to aircraft of comparable safety risk should also be extended to non-conventional aircraft by analogy.

• (3) Similarly, there are regulatory gaps stemming from the fact that Regulation (EU) No 1321/2014 is sometimes prescriptive on the aircraft power plant, only considering piston and turbine engines as power plants for aeroplanes and helicopters. This is not in line with new industrial developments that consider other power plants, such as electrical engines or hybrid ones. It is also necessary to to cater for a smooth transition for the new rules so that they do not impede the introduction of small electrical aeroplanes, in particular in respect of their aircraft maintenance license.

• (4) In order to address those regulatory gaps, requirements should apply to any current or future aircraft developments and their power plants.

• (5) By considering all tilt-rotors as complex motor-powered aircraft, Regulation (EU) No 1321/2014 was not commensurate for the simplest ones as stringent requirements applicable to any complex motor-powered aircraft was also applicable to the simplest tilt-rotors, for which less stringent requirements should apply by comparison with simple aircraft of other categories, namely aeroplanes and helicopters. Therefore the definition of complex motor-powered aircraft should therefore be amended

• (6) Regulation (EU) No 1321/2014 should therefore be amended accordingly.

• (7) The amendments are based on Opinion No 04/2024 ³ of the European Union Aviation Safety Agency in accordance with Article 75(2), point (b), and Article 76(1) of Regulation (EU) 2018/1139.

• (8) The measures provided for in this Regulation are in accordance with the opinion of the committee established by Article 127 of Regulation (EU) 2018/1139,

HAS ADOPTED THIS REGULATION:

Article 1

Regulation (EU) No 1321/2014 is amended as follows:

• (1) Article 2 is amended as follows:

• (a) the first sentence is replaced by the following:

‘For the purposes of this Regulation, the following definitions shall apply:’;

• (b) point (u) is replaced by the following:

• ‘(u) “complex motor-powered aircraft” means:

• (i) an aeroplane:

• — with a maximum certified take-off mass exceeding 5 700 kg, or

• — certified for a maximum passenger seating configuration of more than 19, or

• — certified for operation with a minimum crew of at least two pilots, or

• — equipped with (a) turbojet engine(s) or more than one turboprop engine; or

• (ii) a helicopter certified:

• — for a maximum take-off mass exceeding 3 175 kg, or

• — for a maximum passenger seating configuration of more than nine, or

• — for operation with a minimum crew of at least two pilots; or

• (iii) a non-conventional aircraft certified:

• — for a maximum take-off mass exceeding 5 700 kg, or

• — for a maximum take-off mass exceeding 3 175 kg if it can maintain zero horizontal speed in flight, or

• — for a maximum passenger seating configuration of more than nine.’;

• (c) the following points (v), (w), (x) and (y) are added:

• ‘(v) “aeroplane” means an engine-driven fixed-wing aircraft heavier than air that is supported in flight by the dynamic reaction of the air against its wings;

• (w) “rotorcraft” means a power-driven, heavier-than-air aircraft that depends principally for its support in flight on the lift generated by up to two rotors;

• (x) “helicopter” means a type of rotorcraft supported in flight chiefly by the reactions of the air on up to two power-driven rotors on substantially vertical axes;

• (y) “non-conventional aircraft” means an aircraft other than an aeroplane, helicopter, sailplane, balloon or airship.’;

• (2) in Article 3, paragraphs 2 and 3 are replaced by the following:

‘2.   The requirements of Annex Vb (Part-ML) shall apply to the following other than complex motor-powered aircraft:

• (a) aeroplanes of 2 730 kg maximum take-off mass or less;

• (b) helicopters of 1 200 kg maximum take-off mass or less, certified for a maximum of up to four occupants;`

• (c) other ELA2 aircraft;

• (d) non-conventional aircraft with a maximum take-off mass of:

• (i) 1 200 kg or less if they can maintain zero horizontal speed in flight; or

• (ii) 2 730 kg or less for other than those in point (i).

Where an aircraft referred to in the first subparagraph is listed in the air operator certificate of an air carrier licensed in accordance with Regulation (EC) No 1008/2008, the requirements of Annex I (Part-M) to this Regulation shall apply.

1. In order to be listed in the air operator certificate of an air carrier licensed in accordance with Regulation (EC) No 1008/2008, an aircraft referred to in paragraph 2, first subparagraph, shall comply with all of the following requirements:

• (a) its aircraft maintenance programme has been approved by the competent authority in accordance with point M.A.302 of Annex I (Part-M);

• (b) due maintenance required by the maintenance programme referred to in point (a) has been performed and certified in accordance with point 145.A.48 and 145.A.50 of Annex II (Part-145);

• (c) an airworthiness review has been performed and a new airworthiness review certificate has been issued in accordance with point M.A.901 of Annex I (Part-M).’

