Aeronautical Information Manual (AIM), page 296

Index   295 -- Page 296 -- 297

outside U.S. domestic airspace may vary signific-
antly from country to country. It is, therefore,
recommended that operators planning flights out-
side U.S. domestic airspace become familiar with
applicable international documents, including
Aeronautical Information Publications (AIP); Inter-
national Flight Information Manuals (IFIM); and
ICAO Document 4444, Procedures for Air Naviga-
tion Services/Air Traffic Management, Appendix 2.
FAA Form 7233-4 is shown in FIG 5-1-3. The filer is
normally responsible for providing the information
required in Items 3 through 19.
1. Item 7. Aircraft Identification. Insert the
full registration number of the aircraft, or the
approved FAA/ICAO company or organizational
designator, followed by the flight number.
N235RA, AAL3342, BONGO33
Callsigns filed in this item must begin with a letter followed
by 1-6 additional alphanumeric characters.
2. Item 8. Flight Rules and Type of Flight.

(a) Flight Rules. Insert the character "I" to
indicate IFR

(b) Type of Flight. Insert one of the
following letters to denote the type of flight:
(1) S if scheduled air service
(2) N if non-scheduled air transport

(3) G if general aviation
(4) M if military
(5) X if other than any of the defined
categories above.

Type of flight is optional for flights that will be conducted
entirely within U.S. domestic airspace.

3. Item 9. Number, Type of Aircraft, and
Wake Turbulence Category.

(a) Number. Insert the number of aircraft, if
more than 1 (maximum 99).

(b) Type of Aircraft.

(1) Insert the appropriate designator as
specified in ICAO Doc 8643, Aircraft Type

(2) Or, if no such designator has been
assigned, or in the case of formation flights consisting
of more than one type;

(3) Insert ZZZZ, and specify in Item 18, the
(numbers and) type(s) of aircraft preceded by TYP/.

(c) Wake Turbulence Category. Insert an
oblique stroke followed by one of the following
letters to indicate the wake turbulence category of
the aircraft:

(1) H — HEAVY, to indicate an aircraft
type with a maximum certificated takeoff weight of
300,000 pounds (136 000 kg), or more;

(2) M — MEDIUM, to indicate an aircraft
type with a maximum certificated takeoff weight of
less than 300,000 pounds (136,000 kg), but more than
15,500 pounds (7,000 kg);

(3) L — LIGHT, to indicate an aircraft type
with a maximum certificated takeoff weight of
15,500 pounds (7,000 kg) or less.

4. Item 10. Equipment

5-1-18 Preflight

Page 296 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures

Index   295 -- Page 296 -- 297