AVIATION DECODER & REFERENCE
Decode aviation weather, reports and codes
Enter a METAR, TAF, NOTAM, aviation weather code or squawk code for a clear, structured explanation.
DECODERS
Common aviation reports and codes
Decode operational aviation information while keeping the original report visible for reference.
METAR Decoder
Decode wind, visibility, weather, clouds, temperature, pressure, runway visual range and trend information.
Open METAR Decoder →TAFTAF Decoder
Read terminal aerodrome forecasts as structured forecast periods, change groups and probability groups.
Open TAF Decoder →SIGMETSIGMET Decoder
Decode significant meteorological advisories, including U.S. and selected international formats.
Open SIGMET Decoder →AIRMETAIRMET Decoder
Decode Alaska and Hawaii text AIRMETs for turbulence, icing, IFR and related hazards.
Open AIRMET Decoder →PIREPPIREP Decoder
Read UA and UUA pilot reports including position, altitude, weather, clouds, turbulence, icing and wind.
Open PIREP Decoder →AIREPAIREP Decoder
Decode ARP and ARS aircraft reports into position, flight level, temperature, wind and turbulence.
Open AIREP Decoder →CWACenter Weather Advisory Decoder
Decode FAA Center Weather Advisories including validity, affected area, movement, cloud tops, gusts and hail.
Open CWA Decoder →TCATropical Cyclone Advisory Decoder
Read cyclone position, movement, central pressure, maximum wind and forecast positions.
Open TCA Decoder →VAAVolcanic Ash Advisory Decoder
Decode volcanic ash advisories including volcano, VAAC, ash height, movement and forecast ash-cloud details.
Open VAA Decoder →NOTAMNOTAM Decoder
Decode U.S. domestic and structured international NOTAMs, including Q-codes, validity and operational details.
Open NOTAM Decoder →SWXSpace Weather Advisory Decoder
Read GNSS, HF COM, SATCOM and radiation space weather advisories and forecast periods.
Open SWX Decoder →FBWinds Aloft Decoder
Decode FAA and NWS winds and temperatures aloft forecast groups into wind direction, speed and temperature.
Open Winds Aloft Decoder →WXAviation Weather Codes
Look up WMO aviation weather and cloud code meanings such as CAVOK, BKN, SHRA, TSRA, BR and FG.
Browse Aviation Codes →SSRSquawk Code Decoder
Check FAA transponder codes including 7500, 7600, 7700 and other documented special-purpose codes.
Open Squawk Decoder →BUILT FOR CLARITY
Raw aviation data stays visible
AviationDecoder separates reported values from calculated information and explanatory reference content. Unsupported groups are identified rather than silently guessed.
The goal is a fast aviation utility for pilots, dispatchers, students, enthusiasts and anyone who needs to understand coded aviation information.