Commission Implementing Regulation (EU) 2022/938 of 26 July 2022 amending Implementing Regulation (EU) 2017/373 as regards the requirements for aeronautical data catalogue and aeronautical information publication

Subject	Property	Sub-property	Type	Description	Note	Accuracy	Integrity	Orig. Type	Pub. Res.	Chart Res.
Radio navigation aid
	Type		Text	Type of the radio navigation aid
	Identification		Text	The code assigned to uniquely identify the navaid
	Name		Text	The textual name assigned to the navaid
	ILS facility classification		Code list	A classification based on the functional and performance capabilities of an ILS	ILS
	GBAS facility classification		Code list	A classification based on the functional and performance capabilities of the GBAS ground subsystem	GBAS
	GBAS approach facility designation		Code list	A classification based on the GBAS service volume and performance requirements for each supported approach	GBAS
	Area of operation		Text	Indication whether navigation aid serves en-route (E), aerodrome (A) or dual (AE) purposes
	Aerodrome/heliport served		Text	The ICAO location indicator or name of the aerodromes/heliports served
	RWY served		Text	Designator of the RWY served
	Operating entity		Text	Name of the operating entity of the facility
	Type of supported operations		Code list	Indication of the type of supported operation for ILS/MLS, basic GNSS, satellite-based augmentation system (SBAS), and ground-based augmentation system (GBAS)
	Collocation		Text	Information that a navaid is collocated with another navaid
	Hours of operation		Schedule	The hours of operation of the radio navigation aid
	Magnetic variation			The angular difference between the true north and the magnetic north
		Angle	Angle	The magnetic variation at the radio navigation aid	ILS/NDB	See Note 1 below	See Note 1 below	See Note 1 below	See Note 1 below	See Note 1 below
		Date	Date	The date on which the magnetic variation had the corresponding value
	Station declination		Angle	An alignment variation of the navaid between the zero-degree radial and the true north, determined at the time the station is calibrated	VOR/ILS/MLS
	Zero bearing direction		Text	Direction of the “zero bearing” provided by the station, e.g. magnetic north, true north, etc.	VOR
	Frequency		Value	Frequency or tuning frequency of the radio navigation aid
	Channel		Text	The channel number of the radio navigation aid	DME or GBAS
	Position		Point	Geographical location of the radio navigation aid		See Note 2 below	See Note 2 below	See Note 2 below	See Note 2 below	See Note 2 below
	Elevation		Elevation	The elevation of the transmitting antenna of the DME or the elevation of the GBAS reference point	DME or GBAS	See Note 3 below	See Note 3 below	See Note 3 below	See Note 3 below	See Note 3 below
	Ellipsoidal height		Height	The ellipsoidal height of the GBAS reference point	GBAS
	Localiser alignment
		Bearing	Bearing	The localiser course	ILS localiser	1/100 degree	Essential	Surveyed	1/100 degree (if true)	1 degree
		Type	Text	The type of localiser alignment, true or magnetic	ILS localiser
	Zero azimuthal alignment		Bearing	MLS zero azimuthal alignment	MLS	1/100 degree	Essential	Surveyed	1/100 degree (if true)	1 degree
	Angle		Angle	The angle of the glide path of an ILS or the normal glide path angle of an MLS installation	ILS GP/MLS
	RDH		Value	The value of the ILS reference datum height (ILS RDH)	ILS GP	0,5 m	Critical	Calculated
	Localiser antenna to RWY end distance		Distance	ILS localiser —RWY/FATO end distance	ILS localiser	3 m	Routine	Calculated	1 m or 1 ft	As plotted
	ILS glideslope antenna to TRSH distance		Distance	ILS glideslope antenna — threshold distance along the centre line	ILS GP	3 m	Routine	Calculated	1 m or 1 ft	As plotted
	ILS marker to TRSH distance		Distance	ILS marker — threshold distance	ILS	3 m	Essential	Calculated	1 m or 1 ft	2/10 km (1/10 nm)
	ILS DME antenna to TRSH distance		Distance	ILS DME antenna — threshold distance along the centre line	ILS	3 m	Essential	Calculated	1 m or 1 ft	As plotted
	MLS azimuthal antenna to RWY end distance		Distance	MLS azimuthal antenna — RWY/FATO end distance	MLS	3 m	Routine	Calculated	1 m or 1 ft	As plotted
	MLS elevation antenna to TRHS distance		Distance	MLS elevation antenna — threshold distance along the centre line	MLS	3 m	Routine	Calculated	1 m or 1 ft	As plotted
	MLS DME antenna to TRHS distance		Distance	MLS DME/P antenna — threshold distance along the centre line	MLS	3 m	Essential	Calculated	1 m or 1 ft	As plotted
	Signal polarisation		Code list	GBAS signal polarisation (GBAS/H or GBAS/E)	GBAS
	Designated operational coverage (DOC)		Text	DOC or standard service volume (SSV) as range or service volume radius from the navaid/GBAS reference point, height and sectors, if required
			Note 1		ILS Localiser	1 degree	Essential	Surveyed	1 degree
					NDB	1 degree	Routine	Surveyed	1 degree
								Surveyed
			Note 2		Aerodrome navaid	3 m	Essential	Surveyed	1/10 sec	As plotted
					GBAS reference point	1 m		Surveyed
					En-route	100 m	Essential	Surveyed	1 sec
								Surveyed
			Note 3		DME	30 m (100 ft)	Essential	Surveyed	30 m (100 ft)	30 m (100 ft)
					DME/P	3 m	Essential	Surveyed	3 m (10 ft)
					GBAS reference point	0,25 m	Essential		1 m or 1 ft

Subject	Property	Sub-property	Type	Description	Note	Accuracy	Integrity	Orig. Type	Pub. Res.	Chart Res.
GNSS				A worldwide position and time determination system that includes one or more satellite constellations, aircraft receivers and system integrity monitoring, augmented as necessary to support the required navigation performance for the intended operation
	Name		Text	The name of the GNSS element (GPS, GBAS, GLONASS, EGNOS, MSAS, WAAS, etc.)
	Frequency		Value	Frequency of the GNSS	As appropriate
	Service area		Polygon	Geographical location of the GNSS service area
	Coverage area		Polygon	Geographical location of the GNSS coverage area
	Operating authority		Text	Name of the operating authority of the facility
Subject	Property	Sub-property	Type	Description	Note	Accuracy	Integrity	Orig. Type	Pub. Res.	Chart Res.
Aeronautical ground lights				Ground lights and other light beacons designating geographical positions that are selected by the Member State as being significant
	Type		Text	Type of beacon
	Designator		Text	The code assigned to uniquely identify the beacon
	Name		Text	The name of the city or town or other identification of the beacon
	Intensity		Value	Intensity of the light of the beacon					1000 cd
	Characteristics		Text	Information about the characteristics of the beacon
	Hours of operations		Schedule	The hours of operation of the beacon
	Position		Point	Geographical location of the beacon
Marine lights
	Position		Point	Geographical location of the beacon
	Visibility range		Distance	The visibility range of the beacon
	Characteristics		Text	Information about the characteristics of the beacon

Subject	Property	Sub-property	Type	Description	Note	Accuracy	Integrity	Orig. Type	Pub. Res.	Chart Res.
Special navigation system				Stations associated with special navigation systems (DECCA, LORAN, etc.)
	Type		Text	Type of service available (master signal, slave signal, colour)
	Designator		Text	The code assigned to uniquely identify the special navigation system
	Name		Text	The textual name assigned to the special navigation system
	Frequency		Value	Frequency (channel number, basic pulse rate, recurrence rate, as applicable) of the special navigation system
	Hours of operations		Schedule	The hours of operation of the special navigation system
	Position		Point	Geographical location of the special navigation system		100 m	Essential	Surveyed/calculated
	Operating entity		Text	Name of the operating entity of the facility
	Facility coverage		Text	Description of the special navigation system facility coverage’.

ANNEX III

Annex VI to Implementing Regulation (EU) 2017/373 is amended as follows:

• (1) Appendix 1 is amended as follows:

• (a) in Part 2 – EN-ROUTE (ENR), section ENR 3. ATS ROUTES is replaced by the following:

‘ ENR 3. ATS ROUTES

ENR 3.1 Conventional navigation routes

Detailed description of conventional navigation routes, including:

• 1. route designator, designation of the required communication performance (RCP) specification(s), required surveillance performance (RSP) specification(s) applicable to a specified segment(s), names, coded designators or name-codes and the geographical coordinates in degrees, minutes and seconds of all significant points defining the route including “compulsory” or “on-request” reporting points;

• 1. tracks or VOR radials to the nearest degree, geodesic distance to the nearest tenth of a kilometre or tenth of a nautical mile between each successive designated significant point and, in the case of VOR radials, changeover points;

• 1. upper and lower limits or minimum en-route altitudes, to the nearest higher 50 m or 100 ft, and airspace classification;

• 1. lateral limits and minimum obstacle clearance altitudes;

• 1. direction of cruising levels;

• 1. remarks, including an indication of the controlling unit, its operating channel and, if applicable, its logon address, SATVOICE number, and any navigation RCP and RSP specification(s) limitations.

ENR 3.2 Area navigation routes

Detailed description of PBN (RNAV and RNP) routes, including:

• 1. route designator, designation of the required communication performance (RCP) specification(s), navigation specification(s) and/or required surveillance performance (RSP) specification(s) applicable to a specified segment(s), names, coded designators or name-codes and the geographical coordinates in degrees, minutes and seconds of all significant points defining the route including “compulsory” or “on-request” reporting points;

• 1. in respect of waypoints defining an area navigation route, additionally as applicable:

• (a) station identification of the reference VOR/DME;

• (b) bearing to the nearest degree and the distance to the nearest tenth of a kilometre or tenth of a nautical mile from the reference VOR/DME if the waypoint is not collocated with it;

• (c) elevation of the transmitting antenna of DME to the nearest 30 m (100 ft);

• 1. magnetic reference bearing to the nearest degree, geodesic distance to the nearest tenth of a kilometre or tenth of a nautical mile between defined end points and distance between each successive designated significant point;

• 1. upper and lower limits and airspace classification;

• 1. direction of cruising levels;

• 1. the navigation accuracy requirement for each PBN (RNAV or RNP) route segment;

• 1. remarks, including an indication of the controlling unit, its operating channel and, if applicable, its logon address, SATVOICE number and any navigation, RCP and RSP specification(s) limitations.

ENR 3.3 Other routes

The requirement is to describe other specifically designated routes which are compulsory within specified area(s).

Description of free route airspace (FRA), as specified airspace within which users may freely plan direct routes between a defined entry point and a defined exit point, including information on the direct routing, the restrictions on the use of waypoints for direct routings and the indication in the flight plan (item 15). The prerequisites for the issuance of ATC clearances shall be described.

ENR 3.4 En-route holding

The requirement is for a detailed description of en-route holding procedures, containing:

• 1. holding identification (if any) and holding fix (navigation aid) or waypoint with geographical coordinates in degrees, minutes and seconds;

• 1. inbound track;

• 1. direction of the procedure turn;

• 1. maximum indicated airspeed;

• 1. minimum and maximum holding level;

• 1. time/distance outbound;

• 1. indication of the controlling unit and its operating frequency.’;

• (b) Part 3 – AERODROMES (AD) is amended as follows:

• (i) section AD 1. AERODROMES/HELIPORTS — INTRODUCTION is replaced by the following:

‘ AD 1. AERODROMES/HELIPORTS — INTRODUCTION

AD 1.1 Aerodrome/heliport availability and conditions of use

AD 1.1.1 General conditions

Brief description of the competent authority responsible for aerodromes and heliports, including:

• 1. the general conditions under which aerodromes/heliports and associated facilities are available for use; and

• 1. a statement concerning the provisions on which the services are based and a reference to the AIP location where differences from ICAO, if any, are listed.

AD 1.1.2 Use of military air bases

Regulations and procedures, if any, concerning civil use of military air bases.

AD 1.1.3 Low-visibility procedures (LVPs)

The general conditions under which the LVPs applicable to low-visibility operations, at aerodromes, if any, are applied.

AD 1.1.4 Aerodrome operating minima

Details of aerodrome operating minima applied by the Member State.

AD 1.1.5 Other information

If applicable, other information of a similar nature.

AD 1.2 Rescue and firefighting services (RFFSs), runway surface condition assessment and reporting, and snow plan

AD 1.2.1 Rescue and firefighting services

Brief description of rules governing the establishment of RFFSs at aerodromes/heliports available for public use together with an indication of rescue and firefighting categories established by a Member State.

AD 1.2.2 Runway surface condition assessment and reporting, and snow plan

Description of runway surface condition assessment and reporting; and brief snow plan considerations for aerodromes/heliports available for public use at which snow conditions are normally liable to occur, including:

• 1. organisation of the runway surface condition reporting and winter service;

• 1. surveillance of movement areas;

• 1. surface condition assessment methods used; operations on specially prepared winter runways;

• 1. actions taken to maintain the usability of movement areas;

• 1. system and means of reporting;

• 1. the cases of runway closure;

• 1. distribution of information about runway surface conditions.

AD 1.3 Index of aerodromes and heliports

A list, supplemented by graphic portrayal, of aerodromes/heliports within a Member State, including:

• 1. aerodrome/heliport name and ICAO location indicator;

• 1. type of traffic permitted to use the aerodrome/heliport (international/national, IFR/VFR, scheduled/non-scheduled, general aviation, military and other);

• 1. reference to AIP, Part 3 subsection in which aerodrome/heliport details are presented.

AD 1.4 Grouping of aerodromes/heliports

Brief description of the criteria applied by the Member State in grouping aerodromes/heliports for production/distribution/provision of information purposes.

AD 1.5 Status of certification of aerodromes

A list of aerodromes in the Member State, indicating the status of certification, including:

• 1. aerodrome name and ICAO location indicator;

• 1. date and, if applicable, validity of certification;

• 1. remarks, if any.’;

• (ii) section AD 2. AERODROMES is amended as follows:

• — point AD 2.7 is replaced by the following:

‘ AD 2.7 Runway surface condition assessment and reporting, and snow plan

Information on runway surface condition assessment and reporting.

Detailed description of the equipment and operational priorities established for the clearance of aerodrome movement areas, including:

• 1. type(s) of clearing equipment;

• 1. clearance priorities;

• 1. use of material for movement area surface treatment;

• 1. specially prepared winter runways;

• 1. remarks.’;

• — point AD 2.19 is replaced by the following:

‘ AD 2.19 Radio navigation and landing aids

Detailed description of radio navigation and landing aids associated with the instrument approach and the terminal area procedures at the aerodrome, including:

• 1. • (a) type of aids;

• (b) magnetic variation to the nearest degree, as appropriate;

• (c) type of supported operation for ILS/MLS/GLS, basic GNSS and SBAS;

• (d) classification for ILS;

• (e) facility classification and approach facility designation(s) for GBAS;

• (f) for VOR/ILS/MLS, also station declination to the nearest degree used for technical line-up of the aid;

• 1. identification, if required;

• 1. frequency(ies), channel number(s), service provider and reference path identifier(s) (RPI(s)), as appropriate;

• 1. hours of operation, as appropriate;

• 1. geographical coordinates in degrees, minutes, seconds and tenths of seconds of the position of the transmitting antenna, as appropriate;

• 1. elevation of the DME transmitting antenna to the nearest 30 m (100 ft) and of the distance-measuring equipment precision (DME/P) to the nearest 3 m (10 ft), elevation of GBAS reference point to the nearest metre or foot, and the ellipsoid height of the point to the nearest metre or foot; for SBAS, the ellipsoid height of the landing threshold point (LTP) or the fictitious threshold point (FTP) to the nearest metre or foot;

• 1. service volume radius from the GBAS reference point to the nearest kilometre or nautical mile;

• 1. remarks.

When the same aid is used for both en-route and aerodrome purposes, a description shall also be given in section ENR 4. If the ground-based augmentation system (GBAS) serves more than one aerodrome, a description of the aid shall be provided under each aerodrome. If the operating authority of the facility is other than the designated authority, the name of the operating authority shall be indicated in the remarks column. Facility coverage shall be indicated in the remarks column.’;

• — point AD 2.22 is replaced by the following:

‘ AD 2.22 Flight procedures

Detailed description of the conditions and flight procedures, including radar and/or ADS-B procedures, established on the basis of airspace organisation at the aerodrome. When established, detailed description of the LVP at the aerodrome, including:

• 1. runway(s) and associated equipment authorised for use when LVP are in effect, including for operations with operational credits with RVR less than 550 m, if applicable;

• 1. defined meteorological conditions under which initiation, use and termination of LVP would be made;

• 1. description of ground marking/lighting for use under LVP;

• 1. remarks.’;

• — the following point AD 2.25 is added:

‘ AD 2.25 Visual segment surface (VSS) penetration

Visual segment surface (VSS) penetration, including procedure and procedure minima affected.’;

• (iii) in Section AD 3. HELIPORTS, point AD 3.18 is replaced by the following:

‘ AD 3.18 Radio navigation and landing aids

Detailed description of radio navigation and landing aids associated with the instrument approach and the terminal area procedures at the heliport, including:

• 1. • (a) type of aids;

• (b) magnetic variation to the nearest degree, as appropriate;

• (c) type of supported operation for ILS/MLS/GLS, basic GNSS and SBAS;

• (d) classification for ILS;

• (e) facility classification and approach facility designation(s) for GBAS;

• (f) for VOR/ILS/MLS, also station declination to the nearest degree used for technical line-up of the aid;

• 1. identification, if required;

• 1. frequency(ies), channel number(s), service provider and reference path identifier(s) (RPI(s)), as appropriate;

• 1. hours of operation, as appropriate;

• 1. geographical coordinates in degrees, minutes, seconds and tenths of seconds of the position of the transmitting antenna, as appropriate;

• 1. elevation of the DME transmitting antenna to the nearest 30 m (100 ft) and of the distance-measuring equipment precision (DME/P) to the nearest 3 m (10 ft), elevation of GBAS reference point to the nearest metre or foot, and the ellipsoid height of the point to the nearest metre or foot; for SBAS, the ellipsoid height of the landing threshold point (LTP) or the fictitious threshold point (FTP) to the nearest metre or foot;

• 1. service volume radius from the GBAS reference point to the nearest kilometre or nautical mile;

• 1. remarks.

When the same aid is used for both en-route and heliport purposes, a description shall also be given in section ENR 4. If the GBAS serves more than one heliport, a description of the aid shall be provided under each heliport. If the operating authority of the facility is other than the designated authority, the name of the operating authority shall be indicated in the remarks column. Facility coverage shall be indicated in the remarks column.’;

• (2) Appendix 3 is replaced by the following:

‘Appendix 3

SNOWTAM Format

Image omitted; see official source

INSTRUCTIONS FOR THE COMPLETION OF THE SNOWTAM FORMAT

1. General

• (a) When reporting on more than one runway, repeat Items B to H (aeroplane performance calculation section).

• (b) The letters used to indicate items are only used for reference purpose and shall not be included in the messages. The letters, M (mandatory), C (conditional) and O (optional) mark the usage and information and shall be included as explained below.

• (c) Metric units shall be used and the unit of measurement shall not be reported.

• (d) The maximum validity of SNOWTAM is 8 hours. New SNOWTAM shall be issued whenever a new runway condition report is received.

• (e) A SNOWTAM cancels the previous SNOWTAM.

• (f) The abbreviated heading “TTAAiiii CCCC MMYYGGgg (BBB)” is included to facilitate the automatic processing of SNOWTAM messages in computer databanks. The explanation of these symbols is:

TT	=	data designator for SNOWTAM = SW;
AA	=	geographical designator for Member States, e.g. LF = FRANCE;
iiii	=	SNOWTAM serial number in a four-digit group;
CCCC	=	four-letter location indicator of the aerodrome to which the SNOWTAM refers;
MMYYGGgg	=	date/time of observation/measurement, whereby:
MM	=	month, e.g. January = 01, December = 12;
YY	=	day of the month;
GGgg	=	time in hours (GG) and minutes (gg) UTC;
(BBB)	=	optional group for:

Correction, in the case of an error, to a SNOWTAM message previously disseminated with the same serial number = COR. Brackets in (BBB) shall be used to indicate that this group is optional. When reporting on more than one runway and individual dates/times of observation/assessment are indicated by repeated Item B, the latest date/time of observation/assessment shall be inserted in the abbreviated heading (MMYYGGgg).

• (g) The text “SNOWTAM” in the SNOWTAM Format and the SNOWTAM serial number in a four-digit group shall be separated by a space, e.g. SNOWTAM 0124.

• (h) For readability purposes for the SNOWTAM message, a linefeed shall be included after the SNOWTAM serial number, after Item A, and after the aeroplane performance calculation section.

• (i) When reporting on more than one runway, repeat the information in the aeroplane performance calculation section from the date and time of assessment for each runway before the information in the situational awareness section.

• (j) Mandatory information is:

• (1) AERODROME LOCATION INDICATOR;

• (2) DATE AND TIME OF ASSESSMENT;

• (3) LOWER RUNWAY DESIGNATOR NUMBER;

• (4) RUNWAY CONDITION CODE FOR EACH RUNWAY THIRD; and

• (5) CONDITION DESCRIPTION FOR EACH RUNWAY THIRD (when runway condition code (RWYCC) is reported 0–6)

1. Aeroplane performance calculation section

Item A —	Aerodrome location indicator (four-letter location indicator).
Item B —	Date and time of assessment (eight-figure date/time group giving time of observation as month, day, hour and minute in UTC).
Item C —	Lower runway designator number ( nn[L] or nn[C] or nn[R]). Only one runway designator shall be inserted for each runway and always the lower number.
Item D —	Runway condition code for each runway third. Only one digit (0, 1, 2, 3, 4, 5 or 6) is inserted for each runway third, separated by an oblique stroke (n/n/n).
Item E —	Per cent coverage for each runway third. When provided, insert 25, 50, 75 or 100 for each runway third, separated by an oblique stroke ([n]nn/[n]nn/[n]nn). This information shall be provided only when there is a condition description for each runway third (Item G) that has been reported other than “DRY”. When the conditions are not reported, this shall be signified by the insertion of “NR” for the appropriate runway third(s).
Item F —	Depth of loose contaminant for each runway third. When provided, insert in millimetres for each runway third, separated by an oblique stroke (nn/nn/nn or nnn/nnn/nnn). This information shall only be provided for the following contamination types: — standing water, values to be reported 04, then assessed value. Significant changes 3 mm; — slush, values to be reported 03, then assessed value. Significant changes 3 mm; — wet snow, values to be reported 03, then assessed value. Significant changes 5 mm; and — dry snow, values to be reported 03, then assessed value. Significant changes 20 mm. When the conditions are not reported, this shall be signified by the insertion of “NR” for the appropriate runway third(s).
Item G —	Condition description for each runway third. Any of the following condition descriptions for each runway third, separated by an oblique stroke, shall be inserted. COMPACTED SNOW DRY SNOW DRY SNOW ON TOP OF COMPACTED SNOW DRY SNOW ON TOP OF ICE FROST ICE SLIPPERY WET SLUSH SPECIALLY PREPARED WINTER RUNWAY STANDING WATER WATER ON TOP OF COMPACTED SNOW WET WET ICE WET SNOW WET SNOW ON TOP OF COMPACTED SNOW WET SNOW ON TOP OF ICE DRY (only reported when there is no contaminant) When the conditions are not reported, this shall be signified by the insertion of “NR” for the appropriate runway third(s).
Item H —	Width of runway to which the runway condition codes apply. The width in metres, if less than the published runway width, shall be inserted.

1. Situational awareness section

Elements in the situational awareness section shall end with a full stop.

Elements in the situational awareness section for which no information exists, or where the conditional circumstances for publication are not fulfilled, shall be left out completely.

Item I —	Reduced runway length. The applicable runway designator and available length in metres shall be inserted (e.g. RWY nn [L] or nn [C] or nn [R] REDUCED TO [n]nnn). This information is conditional when a NOTAM has been published with a new set of declared distances.
Item J —	Drifting snow on the runway. When reported, “DRIFTING SNOW” shall be inserted with a space “DRIFTING SNOW” (RWY nn or RWY nn[L] or nn[C] or nn[R] DRIFTING SNOW).
Item K —	Loose sand on the runway. When loose sand is reported on the runway, the lower runway designator shall be inserted with a space “LOOSE SAND” (RWY nn or RWY nn[L] or nn[C] or nn[R] LOOSE SAND).
Item L —	Chemical treatment on the runway. When chemical treatment has been reported applied, the lower runway designator shall be inserted with a space “CHEMICALLY TREATED” (RWY nn or RWY nn[L] or nn[C] or nn[R] CHEMICALLY TREATED).
Item M —	Snowbanks on the runway. When snowbanks are reported present on the runway, the lower runway designator shall be inserted with a space “SNOWBANK” and with a space left “L” or right “R” or both sides “LR”, followed by the distance in metres from centre line separated by a space “FM CL” (RWY nn or RWY nn[L] or nn[C] or nn[R] SNOWBANK Lnn or Rnn or LRnn FM CL).
Item N —	Snowbanks on a taxiway. When snowbanks are present on taxiway(s), the taxiway(s) designator(s) shall be inserted with a space “SNOWBANKS” (TWY [nn]n or TWYS [nn]n/[nn]n/[nn]n… or ALL TWYS SNOWBANKS).
Item O —	Snowbanks adjacent to the runway. When snowbanks are reported present, penetrating the height profile in the aerodrome snow plan, the lower runway designator and “ADJ SNOWBANKS” shall be inserted (RWY nn or RWY nn[L] or nn[C] or nn[R] ADJ SNOWBANKS).
Item P —	Taxiway conditions. When taxiway conditions are reported slippery or poor, the taxiway designator followed by a space “POOR” shall be inserted (TWY [n or nn] POOR or TWYS [n or nn]/[n or nn]/[n or nn] POOR… or ALL TWYS POOR).
Item R —	Apron conditions. When apron conditions are reported slippery or poor, the apron designator followed by a space “POOR” shall be inserted (APRON [nnnn] POOR or APRONS [nnnn]/[nnnn]/[nnnn] POOR or ALL APRONS POOR).
Item S —	(NR) Not reported.
Item T —	Plain-language remarks.’.