AIM 

3/21/24 

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Item 18 NAV/, COM/, DAT/, and SUR/ capabilities used by FAA 

Item 

Purpose 

Entry 

Explanation 

NAV/ entries 
used by FAA 

Radius to Fix (RF) 
capability 

Z1 

RNP

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capable flight is authorized for Radius to Fix operations. 

Fixed Radius Transitions 
(FRT) 

Z2 

RNP

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capable  flight is authorized for Fixed Radius Transi-

tions. 

Time of Arrival Control 
(TOAC) 

Z5 

RNP

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capable flight is authorized for Time of Arrival Control. 

Advanced RNP (A

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RNP) 

P1 

Flight is authorized for A

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RNP operations. 

Helicopter RNP 0.3 

R1 

Flight is authorized for RNP 0.3 operations (pertains to 
helicopters only). 

RNP 2 Continental 

M1 

Flight is authorized for RNP 2 continental operations. 

RNP 2 Oceanic/Remote 

M2 

Flight is authorized for RNP 2 oceanic/remote operations. 

COM/ entries 
used by FAA 

N/A 

N/A 

The FAA currently does not use any entries in COM/. 

DAT/ entries 
used by FAA 

Capability and preference 
for delivery of pre

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depar-

ture clearance 

Priority number 
followed by: 

 

FANS 

 

FANSP 

 

PDC 

 

VOICE 

Entries are combined with a priority number, for example; 
1FANS2PDC means a preference for departure clearance 
delivered via FANS 1/A; with capability to also receive the 
clearance via ACARS PDC. 
FANS = FANS 1/A DCL 
FANSP = FANS 1/A+ DCL 
PDC = ACARS PDC 
VOICE = PDC via voice (no automated delivery) 

SUR/ entries 
used by FAA 

Req. Surveillance Perfor-
mance 

RSP180 

Aircraft is authorized for Required Surveillance Performance 
RSP180 

RSP400 

Aircraft is authorized for Required Surveillance Performance 
RSP400 

ADS

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B 

A2 

Aircraft has 1090 MHz Extended Squitter ADS

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B compliant 

with RTCA DO

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260B (complies with FAA requirements) 

A2 

Aircraft has 978 MHz UAT ADS

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B compliant with RTCA 

DO

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282B (complies with FAA requirements) 

NOTE

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1. 

Other entries in NAV/, COM/, DAT/, and SUR/ are permitted for international flights when instructed by other service 

providers. Direction on use of these capabilities by the FAA is detailed in the following sections. 

2. 

In NAV/, descriptors for advanced capabilities (Z1, P1, R1, M1, and M2) should be entered as a single character string 

with no intervening spaces, and separated from any other entries in NAV/ by a space. 

EXAMPLE

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NAV/Z1P1M2 SBAS 

Appendix 4

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6 

FAA Form 7233

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4 

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 International Flight Plan