Index   289 -- Page 290 -- 291

AIM                                                                                                               12/10/15



    3. When filing an IFR flight plan, identify the                 identification.
equipment capability by adding a suffix, preceded by                      4. It is recommended that pilots file the
a slant, to the AIRCRAFT TYPE, as shown in                          maximum transponder or navigation capability of
TBL 5-1-3, Aircraft Suffixes.                                       their aircraft in the equipment suffix. This will
NOTE-                                                               provide ATC with the necessary information to utilize
1. ATC issues clearances based on filed suffixes. Pilots            all facets of navigational equipment and transponder
should determine the appropriate suffix based upon                  capabilities available.
desired services and/or routing. For example, if a desired
                                                                         5. When filing an IFR flight plan via telephone
route/procedure requires GPS, a pilot should file /G even
if the aircraft also qualifies for other suffixes.                  or radio, it is highly recommended that the departure
                                                                    airport be clearly identified by stating the city name
2. For procedures requiring GPS, if the navigation system           and state and/or airport location identifier. With cell
does not automatically alert the flight crew of a loss of GPS,      phone use and flight service specialists covering
the operator must develop procedures to verify correct GPS          larger areas of the country, clearly identifying the
operation.                                                          departure airport can prevent confusing your airport
3. The suffix is not to be added to the aircraft identification     of departure with those of identical or similar names
or be transmitted by radio as part of the aircraft                  in other states.


                                                             TBL 5-1-3
                                                 Aircraft Equipment Suffixes

                                     Navigation Capability               Transponder Capability       Suffix
 RVSM                                No GNSS, No RNAV                    Transponder with Mode C      /W
                                     RNAV, No GNSS                       Transponder with Mode C      /Z
                                     GNSS                                Transponder with Mode C      /L

 No RVSM                                                                 No Transponder               /X
                                     No DME
                                                                         Transponder with no Mode C   /T
                                                                         Transponder with Mode C      /U
                                                                         No Transponder               /D
                                     DME
                                                                         Transponder with no Mode C   /B
                                                                         Transponder with Mode C      /A
                                                                         No Transponder               /M
                                     TACAN
                                                                         Transponder with no Mode C   /N
                                                                         Transponder with Mode C      /P
                                                                         No Transponder               /Y
                                     RNAV, no GNSS
                                                                         Transponder with no Mode C   /C
                                                                         Transponder with Mode C      /I
                                                                         No Transponder               /V
                                     GNSS
                                                                         Transponder with no Mode C   /S
                                                                         Transponder with Mode C      /G




5-1-12                                                                                                           Preflight