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AIM

10/12/17

5−1−18

Preflight

ly 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 Aero-

nautical Information Publications (AIP);

International Flight Information Manuals (IFIM);

and ICAO Document 4444, Procedures for Air

Navigation Services/Air Traffic Management, Ap-

pendix 2.

NOTE−

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.

EXAMPLE−

N235RA, AAL3342, BONGO33
NOTE−

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

operation

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

categories above.

NOTE−

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

Designators;

(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