;

• (3) in Article 5, the following paragraph 8 is added:

‘8.   By way of derogation from points 66.A.3(1)(b) and 66.A.45(a) of Annex III (Part-66), until 13 February 2028, an aeroplane with electric power plant and MTOM below 5 700 kg may be endorsed in a licence with subcategory B1.1 or B1.2 when:

• (a) the licence holder has at least 6 months of maintenance experience on aircraft covered by the licence (sub)category within the last 24 months;

• (b) the aeroplane being endorsed is not the first aeroplane endorsed for the relevant (sub)category; and

• (c) the licence holder has followed aircraft type training in accordance with Appendix III to Annex III (Part-66), followed the procedure for the direct approval of aircraft type training in point 66.B.130 of Annex III (Part-66) or followed the procedure described in point 66.A.45(da) of Annex III (Part-66)’;

• (4) Annex I (Part-M) is amended in accordance with Annex I to this Regulation;

• (5) Annex II (Part-145) is amended in accordance with Annex II to this Regulation;

• (6) Annex III (Part-66) is amended in accordance with Annex III to this Regulation;

• (7) Annex IV (Part-147) is amended in accordance with Annex IV to this Regulation;

• (8) Annex Vb (Part-ML) is amended in accordance with Annex V to this Regulation;

• (9) Annex Vd (Part-CAO) is amended in accordance with Annex VI to this Regulation.

Article 2

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.

It shall apply from 13 February 2026.

This Regulation shall be binding in its entirety and directly applicable in all Member States.

Done at Brussels, 23 January 2025.

For the Commission

The President

Ursula VON DER LEYEN

OJ L 362, 17.12.2014, p. 1, ELI: http://data.europa.eu/eli/reg/2014/1321/oj).

ANNEX I

In Appendix VII to Annex I (Part-M) to Regulation (EU) No 1321/2014, the following points 3a and 3b are inserted:

• ‘3a. The performance of maintenance on the power plant that would require disassembly of engine(s), main batteries or fuel cell(s), other than removing them from the aircraft and reinstalling them back (including removal/installation of engine bearings).

3b. The performance of maintenance on high-pressure reservoirs and components belonging to high-pressure lines/systems related to the power plant.’.

ANNEX II

Annex II (Part-145) to Regulation (EU) No 1321/2014 is amended as follows:

• (1) in point (h)(2) of point 145.A.30, point (ii) is replaced by the following:

• ‘(ii) appropriate aircraft-rated certifying staff, qualified in category C or L5, as applicable, and assisted by support staff, as set out in point 145.A.35(a)(1).’;

• (2) in Appendix II, points (l) and (m) are replaced by the following:

• ‘(l) Table

CLASS	RATING	LIMITATION	BASE	LINE
AIRCRAFT	A1 Aeroplanes above 5 700  kg maximum take-off mass (MTOM)	[Shall state the aeroplane manufacturer or the group or series or type and/or the maintenance tasks] Example: Airbus A320 Series	[YES/NO] 4	[YES/NO] 4
AIRCRAFT	A2 Aeroplanes of 5 700 kg MTOM and below	[Shall state the aeroplane manufacturer or the group or series or type and/or the maintenance tasks] Example: DHC-6 Twin Otter Series State whether the issuing of airworthiness review certificates is authorised (only possible for aircraft covered by Annex Vb (Part-ML))	[YES/NO] 4	[YES/NO] 4
AIRCRAFT	A3 Helicopters	[Shall state the helicopter manufacturer or the group or series or type and/or the maintenance task(s)] Example: Robinson R44 State whether the issuing of airworthiness review certificates is authorised (only possible for aircraft covered by Annex Vb (Part-ML))	[YES/NO] 4	[YES/NO] 4
AIRCRAFT	A4 Aircraft other than A1, A2 and A3 aircraft	[Shall state the aircraft category (sailplane, balloon, airship, etc.) when applicable, the manufacturer or group or series or type and/or the maintenance task(s)] State whether the issuing of airworthiness review certificates is authorised (only possible for aircraft covered by Annex Vb (Part-ML))	[YES/NO] 4	[YES/NO] 4
ENGINES	B1 Turbine	[Shall state the engine series or type and/or the maintenance task(s)] Example: PT6A Series	[Shall state the engine series or type and/or the maintenance task(s)] Example: PT6A Series	[Shall state the engine series or type and/or the maintenance task(s)] Example: PT6A Series
ENGINES	B2 Piston	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]
ENGINES	B3 APU	[Shall state the engine manufacturer or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or series or type and/or the maintenance task(s)]
ENGINES	B4 Engines other than B1, B2 and B3	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]	[Shall state the engine manufacturer or group or series or type and/or the maintenance task(s)]
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C1 Air Cond & Press	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C2 Auto Flight	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C3 Comms and Nav	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C4 Doors – Hatches	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C5 Electrical Power & Lights	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C6 Equipment	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C7 Engine – APU	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C8 Flight Controls	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C9 Fuel	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C10 Rotorcraft – Rotors	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C11 Rotorcraft – Trans	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C12 Hydraulic Power	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C13 Indicating – recording system	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C14 Landing Gear	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C15 Oxygen	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C16 Propellers	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C17 Pneumatic & Vacuum	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C18 Protection ice/rain/fire	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C19 Windows	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C20 Structural	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C21 Water ballast	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C22 Propulsion Augmentation	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C23 Other	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control	[Shall state the aircraft type or aircraft manufacturer or component manufacturer or the particular component and/or cross-refer to a capability list in the exposition and/or the maintenance task(s)] Example: PT6A Fuel Control
SPECIALISED SERVICES	D1 Non-Destructive Testing	[Shall state particular NDT method(s)]	[Shall state particular NDT method(s)]	[Shall state particular NDT method(s)]

