Modal Hint
V = VFR
Y = IFR → VFR
Z = VFR → IFR
N = Non-scheduled Air Transport Operation
G = General Aviation
M = Military
X = Other
H = Heavy (136 000 kg or more)
M = Medium (7 000 kg – 136 000 kg)
L = Light (7 000 kg or less)
Radio communication, navigation, approach aid equipment and capabilities
N - Check if no COM/NAV/approach aid equipment for the route to be flown is carried, or the equipment is unserviceable.
S - Check if standard COM/NAV/approach aid equipment for the route to be flown is carried and serviceable. Standard equipment is considered to be VHF RTF, VOR and ILS, unless another combination is prescribed by the appropriate ATS authority
AND / OR check one or more of the following letters to indicate the serviceable equipment and capabilities available.
A - GBAS landing system
B - LPV (APV with SBAS)
C - LORAN C
D - DME
E1 - FMC WPR ACARS
E2 - D-FIS ACARS
E3 - PDC ACARS
F - ADF
G - GNSS (Global Navigation Satellite System). If the letter G is used, the types of
external GNSS augmentation, if any, are specified in field 18 following the indicator NAV/
and separated by a space.
H - HF RTF
I - Inertial Navigation
J1 - CPDLC (Controller Pilot Data Link Communications) ATN VDL Mode 2
J2 - CPDLC FANS 1/A HFDL
J3 - CPDLC FANS 1/A VDL Mode A
J4 - CPDLC FANS 1/A VDL Mode 2
J5 - CPDLC FANS 1/A SATCOM (INMARSAT)
J6 - CPDLC FANS 1/A SATCOM (MTSAT)
J7 - CPDLC FANS 1/A SATCOM (Iridium)
K - MLS
L - ILS
M1 - ATC RTF SATCOM (INMARSAT)
M2 - ATC RTF (MTSAT)
M3 - ATC RTF (Iridium)
O - VOR
R - PBN approved. If the letter R is used, the performance based navigation levels that can
be met are specified in Field 18 following the indicator PBN/.
T - TACAN
U - UHF RTF
V - VHF RTF
W - RVSM approved
X - MNPS approved
Y - VHF with 8.33 kHz channel spacing capability
Z - Other equipment carried or other capabilities. If the letter Z is used, specify in field
18 the other equipment carried or other capabilities, preceded by COM/, NAV/ and/or DAT/, as
appropriate.
Surveillance equipment and capabilities
N - Check if no surveillance equipment for the route to be flown is carried, or the equipment is unserviceable.
SSR Modes A and C
A - Transponder — Mode A (4 digits — 4 096 codes)
C - Transponder — Mode A (4 digits — 4 096 codes) and Mode C
SSR Mode S
E - Transponder — Mode S, including aircraft identification, pressure-altitude and extended
squitter (ADS-B) capability
H - Transponder — Mode S, including aircraft identification, pressure-altitude and enhanced
surveillance capability
I - Transponder — Mode S, including aircraft identification, but no pressure-altitude
capability
L - Transponder — Mode S, including aircraft identification, pressure-altitude, extended
squitter (ADS-B) and enhanced surveillance capability
P - Transponder — Mode S, including pressure-altitude, but no aircraft identification
capability
S - Transponder — Mode S, including both pressure altitude and aircraft identification
capability
X - Transponder — Mode S with neither aircraft identification nor pressure-altitude
capability
Enhanced surveillance capability
ADS-B
B1- ADS-B with dedicated 1090 MHz ADS-B “out” capability
B2 - ADS-B with dedicated 1090 MHz ADS-B “out” and “in” capability
U1 - ADS-B “out” capability using UAT
U2 - ADS-B “out” and “in” capability using UAT
V1 - ADS-B “out” capability using VDL Mode 4
V2 - ADS-B “out” and “in” capability using VDL Mode 4
D1- ADS-C with FANS 1/A capabilities
G1 - ADS-C with ATN capabilities
N (knots) followed by 4 figures (e.g. N0485)
M (mach number expressed in hundredths) followed by 3 figures (e.g. M082)
F (Flight Level) followed by 3 figures (e.g. F085; F330)
A (Altitude in hundreds of feet) followed by 3 figures (e.g. A045; A100)
*S (Standard metric level in tens of metres) followed by 4 figures (e.g. S1130)
M (Altitude in tens of metres) by 4 figures (e.g. M0840)
VFR for uncontrolled VFR flights
STS/ Reason for special handling by ATS, e.g. a search and rescue mission, as follows:
ALTRV for a flight operated in accordance with an altitude reservation;
ATFMX for a flight approved for exemption from ATFM measures by the appropriate ATS
authority;
FFR fire-fighting;
FLTCK flight check for calibration of NAVAIDs;
HAZMAT for a flight carrying hazardous material;
HEAD a flight with Head of State status;
HOSP for a medical flight declared by medical authorities;
HUM for a flight operating on a humanitarian mission;
MARSA for a flight for which a military entity assumes responsibility for separation of
military
aircraft;
MEDEVAC for a life critical medical emergency evacuation;
NONRVSM for a non-RVSM capable flight intending to operate in RVSM airspace;
SAR for a flight engaged in a search and rescue mission;
STATE for a flight engaged in military, customs or police services;
EXM833 write as COM/EXM833.
PBN/
Indication of RNAV and/or RNP capabilities. Up to a maximum of 8 entries are allowed.
If R in Field 10a is present, the PBN/ indicator must be defined.
If R in Field 10a is not present, the PBN/ indicator must not be defined.
RNAV SPECIFICATIONS REQUIRED DESCRIPTORS IN FIELD 10a
A1 - RNAV 10 (RNP 10)
B1 - RNAV 5 all permitted sensors either O or S, and D, G, I must be present
B2 - RNAV 5 GNSS G must be present
B3 - RNAV 5 DME/DME D must be present
B4 - RNAV 5 VOR/DME either O or S, and D must be present
B5 - RNAV 5 INS or IRS I must be present
B6 - RNAV 5 LORANC
C1 - RNAV 2 all permitted sensors D, G, I must be present
C2 - RNAV 2 GNSS G must be present
C3 - RNAV 2 DME/DME D must be present
C4 - RNAV 2 DME/DME/IRU D, I must be present
D1 - RNAV 1 all permitted sensors D, G, I must be present
D2 - RNAV 1 GNSS G must be present
D3 - RNAV 1 DME/DME D must be present
D4 - RNAV 1 DME/DME/IRU D, I must be present
RNP SPECIFICATIONS
L1 - RNP 4
O1 - Basic RNP 1 all permitted sensors D, G, I must be present
O2 - Basic RNP 1 GNSS G must be present
O3 - Basic RNP 1 DME/DME D must be present
O4 - Basic RNP 1 DME/DME/IRU D, I must be present
S1 - RNP APCH
S2 - RNP APCH with BARO-VNAV
T1 - RNP AR APCH with RF (special authorization required)
T2 - RNP AR APCH without RF (special authorization required)
EUR / PROTECTED (Specific to EUR region)
NAV/
Significant data related to navigation equipment, other than specified in PBN/, as required
by the appropriate ATS authority. Indicate GNSS augmentation, with a space between two or
more
methods of augmentation, e.g. NAV/GBAS SBAS.
If Z in Field 10a is present, at least one indicator of COM/, DAT/, NAV/ must be
defined.
COM/
Indicate communications applications or capabilities not specified in Field 10a.
If Z in Field 10a is present, at least one indicator of COM/, DAT/, NAV/ must be
defined.
DAT/
Indicate data applications or capabilities not specified in Field 10a.
If Z in Field 10a is present, at least one indicator of COM/, DAT/, NAV/ must be
defined.
SUR/ Indicate surveillance applications or capabilities not specified in Field 10b.
DEP/
Name and location of departure aerodrome, if ZZZZ is inserted in Field 13, or the ICAO four
letter location indicator of the location of the ATS unit from which supplementary flight
plan data can be obtained, if AFIL is inserted in Field 13.
If ZZZZ or AFIL in Field 13 is present, then the DEP/ indicator must be
defined.
DEST/
Name and location of destination aerodrome, if ZZZZ is inserted in Field 16.
If ZZZZ in Field 16 is present, then the DEST/ indicator must be defined.
REG/
The nationality or common mark and registration mark of the aircraft, if different from the
aircraft identification in Item 7.
EET/
Significant points or FIR boundary designators and accumulated estimated elapsed times from
take-off to such points or FIR boundaries, when so prescribed on the basis of regional air
navigation agreements, or by the appropriate ATS authority.
SEL/
SELCAL Code, for aircraft so equipped.
TYP/
Type(s) of aircraft, preceded if necessary without a space by number(s) of aircraft and
separated by one space.
If ZZZZ in Field 9 is present, then the TYP/ indicator must be defined.
CODE/
Aircraft address (expressed in the form of an alphanumerical code of six hexadecimal
characters) when required by the appropriate ATS authority. Example: F00001 is the lowest
aircraft address contained in the specific block administered by ICAO.
RVR/
Runway Visual Range. Parameter indicates minimal RVR.
DLE/
Enroute delay or holding, insert the significant point(s) on the route where a delay is
planned to occur, followed by the length of delay using four figure time in hours and
minutes (hhmm).
Example: DLE/MDG0030.
OPR/
ICAO designator or name of the aircraft operating agency, if different from the aircraft
identification in Field 7.
ORGN/
The originator’s 8 letter AFTN address or other appropriate contact details, in cases where
the originator of the flight plan may not be readily identified, as required by the
appropriate ATS authority.
PER/
Aircraft performance data, indicated by a single letter as specified in the Procedures for
Air Navigation Services - Aircraft Operations (PANS-OPS, Doc 8168), Volume I - Flight
Procedures, if so prescribed by the appropriate ATS authority.
ALTN/
Name of destination alternate aerodrome(s), if ZZZZ is inserted in Field 16.
If ZZZZ in Field 16 is present, then the ALTN/ indicator must be defined.
RALT/
ICAO four letter indicator(s) for en-route alternate(s), as specified in Doc 7910, Location
Indicators, or name(s) of en-route alternate aerodrome(s), if no indicator is allocated.
TALT/
ICAO four letter indicator(s) for take-off alternate, as specified in Doc 7910, Location
Indicators, or name of take-off alternate aerodrome, if no indicator is allocated.
RIF/
The route details to the revised destination aerodrome, following by the ICAO four-letter
location indicator of the aerodrome. The revised route is subject to reclearance in
flight.
Example: RIF/DTA HEC KLAX
RMK/
Any other plain language remarks when required by the appropriate ATS authority or deemed
necessary.
To indicate the reason for STAY in Field 15, a free text STAYINFO indicator shall be inserted in Field 18. Example: STAYINFO1/CALIBRATION OF SHA VOR
RFP/
Replacement Flight Plan, Q1 indicates the first replacement, Q2 second replacement, and so
on.
Example: RFP/Q1