AIM 

4/20/23 

(e) Voice Communication Capabilities (Item 10a) 

The FAA does not require indication of voice communication capabilities in a flight plan for domestic flights, 

but it is permissible. For flights outside the domestic United States, all relevant capabilities must be indicated 

as follows (See TBL 4

−

11): 

TBL 4

−

11 

Voice Communication Capabilities 

Capability 

Item 10a 

VHF Radio 

V 

UHF Radio 

U 

HF Radio 

H 

VHF Radio (8.33 kHZ Spacing) 

Y 

ATC SATVOICE (INMARSAT) 

M1 

ATC SATVOICE (Iridium) 

M3 

(f)

 Approach Aid Capabilities (Item 10a). 

The FAA does not require filing of approach aid capability in order to request a specific type of approach, 

however any of the codes indicated in TBL 4

−

12 in 10a are permissible. 

 

International flights may be required to indicate approach capability, based on instructions from 

relevant service providers. 

TBL 4

−

12 

Approach Aid Capabilities 

Capability 

Item 10a 

ILS 

L 

MLS 

K 

LPV Approach (APV with SBAS) (WAAS) 

B 

GBAS Landing System (LAAS) 

A 

6. 

Performance

−

Based Navigation Routes (Item 10a, Item 18 PBN/, Item 18 NAV/)

−

 When planning to fly 

routes that require PBN capability, file the appropriate capability as shown in TBL 4

−

13. 

Appendix 4

−

10 

FAA Form 7233

−

4 

−

 International Flight Plan