• (m) A maintenance organisation which employs only one person to both plan and carry out all its maintenance activities can only hold limited terms of approval. The maximum permissible limits are as follows:

CLASS	RATING	LIMITATION
AIRCRAFT	A2	AEROPLANES of 5 700 KG MTOM OR LESS WITH PISTON ENGINE or ELECTRIC POWER PLANT WITH NO FUEL CELL
AIRCRAFT	A3	HELICOPTERS of 3 175 KG MTOM OR LESS WITH SINGLE-PISTON ENGINE or ELECTRIC POWER PLANT WITH NO FUEL CELL
AIRCRAFT	A4	SAILPLANES, BALLOONS, AIRSHIPS AND ANY AIRCRAFT of 3 175 KG MTOM OR LESS WITH SINGLE-PISTON ENGINE or ELECTRIC POWER PLANT WITH NO FUEL CELL
ENGINES	B2	LESS THAN 450 HP
ENGINES	B4	ELECTRIC ENGINE
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs	C1 TO C23	AS PER CAPABILITY LIST
SPECIALISED SERVICES	D1 NDT	NDT METHOD(S) TO BE SPECIFIED

It should be noted that such an organisation may be further limited by the competent authority in the terms of approval depending on the capabilities of the particular organisation.’.

ANNEX III

Annex III (Part-66) to Regulation (EU) No 1321/2014 is amended as follows:

• (1) in point 66.1, point (b) is replaced by the following:

• ‘(b) The Agency shall be responsible for:

• 1. defining the list of aircraft types;

• 1. defining what airframe/engine (or powerplant) combinations are included in each particular aircraft type rating;

• 1. in respect of an aircraft that is not covered by any licence (sub)category in point 66.A.3, point (a), defining the applicable licence (sub)category(ies) that entitle(s) the holder of the licence to exercise the privileges of point 66.A.20 on that aircraft.’;

• (2) point 66.A.3 is replaced by the following:

• ‘66.A.3 Licence categories and subcategories

• (a) Aircraft maintenance licences include the following categories and, where applicable, subcategories and system ratings:

• (1) Category A:

• (i) Category A, is divided into the following subcategories:

• — A1 Aeroplanes Turbine,

• — A2 Aeroplanes Piston,

• — A3 Helicopters Turbine,

• — A4 Helicopters Piston.

• (ii) Subcategories A1 and A3 may also be used for aircraft not covered by any A subcategory.

• (2) Category B1, is divided into the following subcategories:

• — B1.1 Aeroplanes Turbine,

• — B1.2 Aeroplanes Piston,

• — B1.E Aeroplanes with electric power plant and MTOM below 5 700 kg,

• — B1.3 Helicopters Turbine,

• — B1.4 Helicopters Piston.

• (3) Category B2

The B2 licence is applicable to all aircraft.

• (4) Category B2L

The B2L licence is applicable to all aircraft other than those in Group 1 as set out in Point 66.A.5(1) and is divided into the following “system ratings”:

• — communication/navigation (com/nav),

• — instruments,

• — autoflight,

• — surveillance,

• — airframe systems.

A B2L licence shall contain, as a minimum, one system rating.

• (5) Category B3

The B3 licence is applicable to piston-engine non-pressurised aeroplanes of 2 000 kg MTOM and below.

• (6) Category L, divided into the following subcategories:

• — L1C: composite sailplanes,

• — L1: sailplanes,

• — L2C: composite powered sailplanes and composite ELA1 aeroplanes,

• — L2: powered sailplanes and ELA1 aeroplanes,

• — L3H: hot-air balloons,

• — L3G: gas balloons,

• — L4H: hot-air airships,

• — L4G: ELA2 gas airships,

• — L5: gas airships other than ELA2.

• (7) Category C

The C licence is applicable to aeroplanes and helicopters.

• (8) When an aircraft can be considered as included in more than one of the above (sub)categories, the Agency, based on the aircraft characteristics, shall establish the (sub)category(ies) of the licence applicable for the aircraft in its type certificate data sheet.

• (b) Additionally, for aircraft and combinations of aircraft and power plant not referred to in point (a), the applicable licence (sub)category(ies) shall be the one(s) identified by the Agency.

