Aircraft Suffixes

Suffix

Equipment Capability

 

NO DME

/X

No transponder

/T

Transponder with no Mode C

/U

Transponder with Mode C

 

DME

/D

No transponder

/B

Transponder with no Mode C

/A

Transponder with Mode C

 

TACAN ONLY

/M

No transponder

/N

Transponder with no Mode C

/P

Transponder with Mode C

 

AREA NAVIGATION (RNAV)

/Y

LORAN, VOR/DME, or INS with no transponder

/C

LORAN, VOR/DME, or INS, transponder with no Mode C

/I

LORAN, VOR/DME, or INS, transponder with Mode C

 

ADVANCED RNAV WITH TRANSPONDER AND MODE C (If an aircraft is unable to operate with a transponder and/or Mode C, it will revert to the appropriate code listed above under Area Navigation.)

/E Flight Management System (FMS) with DME/DME and IRU position updating
/F FMS with DME/DME position updating
/G Global Navigation Satellite System (GNSS), including GPS or Wide Area Augmentation System (WAAS), with en route and terminal capability.
/R Required Navigational Performance (RNP). The aircraft meets the RNP type prescribed for the route segment(s), route(s) and/or area concerned.
  Reduced Vertical Separation Minimum (RVSM). Prior to conducting RVSM operations within the U.S., the operator must obtain authorization from the FAA or from the responsible authority, as appropriate.
/J /E with RVSM
/K /F with RVSM
/L /G with RVSM
/Q /R with RVSM
/W RVSM