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4/20/23 

AIM 

TBL 4

Item 18. PBN/ Specifications 

(Include as many of the applicable descriptors, up to a maximum of 8 entries (not more than 16 characters). 

PBN/ 

RNAV SPECIFICATIONS 

A1 

RNAV 10 (RNP 10) 

B1 

RNAV 5 all permitted sensors 

B2 

RNAV 5 GNSS 

B3 

RNAV 5 DME/DME 

B4 

RNAV 5 VOR/DME 

B5 

RNAV 5 INS or IRS 

B6 

RNAV 5 LORAN C 

C1 

RNAV 2 all permitted sensors 

C2 

RNAV 2 GNSS 

C3 

RNAV 2 DME/DME 

C4 

RNAV 2 DME/DME/IRU 

D1 

RNAV 1 all permitted sensors 

D2 

RNAV 1 GNSS 

D3 

RNAV 1 DME/DME 

D4 

RNAV 1 DME/DME/IRU 

PBN/ 

RNP SPECIFICATIONS 

L1 

RNP 4 

O1 

Basic RNP 1 all permitted sensors 

O2 

Basic RNP 1 GNSS 

O3 

Basic RNP 1 DME/DME 

O4 

Basic RNP 1 DME/DME/IRU 

S1 

RNP APCH 

S2 

RNP APCH with BARO

VNAV 

T1 

RNP AR APCH with RF (special 
authorization required) 

T2 

RNP AR APCH without RF (special 
authorization required) 

NOTE

 

1. 

PBN Codes B1

B6 indicates RNAV 5 capability. The FAA considers these B codes to be synonymous and qualifying 

for point

to

point routing but not for assignment to the PBN routes shown in the table. 

2. 

Combinations of alphanumeric characters not included above are reserved. 

3. 

The PBN/ specifications are allowed per ICAO Doc. 4444. The FAA makes use of a subset of these codes as described 

in the section on filing navigation capability. 

(c) 

The following sections detail what capabilities need to be provided to obtain services from the FAA for

 

IFR flights (general). 

 

Assignment of Performance

Based Navigation (PBN) routes. 

 

Automated Departure clearance (via Datacom DCL or PDC). 

 

Reduced Vertical Separation Minima (if requesting FL 290 or above). 

 

Reduced Separation in Oceanic Airspace. 

(d) 

Capabilities such as voice communications, required communications performance, approach aids, and 

ADS

C, are not required in a flight plan that remains entirely within domestic airspace. 

FAA Form 7233

 International Flight Plan 

Appendix 4