The Agency shall identify such licence (sub)category(ies) in the operational suitability data established in accordance with Regulation (EU) No 748/2012, taking into consideration a report from the applicant for, or holder of, the aircraft type certificate which assesses the architecture and systems of the aircraft (and power plant) against the syllabus of the basic knowledge modules and knowledge levels, as relevant to the designated licence (sub)category, and the privileges established in 66.A.20.’;

• (3) in point 66.A.5, points (1) and (2) are replaced by the following:

• ‘(1) Group 1 is composed of:

• (i) aeroplanes certified for a MTOM exceeding 5 700 kg; aeroplanes certified for a maximum passenger seating configuration of more than 19; aeroplanes certified for operation with a minimum crew of at least two pilots; aeroplanes equipped with (one) turbojet engine(s) or more than one turboprop engine; aeroplanes with maximum certified operating altitude exceeding FL290 powered with a power plant other than piston; aeroplanes with a power plant not being piston, turbine or electric;

• (ii) helicopters certified for a MTOM exceeding 3 175 kg; helicopters certified for a maximum passenger seating configuration of more than nine; helicopters certified for operation with a minimum crew of at least two pilots; helicopters equipped with multiple engines; helicopters equipped with a power plant not being piston, turbine or electric;

• (iii) gas airships other than ELA2;

• (iv) non-conventional aircraft; and

• (v) aircraft equipped with fly-by-wire systems.

Notwithstanding the first paragraph, the Agency may decide to classify into a subgroup of Group 2, Group 3 or Group 4, as appropriate, an aircraft which meets the conditions set out in the first paragraph, if it considers that the lower complexity of the particular aircraft justifies so.

• (2) Group 2: aircraft other than those in Group 1 belonging to the following subgroups:

• (i) subgroup 2a: single turboprop engine aeroplanes;

• (ii) subgroup 2b: single turbine engine helicopters;

• (iii) subgroup 2c: single piston engine helicopters;

• (iv) subgroup 2E: aeroplanes with electric power plant.’;

• (4) in point 66.A.20(a), the following point 8 is added:

• ‘8. In addition, the privileges in point 1 to 7 are also extended to aircraft referred to in point (b) of point 66.A.3 for the corresponding licence (sub)category(ies) identified as applicable in the operational suitability data established in accordance with Regulation (EU) No 748/2012 of these aircraft.’;

• (5) point 66.A.30 is amended as follows:

• (a) point (a) is amended as follows:

• (i) in point 1, the first sentence is replaced by the following:

• ‘1. for category A, subcategories B1.2, B1.E and B1.4 and category B3:’;

• (ii) point 3 is amended as follows:

• — point (ii) is replaced by the following:

• ‘(ii) 5 years of experience in exercising category B1.2, B1.E, B1.4 or L5 privileges as support staff, or both support staff and certifying staff, in accordance with point 145.A.35 of Annex II (Part-145), at a maintenance organisation working on CMPA, including 12 months of experience as base maintenance support staff; or’,

• — in point (iv), point (a) is replaced by the following:

• ‘(a) 2 years of experience in exercising category B1.1, B1.2, B1.E, B1.3, B1.4, B2 or L5 privileges as support staff, or both support staff and certifying staff, in accordance with point 145.A.35 of Annex II (Part-145), at a maintenance organisation working on CMPA, including 6 months of experience as base maintenance support staff; or’;

• (b) the following point (da) is inserted:

• ‘(da) Notwithstanding points (a), (b) and (d), practical maintenance experience and recent maintenance experience gained in aircraft referred to in point (b) of point 66.A.3 shall account for a maximum of 50 % of the practical maintenance experience and recent maintenance experience required in points (a), (b) or (d) in respect of the licence (sub)category(ies) on which these aircraft can be endorsed.’;

• (6) point 66.A.45 is amended as follows:

• (a) point (c) is replaced by the following:

• ‘(c) For other than category C licences, in addition to the requirements of point (b), the endorsement of the first aircraft type rating within a given category/subcategory requires satisfactory completion of the corresponding on-the-job training. This on-the-job training shall comply with Appendix III to Annex III (Part-66), except in the case of gas airships, where it shall be directly approved by the competent authority.

The on-the-job training on an aircraft referred to in point (b) of point 66.A.3 may only be considered for the purpose of endorsement of the licence as the first aircraft type rating within a given (sub)category, as described in the previous paragraph, when so established in the aircraft operational suitability data.

Otherwise, an aircraft referred to in point (b) of point 66.A.3 may be endorsed as a first aircraft type rating within a given (sub)category after satisfactory completion of the corresponding on-the-job training, but in such case, additional on-the-job training will be required for the endorsement on the licence within that (sub)category of the first aircraft type rating belonging to the categories referred in point (a) of point 66.A.3.’;

• (b) the following point (da) is inserted:

• ‘(da) By derogation from points (b) and (d) and only during the first 30 months after a new aircraft type has received its type certificate, an AML may be endorsed with the corresponding aircraft type rating for a given (sub)category based on complete training delivered by the manufacturer, including the on-site practical training element, under the condition that the aircraft type rating is not the first aircraft endorsed for that (sub)category.

Such training shall be carried out at a level and duration that meet the same objectives as those of points 5 (a), (b) and (c) of Appendix III, and shall cover relevant maintenance data at the required knowledge level and scope for the AML (sub)category.

A responsible person of the aircraft manufacturer shall issue a final report declaring fulfilment of the requirements of this point 66.A.45(da).’;

• (7) in Appendix I, point 2 is amended as follows:

• (a) the first table is replaced by the following:

‘Subject module	B1.1 A1	B1.2 A2	B1.E	B1.3 A3	B1.4 A4	B3	B2	B2L	C
‘Subject module	Turbine engine	Piston engine	Aeroplanes with electric power plant and MTOM below 5 700 kg	Turbine engine	Piston engine	Piston-engine non-pressurised aeroplanes MTOM ≤ 2 t	B2	B2L	C
1. MATHEMATICS	X	X	X	X	X	X	X	X	X
2. PHYSICS	X	X	X	X	X	X	X	X	X
3. ELECTRICAL FUNDAMENTALS	X	X	X	X	X	X	X	X	X
4. ELECTRONICS FUNDAMENTALS	X (n/a for A1)	X (n/a for A2)	X	X (n/a for A3)	X (n/a for A4)	X	X	X	X
5. DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMS	X	X	X	X	X	X	X	X	X
6. MATERIALS AND HARDWARE	X	X	X	X	X	X	X	X	X
7. MAINTENANCE PRACTICES	X	X	X	X	X	X	X	X	X
8. BASIC AERODYNAMICS	X	X	X	X	X	X	X	X	X
9. HUMAN FACTORS	X	X	X	X	X	X	X	X	X
10. AVIATION LEGISLATION	X	X	X	X	X	X	X	X	X
11. AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS	X	X	X	n/a	n/a	X	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
12. HELICOPTER AERODYNAMICS, STRUCTURES AND SYSTEMS	n/a	n/a	n/a	X	X	n/a	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
13. AIRCRAFT AERODYNAMICS, STRUCTURES AND SYSTEMS	n/a	n/a	n/a	n/a	n/a	n/a	X	X	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
14. PROPULSION	n/a	n/a	n/a	n/a	n/a	n/a	X	X	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
15. GAS TURBINE ENGINE	X	n/a	n/a	X	n/a	n/a	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
16. PISTON ENGINE	n/a	X	n/a	n/a	X	X	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
17. PROPELLER	X	X	X	n/a	n/a	X	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’
18. ELECTRIC POWER PLANT	n/a	n/a	X	n/a	n/a	n/a	n/a	n/a	11, 15 & 17 as B1.1 or 11, 16 & 17 as B1.2 or 11, 17 & 18 as B1.E or 12 & 15 as B1.3 or 12 & 16 as B1.4 or 13 & 14 as B2’

• (b) in the table corresponding to Module 7, row 7.4 is replaced by the following:

‘7.4 Potential safety hazards when working with electrical systems and protective equipment	3	3	3’

• (c) the table corresponding to Module 11 is amended as follows:

• (i) the title row is replaced by the following:

‘MODULE 11. AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS	LEVEL	LEVEL	LEVEL	LEVEL	LEVEL
‘MODULE 11. AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS	A1	A2	B1.1	B1.2 / B1.E	B3’

• (ii) the rows for submodule 11.8 are replaced by the following:

‘11.8 Fire protection (ATA 26)	‘11.8 Fire protection (ATA 26)
	(a) Fire and smoke detection system and fire-extinguishing systems;	1	1	3	3	—
	(b) Portable fire extinguisher.	1	1	1	1	1’

• (iii) the rows for submodule 11.10 are replaced by the following:

‘11.10 Fuel systems (ATA 28, ATA 47)	‘11.10 Fuel systems (ATA 28, ATA 47)
	(a) Systems layout;	1	1	3	3/-	1
	(b) Fuel handling;	1	1	3	3/-	1
	(c) Indication and warnings;	1	1	3	3/-	1
	(d) Special systems;	1	—	3	—	—
	(e) Balancing.	1	—	3	—	—’

• (d) in the table corresponding to Module 14, the rows for submodule 14.1 are replaced by the following:

‘14.1 Engines	‘14.1 Engines
	(a) Turbine engines;	1
	(b) Auxiliary power units (APUs);	1
	(c) Piston engines;	1
	(d) Electric and hybrid power plants and auxiliar systems;	2
	(e) Engine control.	2’

• (e) in the table corresponding to Module 17, the title row is replaced by the following:

‘MODULE 17. PROPELLER	LEVEL	LEVEL
‘MODULE 17. PROPELLER	A1 A2	B1.1 B1.2 B1.E B3’

