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Completing Your Equipment Sufffix

An equipment suffix provides controllers with information about your navigation capability. ATC will use this information when assigning routes, departure procedures, arrivals, and approaches so it is important to include the correct equipment suffix when filing your flight plan. Always file an equipment suffix representing the highest capability of your aircraft, even if you plan not to use that capability during the flight.

If you would like to find your equipment type suffix automatically, use our Equipment Type Suffix Selector. Otherwise, please use the information in the tables below to pick the correct equipment type suffix to file with your aircraft type.

Please see this post on our forums for more information about getting Current Navigation Data for your aircraft

Available Equipment Suffixes



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


* For simulation purposes, aircraft that are able to cruise at altitudes above FL290 may be considered RVSM capable.

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About Boston Virtual ARTCC

We are a free, immersive, and realistic air traffic control community for pilots and aviation enthusiasts. We provide air traffic control within the Boston ARTCC on VATSIM. We are not affiliated with the FAA, or the real-world Boston Center facility.

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