3/21/24 

AIM 

2.

 No PBN/ code needs to be filed to indicate the ability to fly point

−

to

−

point routes using GNSS or INS. 

3. 

Filing one of these four area navigation capabilities as shown does not indicate performance based navigation sufficient 

for flying Q

−

Routes, T

−

Routes, or RNAV SIDs or STARs. To qualify for these routes, see the section on Performance Based 

Navigation Routes. 

(c) Transponder Capabilities (Item 10b) 

 

For domestic flights, it is not necessary to indicate Mode S capability. It is acceptable to simply 

file one of the following codes in TBL 4

−

8. 

TBL 4

−

8 

Mode C 

Capability 

Item 10b 

Transponder with no Mode C 

A 

Transponder with Mode C 

C 

 

International flights must file in accordance with relevant AIPs and regional supplements. Include 

one of the Mode S codes in TBL 4

−

9, if appropriate. 

NOTE

−

 

File only one transponder code. 

TBL 4

−

9 

Mode S 

Capability 

Aircraft 

ID 

Altitude 

Encoding 

Item 

10b 

Mode S Transponder 

No 

No 

X 

Mode S Transponder 

No 

Yes 

P 

Mode S Transponder 

Yes 

No 

I 

Mode S Transponder 

Yes 

Yes 

S 

Mode S Transponder with Extended Squitter 

Yes 

Yes 

E 

Enhanced Mode S Transponder 

Yes 

Yes 

H 

Enhanced Mode S Transponder with Extended Squitter 

Yes 

Yes 

L 

(d) ADS

−

B Capabilities (Item 10b, Item 18 SUR/ and Item 18 CODE/) 

 

Indicate ADS

−

B capability as shown in TBL 4

−

10. The accompanying entry in Item 18 indicates 

that the equipment is compliant with 14 CFR §91.227. Some ADS

−

B equipment used in other countries is 

based on an earlier standard and does not meet U.S. requirements. 

 

Do not file an ADS

−

B code for “in” capability only. There is currently no way to indicate that an 

aircraft has “in” capability but no “out” capability. 

 

For aircraft with ADS

−

B “out” on one frequency and “in” on another, include only the ADS

−

B 

“out” code. For example, B1 or U1, (See TBL 4

−

10). 

TBL 4

−

10 

ADS

−

B Capabilities 

Capability 

Item 

10b 

Item 18 

SUR/ 

1090 ES Out Capability 

B1 

A2 

1090 ES Out and In Capability 

B2 

A2 

UAT Out Capability 

U1 

A2 

UAT Out and In Capability 

U2 

A2 

FAA Form 7233

−

4 

−

 International Flight Plan 

Appendix 4

−

9