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This document provides basic instructions for filling out the International Civil Aviation Organization’s (ICAO) formatted flight plan form, FAA Form 7233-4. Notice that the upper portion of the ICAO format flight plan is not to be filled out by the submitter, as this is for FAA use only. You will also see that there are numbers in front of some fields, and not in front of others. These numbers correlate with system numbers used by the FAA, and are referenced in AIM guidance. You will begin with entry field 7, Aircraft Identification.
Explanations for entries you will need to make in each of the fields are shown below. Where a more detailed explanation is needed, a link is provided to a reference document. When filling out this form, be sure to use CAPITAL LETTERS only.
ENTRY (or reference)
N-Number or ICAO telephony designator of agency followed by flight identification
Flights that are to be conducted entirely under IFR conditions.
Flights to be conducted entirely under VFR conditions.
Flights that commence under IFR conditions and change to VFR conditions.
Flights that commence under VFR conditions and change to IFR conditions.
TYPE OF FLIGHT
Scheduled air transport.
Non-scheduled air transport.
General aviation flight.
All other types of flights.
2-digit number of aircraft in flight, only required for formation flights.
TYPE OF AIRCRAFT
4- character ICAO aircraft type code. If none issued, enter ZZZZ in filed, and TYP/MODEL NAME in Field 18.
WAKE TURBULENCE CAT.
Max. certified takeoff weight of 15,500 lbs. or less.
Max. certified takeoff weight <300k lbs. & >15.5k lbs.
Max. certified takeoff weight of 300,000 lbs. or more.
This field has two parts, 10a and 10b. Field 10a concerns the type of Communication and Navigation equipment installed. Field 10a has numerous possible codes.
Field 10b concerns the type of Surveillance equipment installed. Field 10b has numerous possible codes.
4- character ICAO airport code. If no ICAO designator, enter ZZZZ and put DEP/CODE (e.g. 2S7) in Field 18.
4-digit UTC planned time of departure
(e.g. N0300) or
True airspeed in knots entered as “N” followed by 4 digits or Mach cruise entered as “M” followed by 3 digits.
(e.g. F280) or
Cruising altitude in Flight Level entered as “F” followed by 3 digits, or in Altitude entered as “A” followed by 3 digits.
(e.g. GEP J70 ABR) or
The route intended to be flown. Airways require entry and exit points. DCT is entered for Direct.
4-character ICAO airport code. If no ICAO designator, enter ZZZZ and put DEST/CODE (e.g. 2S7) in Field 18.
Estimated enroute time with 4-digits.
4- character ICAO airport code. If no ICAO designator, enter ZZZZ and put ALTN/CODE (e.g. 2S7) in Field 18.
2ND ALTN AERODROME
4- character ICAO airport code. If no ICAO designator, enter ZZZZ and put 2ND ALTN/CODE (e.g. 2S7) in Field 18.
OTHER INFORMATION (FIELD 18)
See the FAQ concerning ICAO PBN/RNAV-RNP for codes to follow the “/”.
Numerous other entries available. See table for required and common entries for this field.
Total fuel endurance in hours and minutes.
PERSONS ON BOARD
Number of persons onboard using 3-digits.
Enter an “X” if the equipment is NOT aboard.
S and X
Enter S if survival equipment is available, and then place an “X” in the type of equipment NOT available.
J and X
Enter J if life jackets are available, and then place an “X” in the features NOT part of the jackets.
Enter Xs if NO life raft is available. If a dinghie is available, use 2-digits to indicate number, 3-digits to indicate capacity of all dinghies aboard, and enter an “X” if the dinghies are covered.
AIRCRAFT COLOR AND MARKINGS
Describe the colors and markings of the aircraft to aid in Search and Rescue operations.
Enter the color of the dinghies.
X out the “N” box if no remarks are entered. This field is for remarking about additional survival equipment or features.
Enter the First and Last Name of the PIC.
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