Figure 1-28. Flight plan equipment codes (continued on next page).  1-31  Suffix  /X  /T  /U  /D  /B  /A  /M  /N  /P  /Y  /C  /I  /E  /F  /G  /R  /J  /K  /L  /Q  /W  Equipment Capability  NO DME  No transponder  Transponder with no Mode C  Transponder with Mode C  DME  No transponder  Transponder with no Mode C  Transponder with Mode C  TACAN ONLY  No transponder  Transponder with no Mode C  Transponder with Mode C  AREA NAVIGATION (RNAV)  LORAN, VOR/DME, or INS with no transponder  LORAN, VOR/DME, or INS, transponder with no  Mode C  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.)  Flight Management System (FMS) with DME/DME  and IRU position updating  Flight Management System (FMS) with DME/DME  position updating  Global Navigation Satellite System (GNSS),  including GPS or WAAS, with en route and  terminal capability. 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.  /E with RVSM  /F with RVSM  /G with RVSM  /R with RVSM  RVSM  FAA Flight Plan Aircraft Suffixes  A  B  C  D  E1  E2  E3  F  G  H  I  J1  J2  J3  J4  J5  J6  J7  K  L  M1  M2  M3  O  P1 - P9  R  T  U  V  W  X  Y  Z  GBAS landing system  LPV (APV with SBAS)  LORAN C  DME  FMC WPR ACARS  D-FIS ACARS  PDC ACARS  ADF  GNSS (See Note 2)  HF RTF  Intertial Navigation  CPDLC ATN VDL Mode 2 (See Note 3)  CPDLC FANS 1/A HFDL  CPDLC FANS 1/A VDL Mode 4  CPDLC FANS 1/A VDL Mode 2  CPDLC FANS 1/A SATCOM (INMARSAT)  CPDLC FANS 1/A SATCOM (MTSAT)  CPDLC FANS 1/A SATCOM (Iridium)  MLS  ILS  OmegaATC RTF SATCOM  ATC RTF (MTSAT)  ATC RTF (Iridium)  VOR  Reserved for RCP  PBN approved (see Note 4)  TACAN  UHF RTF  VHF RTF  RVSM approved  MNPS approved  VHF with 8.33 kHz channel spacing capability  Other equipment carried or other capabilities  (see Note 5)  ICAO Flight Plan Equipment Codes  Radio communication, navigation and approach  aid equipment and capabilities  “N” if no COM/NAV/approach aid equipment for the route to be  flown is carried, or the equipment is unserviceable, OR “S” if standard  COM/NAV/ approach aid equipment for the route to be flown is  carried and serviceable (see note 1), AND/OR INSERT one or more of  the following letters to indicate the serviceable COM/NAV/approach  aid equipment and capabilities available:  Any alphanumeric characters not indicated above are reserved.  Effective September 1, 2005. 