4/20/23 

AIM 

TBL 4

−

3 

Item 10b Surveillance Capabilities 

ENTER

 “N” if no surveillance equipment for the route to be flown is carried, or the equipment is unserviceable, 

or 

ENTER

 One or more of the following descriptors, to a maximum of 20 characters, to describe the serviceable surveillance 

equipment and/or capabilities on board. 

ENTER

 no more than one transponder code (Modes A, C, or S) 

SSR Modes A and C: 

A 

Transponder 

Mode A (4 digits – 4096 codes) 

C 

Transponder 

Mode A (4 digits – 4096 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 

P 

Transponder 

Mode S, including pressure

−

altitude, but no aircraft identification capability 

S 

Transponder 

Mode S, including both pressure

−

altitude and aircraft identification capability 

X 

Transponder 

Mode S, with neither aircraft identification nor pressure

−

altitude 

NOTE

−

 

Enhanced surveillance capability is the ability of the aircraft to down

−

link aircraft derived data via 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 with “out” capability using UAT 

U2 

ADS

−

B with “out” and “in” capability using UAT 

V1 

ADS

−

B with “out” capability using VDL Mode 4 

V2 

ADS

−

B with “out” and “in” capability using VDL Mode 4 

NOTE

−

 

File no more than one code for each type of capability, e.g., file B1 or B2 and not both 

ADS

−

C: 

D1 

ADS

−

C with FANS 1/A capabilities 

G1 

ADS

−

C with ATN capabilities 

Alphanumeric characters not included above are reserved. 

EXAMPLE

−

 

ADE3RV/HB2U2V2G1 

NOTE

−

 

1. 

The RSP specification(s), if applicable, will be listed in Item 18 following the indicator SUR/, using the characters 

“RSP” followed by the specifications value. Currently RSP180 and RSP400 are in use. 

2. 

List additional surveillance equipment or capabilities in Item 18 following the indicator SUR/. 

FAA Form 7233

−

4 

−

 International Flight Plan 

Appendix 4

−

5