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AIM 

4/20/23 

TBL 4

19 

Aircraft Specific Information 

Item 

International Flight Plan 

(FAA Form 7233

4) 

Domestic U.S. Requirements 

Equivalent Item on 

Domestic Flight Plan 

(FAA Form 7233

1) 

Number of Aircraft 

Item 9 

Included when more than one a/c in flight 

Item 3 

Type of Aircraft 

Item 9 

Required 

Item 3 

Wake Turbulence Category 

Item 9 

Required 

N/A 

Aircraft Registration 

Item 18 REG/ 

Include when planning to operate in RVSM 
airspace 

N/A 

Mode S Address 

Item 18 CODE/ 

Not required within U.S. controlled airspace 

N/A 

SELCAL Codes 

Item 18 SEL/ 

Include when SELCAL equipped 

N/A 

Performance Category 

Item 18 PER/ 

Not required for domestic flights 

N/A 

e. Instructions for Aircraft

Specific Information. 

1. Number of Aircraft (Item 9)

 when there is more than one aircraft in the flight; indicate the number of 

aircraft up to 99. 

2. Type of Aircraft (Item 9) 

(a) 

Provide the appropriate 2

4 character aircraft type designator listed in FAA Order JO 7360.1, Aircraft 

Type Designators. FAA Order JO 7360.1 may be located at: Orders & Notices (faa.gov), then enter 7360.1 in 

the Search box. 

(b) 

When there is no designator for the aircraft type use ’ZZZZ’, and provide a description in Item 18 TYP/. 

3. Wake Turbulence Category (Item 9) 

A Wake Turbulence Category is required for all aircraft types. Provide the appropriate wake turbulence category 

for the aircraft type as listed in FAA Order 7360.1. The categories include: 

(a)  J 

 SUPER, 

aircraft types specified as such in FAA Order JO 7360.1, Aircraft Type Designators. 

(b) H 

 

HEAVY

, to indicate an aircraft type with a maximum certificated take

off mass of 300,000 lbs. or 

more, with the exception of aircraft types listed in FAA Order JO 7360.1 in the SUPER (J) category. 

(c) M 

 

MEDIUM

, to indicate an aircraft type with a maximum certificated take

off mass of less than 

300,000 lbs. but more than 15,500 lbs. 

(d) L 

 

LIGHT

, to indicate an aircraft type with a maximum certificated take

off mass of 15,500 lbs. or 

less. 

4. Aircraft Registration (Item 18 REG/) 

The aircraft registration must be provided here if different from the Item 7 entry. The registration mark must not 

include any spaces or hyphens. Additionally, the actual aircraft registration must also be included if Item 7 would 

have contained a leading numeric and was modified to be prefixed with the appropriate alphabetic character for 

U.S. ATC acceptance. 

EXAMPLE

 

U.S. aircraft with registration N789AK 

REG/N789AK 

Belgian aircraft with registration OO

FAH 

REG/OOFAH 

5. Mode S Address (Item 18 CODE/) 

Appendix 4

16 

FAA Form 7233

 International Flight Plan