• (f) the following table corresponding to Module 18 is added:

‘MODULE 18. ELECTRIC POWER PLANT

MODULE 18. ELECTRIC POWER PLANT	LEVEL
MODULE 18. ELECTRIC POWER PLANT	B1.E
18.1 Fundamentals	3
18.2 Engine performance	3
18.3 Engine construction	3
18.4 Electric energy system	3
18.4.1 Batteries and accessories	3
18.4.2 Fuel cells and accessories	3
18.4.3 Power distribution systems	3
18.4.4 Electronic engine control	3
18.5 Engine indication systems	3
18.6 Power plant installation	3
18.7 Engine monitoring and ground operation	3
18.8 Engine storage and preservation	3’

• (8) Appendix II is amended as follows:

• (a) point 2.11 is replaced as follows:

• ‘2.11. MODULE 11 AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS

Category A1: 108 multiple-choice, no essay questions.

Time allowed: 135 minutes.

Category A2: 72 multiple-choice, no essay questions.

Time allowed: 90 minutes.

Category B1.1: 140 multiple-choice, no essay questions.

Time allowed: 175 minutes.

Category B1.2 and B1.E: 100 multiple-choice, no essay questions.

Time allowed: 125 minutes.

Category B3: 60 multiple-choice, no essay questions.

Time allowed: 75 minutes.’;

• (b) the following point 2.18 is added:

• ‘2.18. MODULE 18 – ELECTRIC POWER PLANT

Category B1.E: 76 multiple-choice, no essay questions.

Time allowed: 95 minutes.’;

• (9) Appendix III is amended as follows:

• (a) point 3.1 is amended as follows:

• (i) point (c) is replaced by the following:

• ‘(c) Duration:

The theoretical training minimum tuition hours are contained in the following table:

Category	Hours
Aeroplanes5 with a maximum take-off mass above 30 000 kg:	Aeroplanes5 with a maximum take-off mass above 30 000 kg:
B1.1	150
B1.2	120
B2	100
C	30
Aeroplanes5 with a maximum take-off mass equal to or less than 30 000 kg and above 5 700 kg:	Aeroplanes5 with a maximum take-off mass equal to or less than 30 000 kg and above 5 700 kg:
B1.1	120
B1.2	100
B2	100
C	25
Aeroplanes5 with a maximum take-off mass of 5 700 kg and below6	Aeroplanes5 with a maximum take-off mass of 5 700 kg and below6
B1.1	80
B1.2	60
B1.E	60
B2	60
C	15
Helicopters5 7	Helicopters5 7
B1.3	120
B1.4	100
B2	100
C	25
Aeroplanes and helicopters not mentioned above and non-conventional aircraft	Aeroplanes and helicopters not mentioned above and non-conventional aircraft
B1, B2 and C	OSD

In the table above, “OSD” means as defined in the operational suitability data established in accordance with Regulation (EU) No 748/2012, taking into consideration a report from the applicant for, or holder of, the aircraft type certificate that contains an assessment of the required theoretical elements of knowledge of the aircraft, considering the applicable licence (sub)category on which the aircraft type would be permitted for endorsement in accordance with point 66.A.3.

For the purpose of the table above, a tuition hour means 60 minutes of teaching and excludes any breaks, examination, revision, preparation and aircraft visit.

These hours apply only to theoretical courses for complete aircraft/ engine combinations according to the type rating as defined by the Agency.’;

• (ii) in point (e), the table is replaced by the following:

‘Level Chapters	Aeroplanes turbine	Aeroplanes turbine	Aeroplanes piston	Aeroplanes piston	Aeroplanes with electric power plant	Aeroplanes with electric power plant	Helicopter turbine	Helicopter turbine	Helicopter piston	Helicopter piston	Avionics
Licence category	B1.1	C	B1.2	C	B1.E	C	B1.3	C	B1.4	C	B2
Introduction module:
05 Time limits/maintenance checks	1	1	1	1	1	1	1	1	1	1	1
06 Dimensions/areas (MTOM, etc.)	1	1	1	1	1	1	1	1	1	1	1
07 Lifting and Shoring	1	1	1	1	1	1	1	1	1	1	1
08 Levelling and weighing	1	1	1	1	1	1	1	1	1	1	1
09 Towing and taxiing	1	1	1	1	1	1	1	1	1	1	1
10 Parking/mooring, storing and return to Service	1	1	1	1	1	1	1	1	1	1	1
11 Placards and markings	1	1	1	1	1	1	1	1	1	1	1
12 Servicing	1	1	1	1	1	1	1	1	1	1	1
20 Standard practices – only type particular	1	1	1	1	1	1	1	1	1	1	1
Helicopter
18 Vibration and noise analysis (blade tracking)	—	—	—	—	—	—	3	1	3	1	—
60 Standard practices rotor	—	—	—	—	—	—	3	1	3	1	—
62 Rotors	—	—	—	—	—	—	3	1	3	1	1
62A Rotors – monitoring and indicating	—	—	—	—	—	—	3	1	3	1	3
63 Rotor drives	—	—	—	—	—	—	3	1	3	1	1
63A Rotor drives – monitoring and indicating	—	—	—	—	—	—	3	1	3	1	3
64 Tail rotor	—	—	—	—	—	—	3	1	3	1	1
64A Tail rotor – monitoring and indicating	—	—	—	—	—	—	3	1	3	1	3
65 Tail rotor drive	—	—	—	—	—	—	3	1	3	1	1
65A Tail rotor drive – monitoring and indicating	—	—	—	—	—	—	3	1	3	1	3
66 Folding blades/pylon	—	—	—	—	—	—	3	1	3	1	—
67 Rotors flight control	—	—	—	—	—	—	3	1	3	1	—
53 Airframe structure (helicopter)	—	—	—	—	—	—	3	1	3	1	—
25 Emergency flotation equipment	—	—	—	—	—	—	3	1	3	1	1
Airframe structures
51 Standard practices and structures (damage classification, assessment and repair)	3	1	3	1	3	1	—	—	—	—	1
53 Fuselage	3	1	3	1	3	1	—	—	—	—	1
54 Nacelles/pylons	3	1	3	1	3	1	—	—	—	—	1
55 Stabilisers	3	1	3	1	3	1	—	—	—	—	1
56 Windows	3	1	3	1	3	1	—	—	—	—	1
57 Wings	3	1	3	1	3	1	—	—	—	—	1
52 Doors	3	1	3	1	3	1	—	—	—	—	1
Zonal and station identification systems	1	1	1	1	1	1	1	1	1	1	1
Airframe systems
21 Air conditioning	3	1	3	1	3	1	3	1	3	1	3
21A Air supply	3	1	3	1	3	1	3	1	3	1	2
21B Pressurisation	3	1	3	1	3	1	3	1	3	1	3
21C Safety and warning devices	3	1	3	1	3	1	3	1	3	1	3
22 Autoflight	2	1	2	1	2	1	2	1	2	1	3
23 Communications	2	1	2	1	2	1	2	1	2	1	3
24 Electrical power	3	1	3	1	3	1	3	1	3	1	3
25 Equipment and furnishings	3	1	3	1	3	1	3	1	3	1	1
25A Electronic equipment including emergency equipment	1	1	1	1	1	1	1	1	1	1	3
26 Fire protection	3	1	3	1	3	1	3	1	3	1	3
27 Flight controls	3	1	3	1	3	1	3	1	3	1	2
27A Sys. operation: electrical/fly-by-wire	3	1	—	—	3	1	3	1	—	—	3
28 Fuel systems	3	1	3	1	—	—	3	1	3	1	2
28A Fuel systems – monitoring and indicating	3	1	3	1	—	—	3	1	3	1	3
29 Hydraulic power	3	1	3	1	3	1	3	1	3	1	2
29A Hydraulic power – monitoring and indicating	3	1	3	1	3	1	3	1	3	1	3
30 Ice and rain protection	3	1	3	1	3	1	3	1	3	1	3
31 Indicating/recording systems	3	1	3	1	3	1	3	1	3	1	3
31A Instrument systems	3	1	3	1	3	1	3	1	3	1	3
32 Landing gear	3	1	3	1	3	1	3	1	3	1	2
32A Landing gear – monitoring and indicating	3	1	3	1	3	1	3	1	3	1	3
33 Lights	3	1	3	1	3	1	3	1	3	1	3
34 Navigation	2	1	2	1	2	1	2	1	2	1	3
35 Oxygen	3	1	3	1	3	1	—	—	—	—	2
36 Pneumatic	3	1	3	1	3	1	3	1	3	1	2
36A Pneumatic – monitoring and indicating	3	1	3	1	3	1	3	1	3	1	3
37 Vacuum	3	1	3	1	3	1	3	1	3	1	2
38 Water/waste	3	1	3	1	3	1	—	—	—	—	2
41 Water ballast	3	1	3	1	3	1	—	—	—	—	1
42 Integrated modular avionics	2	1	2	1	2	1	2	1	2	1	3
44 Cabin systems	2	1	2	1	2	1	2	1	2	1	3
45 On-board maintenance system (or covered in 31)	3	1	3	1	3	1	3	1	—	—	3
46 Information systems	2	1	2	1	2	1	2	1	2	1	3
47 Nitrogen generation system	3	1	3	1	—	—	—	—	—	—	2
50 Cargo and accessory compartments	3	1	3	1	3	1	3	1	3	1	1
55/57 Flight control surfaces (All)	3	1	3	1	3	1	—	—	—	—	1
Turbine engine
70 Standard practices – engines	3	1	—	—	—	—	3	1	—	—	1
70A Constructional arrangement and operation (installation inlet, compressors, combustion section, turbine section, bearings and seals, lubrication systems)	3	1	—	—	—	—	3	1	—	—	1
70B Engine performance	3	1	—	—	—	—	3	1	—	—	1
71 Power plant	3	1	—	—	—	—	3	1	—	—	1
72 Engine turbine/turbo prop/ducted fan/unducted fan	3	1	—	—	—	—	3	1	—	—	1
73 Engine fuel and control	3	1	—	—	—	—	3	1	—	—	1
75 Air	3	1	—	—	—	—	3	1	—	—	1
76 Engine controls	3	1	—	—	—	—	3	1	—	—	1
78 Exhaust	3	1	—	—	—	—	3	1	—	—	1
79 Oil	3	1	—	—	—	—	3	1	—	—	1
80 Starting	3	1	—	—	—	—	3	1	—	—	1
82 Water injections	3	1	—	—	—	—	3	1	—	—	1
83 Accessory gear boxes	3	1	—	—	—	—	3	1	—	—	1
84 Propulsion augmentation	3	1	—	—	—	—	3	1	—	—	1
73A FADEC	3	1	—	—	—	—	3	1	—	—	3
74 Ignition	3	1	—	—	—	—	3	1	—	—	3
77 Engine indicating systems	3	1	—	—	—	—	3	1	—	—	3
49 Auxiliary power units (APUs)	3	1	—	—	—	—	—	—	—	—	2
Piston engine
70 Standard practices – engines	—	—	3	1	—	—	—	—	3	1	1
70A Constructional arrangement and operation (installation, carburettors, fuel injection systems, induction, exhaust and cooling systems, supercharging/turbocharging, lubrication systems)	—	—	3	1	—	—	—	—	3	1	1
70B Engine performance	—	—	3	1	—	—	—	—	3	1	1
71 Power plant	—	—	3	1	—	—	—	—	3	1	1
73 Engine fuel and control	—	—	3	1	—	—	—	—	3	1	1
76 Engine control	—	—	3	1	—	—	—	—	3	1	1
79 Oil	—	—	3	1	—	—	—	—	3	1	1
80 Starting	—	—	3	1	—	—	—	—	3	1	1
81 Turbines	—	—	3	1	—	—	—	—	3	1	1
82 Water injections	—	—	3	1	—	—	—	—	3	1	1
83 Accessory gear boxes	—	—	3	1	—	—	—	—	3	1	1
84 Propulsion augmentation	—	—	3	1	—	—	—	—	3	1	1
73A FADEC	—	—	3	1	—	—	—	—	3	1	3
74 Ignition	—	—	3	1	—	—	—	—	3	1	3
77 Engine indication systems	—	—	3	1	—	—	—	—	3	1	3
Electric power plant
Electric engines	—	—	—	—	3	1	—	—	—	—	3
Fuel cell and related systems	—	—	—	—	3	1	—	—	—	—	3
Batteries	—	—	—	—	3	1	—	—	—	—	3
Auxiliary systems to the electric power plant	—	—	—	—	3	1	—	—	—	—	3
Propellers
60A Standard practices – propeller	3	1	3	1	3	1	—	—	—	—	1
61 Propellers/propulsion	3	1	3	1	3	1	—	—	—	—	1
61A Propeller construction	3	1	3	1	3	1	—	—	—	—	—
61B Propeller pitch control	3	1	3	1	3	1	—	—	—	—	—
61C Propeller synchronising	3	1	3	1	3	1	—	—	—	—	1
61D Propeller electronic control	2	1	2	1	2	1	—	—	—	—	3
61E Propeller ice protection	3	1	3	1	3	1	—	—	—	—	—
61F Propeller maintenance	3	1	3	1	3	1	—	—	—	—	1
Special chapters for aeroplanes with a power plant other than piston/turbine/electric and other than piston/turbine helicopters	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.
Special chapters for non-conventional aircraft	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’	Definition of special chapters of the theoretical element of the aircraft type training is available in the OSD of the aircraft, established in accordance with Regulation (EU) No 748/2012. For these aircraft, EASA can also consider as “not required” some of the chapters contained in the above table.’

• (b) in point 3.2.(b), the table is amended as follows:

• (i) the level ‘Electric power plant’ with its related chapters is inserted between Chapter ‘84 Propulsion Augmentation’ of level ‘Piston Engines:’ and level ‘Propellers:’, as follows:

‘Chapters	B1/B2	B1	B1	B1	B1	B1	B2	B2	B2	B2	B2
‘Chapters	LOC	FOT	SGH	R/I	MEL	TS	FOT	SGH	R/I	MEL	TS
[…]
Electric power plant
Electric engines	X/X	X	X	X	X	X	X	—	—	X	—
Fuel cell and related systems	X/X	X	X	X	X	X	X	—	—	X	—
Batteries	X/X	X	X	X	X	X	X	—	—	X	—
Auxiliary systems to the electric power plant	X/X	X	X	X	X	X	X	—	X	X	X’
[…]

• (ii) the following chapters are added: