1.1 Requirement to submit a flight plan

1.2 Time of submission

Unless otherwise prescribed by the appropriate ATS authority, a flight plan for a flight to be provided with air traffic control service
or air traffic advisory service shall be submitted at least 1 hour before departure and may be submitted up to 120 hours before departure provided the Date of Flight is included in item 18 of the ICAO flight plan form.

1.3  Place of submission

1.4  Contents and form of a flight plan

Instructions for completion of an ICAO flight plan form

Note: The term ‘aerodrome’ as used in this table refers to any aerodrome, heliport or landing site which may be used.

ITEM 7: AIRCRAFT IDENTIFICATION (MAXIMUM 7 CHARACTERS)

INSERT one of the following aircraft identifications:

1. the nationality or common mark and registration mark of the aircraft e.g. ZKNSK, NZ7571, N8735Y. OR

2. the designator for the aircraft operating agency followed by the flight identification e.g. ANZ14, QFA145 Approved designators for aircraft operating agencies can be found on the CAA website.

ITEM 8: FLIGHT RULES AND TYPE OF FLIGHT (ONE OR TWO CHARACTERS)

Flight Rules

INSERT a single character denoting the category of flight rules which the pilot intends to comply:

I – if IFR
Y – if the flight initially will be operated IFR, followed by one or more subsequent changes of flight rules
Z – if the flight initially will be operated VFR, followed by one or more subsequent of flight rules
V – VFR
For flight rules Y and Z, it is necessary to specify in the route field (item) 15 the point or points where the change of flight rules is planned.

Type of Flight

INSERT one of the following letters to denote type of flight:

S – if Scheduled Air Service
N – if Non-scheduled Air Transport Operation
G – if General Aviation
M – if Military
X – if other than any of the above categories
Where necessary specify status of the flight using indicator STS/ in item 18, or when necessary to denote other reasons for specific
handling by ATS use indicator RMK/ in item 18.

ITEM 9: NUMBER AND TYPE OF AIRCRAFT AND WAKE TURBULENCE CATEGORY

Number of Aircraft

INSERT the number of aircraft if more than one, otherwise leave blank.

Aircraft type

INSERT the aircraft type designator — refer to ICAO Doc8643, for type designators and wake turbulence category. If the type of your aircraft does not match anything listed then enter ZZZZ and specify type in item 18 under TYP/.

Wake Turbulence Category

INSERT the wake turbulence category for the aircraft type. Use J (super) or H (heavy) or M (medium) or L (light).

ITEM 10: EQUIPMENT AND CAPABILITIES

Capabilities comprise the following elements:

1. presence of relevant serviceable equipment on board the aircraft;

2. equipment and capabilities commensurate with flight crew qualifications; and

3. where applicable, authorization from the appropriate authority.

Radio Communication, Navigation and Approach Aid Equipment and Capabilities

INSERT one letter as follows:

N – if no COM/NAV/approach aid equipment for the route to be flown is carried, or the equipment is unserviceable.
S – 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. AND/OR one or more of the following to indicate the serviceable COM/NAV/approach aid equipment and capabilities:

A – GBAS landing system	K – MLS
B – LPV (APV with SBAS)	L – ILS
C – LORAN C	M1 – ATC SATVOICE (INMARSAT)
D – DME	M2 – ATC SATVOICE (MTSAT)
E1 – FMC WPR ACARS	M3 – ATC SATVOICE (Iridium)
E2 – D-FIS ACARS	O – VOR
E3 – PDC ACARS	P1 CPDLC RCP 400
F – ADF	P2 CPDLC RCP 240
G – GNSS (see Note 1)	P3 SATVOICE RCP 400
H – HF RTF	P4–P9 Reserved for RCP
I – Inertial Navigation	R – PBN approved (see Note 2)
J1 – CPDLC ATN VDL Mode 2	T – TACAN
J2 – CPDLC FANS 1/A HFDL	U – UHF
J3 – CPDLC FANS 1/A VDL Mode A	V – VHF
J4 – CPDLC FANS 1/A VDL Mode 2	W – RVSM approved
J5 – CPDLC FANS 1/A SATCOM (INMARSAT)	X – MNPS approved
J6 – CPDLC FANS 1/A SATCOM (MTSAT)	Y – VHF with 8.33 kHz channel spacing
J7 – CPDLC FANS 1/A (Iridium)	Z – Other equipment carried or other capabilities (see Note 3)

Note 1: Inclusion of the letter G indicates that an aircraft meets the conditions and requirements for the use of GNSS (GPS) equipment.Types of external GNSS augmentation, if any, are specified in Item 18 following the indicator NAV/ separated by a space.
Note 2: Inclusion of the letter R indicates that an aircraft meets the RNP type prescribed for the route segment(s), route(s), or area
concerned. The performance-based navigation levels that can be met are specified in Item 18 following the indicator PBN/.
Note 3: If the letter Z is used, the other equipment carried or other capabilities are specified in Item 18 following the indicator COM/,
NAV/, or DAT/ as appropriate.

Surveillance Equipment and Capabilities

INSERT N– if no surveillance equipment for the route to be flow is carried, or the equipment is unserviceable, OR

INSERT one or more of the following descriptors, to a maximum of 20 characters, to describe the serviceable surveillance equipment and/or capabilities on board:

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
Note: Enhanced surveillance capability is the ability of the aircraft to down-link aircraft derived data via a Mode S transponder.

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

ADS-C

D1 ADS-C with FANS 1/A capabilities
G1 ADS-C with ATN capabilities
Note: Additional surveillance equipment or capabilities are to be listed in Item 18 following the indicator SUR/.

ITEM 13: DEPARTURE AERODROME AND TIME (8 CHARACTERS)

Departure Aerodrome

INSERT the ICAO 4 letter location indicator of the departure aerodrome.

OR If no location indicator has been assigned,

INSERT ZZZZ and specify in item 18 the name and location of the aerodrome preceded by DEP /

Time

INSERT the estimated off-block time (EOBT) expressed in UTC hhmm format.

ITEM 15: ROUTE

Cruising Speed (maximum 5 characters)

INSERT the true airspeed for the first or whole portion of the flight, in terms of:
Knots - N followed by 4 figures (e.g. N0485); or
Mach number - M followed by 3 figures (e.g. M086).

Cruising Level (maximum 5 characters)

INSERT the planned cruising level for the first or whole portion of the flight, in terms of:
Flight Level —F followed by 3 figures (e.g. F240); or
Altitude —A followed by 3 figures (e.g. A090); or
Note: The altitude of VFR flight departing aerodrome shall be given in field 15 of ICAO flight plan form.

Route (including changes of speed, level and/or flight rules)

Flights along designated ATS Routes

INSERT if the departure aerodrome is located on, or connected to the ATS route, the designator of the first ATS route.

OR if the departure aerodrome is not on or connected to the ATS route, the letters DCT followed by the point of joining the first ATS route, followed by the designator of the ATS route.

THEN INSERT each point at which either a change of speed and/or level is planned to commence, or a change of ATS route, and/or a
change of flight rules is planned.
Note: When a transition is planned between a lower and upper ATS route and routes are orientated in the same direction, the point of
transition need not be inserted.

FOLLOWED IN EACH CASE by the designator of the next ATS route segment, even if the same as the previous one
OR by DCT if the flight to the next point will be outside a designated route, unless both points are defined by geographical
co-ordinates

Flights outside designated ATS Routes

INSERT points normally not more than 30 minutes flying time or 370 km (200 NM) apart, including each point where a change of
speed or level, a change of track, or a change of flight rules is planned.
OR When define by ATS unit,

DEFINE the track of the flight by reference to significant points located at half or whole degrees of latitude add/or longitude.
Points should be no more than 1 hour flying time apart, and include each point where a change of speed or level, a change
of track, or a change of flight rules is planned.

INSERT DCT between successive points unless both points are defined by geographical coordinates or by bearing and distance.
USE ONLY the conventions below and separate each sub-item with a space:

1. ATS ROUTE (2 to 7 characters)
   The designator assigned to the route or route segment, including the designator assigned to the standard departure or
   arrival route.

2. SIGNIFICANT POINT
   The coded designator (2 to 5 characters) assigned to the point (e.g. TL, BKK, NOBER), or, if no coded designator has
   been assigned, one of the following ways:

   1. Degrees only (7 characters):
      2 figures describing latitude in degrees, followed by “N” (North) or “S” (South), followed by 3 figures describing longitude
      in degrees, followed by “E” (East) or “W” (West). Make up the correct number of figures, where necessary, by insertion of zeros. (e.g. 11N099E)

   2. Degrees and minutes (11 characters):
      4 figures describing latitude in degrees and tens and units of minutes followed by “N” (North) or “S” (South), followed by 5 figures describing longitude in degrees and tens and units of minutes, followed by “E” (East) or “W” (West). Make up
      the correct number of figures, where necessary, by insertion of zeros. (e.g. 1013N09859E)

   3. Bearing and distance from a reference point:
      The identification of the reference point, followed by the bearing from the point in the form of 3 figures giving degrees magnetic, followed by the distance from the point in the form of 3 figures expressing nautical miles. In areas of high latitude where it is determined by the appropriate authority that reference to degrees magnetic is impractical, degrees true may be used. Make up the correct number of figures, where necessary, by insertion of zeros — e.g. a point 180° magnetic at a distance of 40 nautical miles from VOR “PUT” should be expressed as PUT180040

3. CHANGE OF SPEED OR LEVEL (maximum 21 characters)
   The point at which a change of speed or a change of level is planned to commence, expressed as in (b) above, followed
   by an oblique stroke and both the cruising speed and cruising level, without a space between them, even when only one
   of these quantities will be changed, (e.g.MEKEP/N0420F330... or 4602S07805W/N0500F350...)

4. CHANGE OF FLIGHT RULES (maximum 3 characters)
   The point at which the change of flight rules is planned, expressed as in (b) or (c) above as appropriate, followed by a
   space and one of the following:
   VFR — if from IFR to VFR
   IFR — if from VFR to IFR
   (e.g MAMUS VFR TU/N0284A070 IFR)

5. CRUISE CLIMB (maximum 28 characters)
   The letter C followed by an oblique stroke; THEN the point at which cruise climb is planned to start, expressed exactly as
   in (b) above, followed by an oblique stroke; THEN the speed to be maintained during cruise climb, followed by the two
   levels defining the layer to be occupied during cruise climb; OR the level above which cruise climb is planned followed
   by the letters PLUS, without a space between them. (e.g. C/APORO/M082F290F350, C/APORO/M083F360PLUS)

ITEM 16: DESTINATION AERODROME AND TOTAL ESTIMATED ELAPSED TIME, DESTINATION ALTERNATE AERODROME(S)

Destination aerodrome and total estimated elapsed time (8 characters)

INSERT the ICAO 4-letter location indicator of the destination aerodrome, or for intended multi-leg flights, the 4-letter location
indicator of the aerodrome at which the first instrument approach will be made.
OR if no location indicator has been assigned,

INSERT ZZZZ and specify in item 18 the name and location of the aerodrome preceded by DEST/.

INSERT the total estimated elapsed time from take-off to arrive over the destination aerodrome.

Destination alternate aerodrome(s)

INSERT the ICAO 4 letter location indicator of not more than two destination alternate aerodromes.
OR If no location indicator assigned to one or both destination alternate aerodromes,

INSERT ZZZZ and specify in item 18 the name and location of the destination alternate aerodrome(s) preceded by ALTN/.

ITEM 18: OTHER INFORMATION

INSERT 0 (zero) if no other information,
OR Any other necessary information in the sequence shown hereunder, in the form of the appropriate indicator followed by
an oblique stroke and the information to be recorded:

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 Navigation Aids;
HAZMAT for a flight carrying hazardous material;
HEAD for 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; and
STATE for a flight engaged in military, customs or police
Other reasons for special handling by ATS shall be denoted under the designator RMK/.

PBN/ Indication of RNAV and/or RNP capabilities. Include as many of the descriptors below, as apply to the flight, up to a
maximum of 8 entries, i.e. a total of not more than 16 characters.

If there are more than 8 applicable entries, identify those considered least relevant to the flight and insert them within
item 18 under NAV/.

	RNAV SPECIFICATIONS
A1	RNAV 10 (RNP 10)
B1	RNAV 5 all permitted sensors
B2	RNAV 5 GNSS
B3	RNAV 5 DME/DME
B4	RNAV 5 VOR/DME
B5	RNAV 5 INS or IRS
B6	RNAV 5 LORANC
C1	RNAV 2 all permitted sensors
C2	RNAV 2 GNSS
C3	RNAV 2 DME/DME
C4	RNAV 2 DME/DME/IRU (C4 = C3 and C4)
D1	RNAV 1 all permitted sensors
D2	RNAV 1 GNSS
D3	RNAV 1 DME/DME
D4	RNAV 1 DME/DME/IRU (D4 = D3 and D4)
	RNP SPECIFICATIONS
L1	RNP 4
O1	RNP 1 all permitted sensors
O2	RNP 1 GNSS
O3	RNP 1 DME/DME
O4	RNP 1 DME/DME/IRU (O4 = O3 and O4)
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)

NAV/ Significant data related to navigation equipment, other than specified in PBN/, as required by the appropriate ATS authority.
Indicate GNSS augmentation under this indicator, with a space between two or more methods of augmentation, e.g. NAV/GBAS SBAS.

COM/ Indicate communication equipment and capabilities not specified in Item 10a.

DAT/ Indicate data communication equipment and capabilities not specified in 10a.

SUR/ Indicate surveillance applications or capabilities not specified in Item 10b .Indicate as many RSP specification(s) as apply
to the flight, using designator (s) with no space. Multiple RSP specifications are separated by a space. Example: RSP180 RSP400

DEP/ Name and location of departure aerodrome, if ZZZZ is inserted in Item 13, or the ATS unit from which supplementary
flight plan data can be obtained, if AFIL is inserted in Item 13 .For aerodromes not listed in the relevant
Aeronautical Information Publication, indicate location as follows:

With 4 figures describing latitude in degrees and tens and units of minutes followed by “N” (North) or “S” (South), followed
by 5 figures describing longitude in degrees and tens and units of minutes, followed by “E” (East) or “W” (West).Make up
the correct number of figures, where necessary, by insertion of zeros.
Example: 4724S17905E (11 characters)
OR,

Bearing and distance from the nearest significant point, as follows:
The identification of the significant point followed by the bearing from the point in the form of 3 figures giving
degrees magnetic, followed by the distance from the point in the form of 3 figures expressing nautical miles. In areas of
high latitude where it is determined by the appropriate authority that reference to degrees magnetic is impractical,
degrees true may be used. Make up the correct number of figures, where necessary, by insertion of zeros, e.g. a point
of 160° magnetic at a distance of 40 nautical miles from VOR ‘GS’ should be expressed as GS160040.
OR,

The first point of the route (name or LAT/LONG) or the marker radio beacon, if the aircraft has not taken off from
an aerodrome.

DEST/ Name and location of destination aerodrome, if ZZZZ is inserted in Item 16 .For aerodromes not listed in the relevant
Aeronautical Information Publication, indicate location in LAT/LONG or bearing and distance from the nearest significant
point, as described under DEP / above.

DOF/ The date of flight departure in a six-figure format (YYMMDD, where YY equals the year, MM equals the month and DD
equals the day).

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.
Example: EET/YBBB0010 NZZO0123 NZZC0211

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
is inserted in Item 9.

Example: TYP/5CT4

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.
MODE S equipped aircraft must include the MODE S address.
Example: CODE/C81111

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).

OPR/ ICAO designator or name of the aircraft operating agency, if different from the aircraft identification in item 7.

ORGN/ The originator’s 8 letter AFTN address or other appropriate contact details, in cases where the originator of the flight plan

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 Item 16 For aerodromes not listed in the relevant
Aeronautical Information Publication, indicate location in LAT/LONG or bearing and distance from the nearest significant
point, as described in DEP /above.

RALT/ ICAO four letter indicator(s) for enroute alternate(s), as specified in Doc 7910, Location Indicators, or name(s) of enroute
alternate aerodrome(s), if no indicator is allocated .For aerodromes not listed in the relevant Aeronautical Information
Publication, indicate location in LAT/LONG or bearing and distance from the nearest significant point, as described in
DEP/ above.

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 .For aerodromes not listed in the relevant Aeronautical Information Publication, indicate
location in LAT/LONG or bearing and distance from the nearest significant point, as described in DEP/ above.

RIF/ The route details to the revised destination aerodrome, followed by the ICAO four letter location indicator of the aerodrome.
The revised route is subject to reclearance in flight.
Example: RIF/AA H211 NZHN

RMK/ Any other plain language remarks when required by the appropriate ATS authority or deemed necessary.

(a) Non-scheduled/private International or overflying flights shall seek permission from the CAAT to enter the Bangkok FIR and
shall specify the issued permission number in item 18 of the filed the flight plan as follows;

RMK/PERMIT THAILAND ATD XX/XX/XXXX (NUMBER/MONTH/YEAR)
Note: In case Aircraft Identification (ITEM7) has been changed, the permission shall be revised.

ITEM 19: SUPPLEMENTARY INFORMATION

Endurance

After E/ INSERT a 4 figures group giving the fuel endurance in hours and minutes.

Persons on Board

After P/ INSERT the total number of persons (passengers and crew) on board.
INSERT TBN if not known at time of filing.

Emergency and Survival Equipment

R/ (Radio)
CROSS OUT U if UHF on frequency 243.0 MHz is NOT available.
CROSS OUT V if VHF on frequency 121.5 MHz is NOT available.
CROSS OUT E if emergency locator transmitter (ELT) is NOT available.

S/ (Survival Equipment)
CROSS OUT all indicators if survival equipment is NOT carried.
CROSS OUT P if polar survival equipment is NOT carried.
CROSS OUT D if desert survival equipment is NOT carried.
CROSS OUT M if maritime survival equipment is NOT carried.
CROSS OUT J if jungle survival equipment is NOT carried.

J/ (Jackets)
CROSS OUT all indicators if life jackets are NOT carried.
CROSS OUT L if life jackets are NOT equipped with lights.
CROSS OUT F if life jackets are NOT equipped with fluorescein.
CROSS OUT U or V or both as in R/ above to indicate radio capability of jackets, if any.

D/ (Dinghies)
CROSS OUT indicators D and C if no dinghies carried; or
INSERT number of dinghies carried; and
INSERT total capacity, in persons, of all dinghies carried; and
CROSS OUT C if dinghies are NOT covered; and
INSERT color of dinghies if carried.

A/ (Aircraft color and markings)
INSERT color of aircraft and significant markings.

N/ (Remarks)
CROSS OUT indicator N if no remarks; or
INDICATE any other survival equipment carried and any other remarks regarding survival equipment.

C/ (Pilot)
INSERT name of pilot-in-command.

Filed by INSERT name of unit, agency or person filing the flight plan.

2.1 All signification changes to submitted flight plan shall be notified to ATS unit at least 30 minutes prior to EOBT.

2.2 ATS Messages related to flight plan changes

2.3 Termination of Flight Plan (Arrival report)

An arrival report shall be made in person, by radiotelephony, via data link or by other means prescribed by the competent authority at the earliest possible moment after landing, to the appropriate ATS unit at the arrival aerodrome, by any flight for which a fight plan has been submitted covering the entire flight or the remaining portion of a flight to the destination aerodrome.

1. Submission of an arrival report is not required by aircraft after landing on an aerodrome where air traffic services are provided
   on condition that radio communication or visual signals indicate that the landing has been observed. In this case, arrival report shall be made by ATS units serving arrival aerodrome and flight plan shall be closed automatically.

2. When no ATS unit exists at the arrival aerodrome or operating site, the arrival report, when required, shall be made as soon
   as practicable after landing and by the quickest means available to the nearest ATS unit.

3. When communication facilities at the arrival aerodrome or operating site are known to be inadequate and alternate arrangements for the handling of arrival reports on the ground are not available, the following action shall be taken.
   To an arrival report, where such a report is required. Normally, this transmission shall be made to the aeronautical station
   serving the ATS unit in charge of the flight information region in which the aircraft is operated.

4. Arrival reports shall contain the following elements of information:

   1. aircraft identification;

   2. departure aerodrome or operating site;

   3. destination aerodrome; and

   4. Actual time of arrival.

In the case of diversion, insert the "arrival aerodrome" between "destination aerodrome" and "Actual time of arrival".

3.1 Flight Plan Filing and Flight Plan Associated Messages with FDMC.

Flight Plans and flight plan associated message filed directly with FDMC will be checked by FDMC as regards syntax format and route structure. The route data outside the Bangkok FIR are not subject to verification. The originator will be informed of the successful processing of Flight plans and Flight plan associated message within FDMC by an Acknowledgement Message (“ACK” message). If not, they will be returned to the originator to be corrected receipt of the message (“REJ” Reject message).

3.2 The flight plan originator is responsible for

1. Complete and correct data.

2. The originator will be informed of the successful processing of flight plan and flight plan associated messages within FDMC by an Acknowledgement Message (ACK message).

3. Checking Flight Plan ensure receipt of the message at FDMC Terminal. FDMC will be informed Acceptance Flight plan list.

3.3 Flight Plans, which cannot be processed by FDMC or not follow ICAO FPL format, will be returned to the originator to be corrected according to REJECT message (REJ) sending automatically from FDMC system.

4.1 Operating and flight planning procedures in the south area of the Bangkok FIR.

4.2 Operating and flight planning procedures in the north area of the Bangkok FIR.

4.3 Flight planning procedures for aircraft arriving to VTBD and VTBS

To enhance ATS efficiency for automatically utilization of Air Traffic Control System, aircraft arriving to VTBD and VTBS shall file flight plan as follows: