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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 

UHF Radio 

HF Radio 

VHF Radio (8.33 kHZ Spacing) 

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 

MLS 

LPV Approach (APV with SBAS) (WAAS) 

GBAS Landing System (LAAS) 

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

 International Flight Plan