OptionalaircraftICAO aircraft type designator (from /TP field, e.g. "C172", "B738").
OptionalaltitudeFlight level or altitude in feet MSL (from /FL field). FL085 = 8500 ft.
OptionalaltitudeQualifier for special altitude values in the /FL field.
UNKN - altitude unknownDURD - during descentDURC - during climbOptionalicingIcing reports, one per layer (from /IC field).
OptionallocationLocation of the observation (from /OV field).
The original raw PIREP string as provided to the parser.
OptionalremarksFree-text remarks (from /RM field).
OptionalskySky condition cloud layers (from /SK field).
OptionaltemperatureOutside air temperature in degrees Celsius (from /TA field).
OptionaltimeTime of the observation in UTC (from /TM field).
OptionalturbulenceTurbulence reports, one per layer (from /TB field).
Type of pilot report (routine or urgent).
OptionalvisibilityFlight visibility (from /WX field).
OptionalweatherWeather phenomena observed (from /WX field).
OptionalwindWind direction and speed (from /WV field, direction is magnetic).
A parsed Pilot Report (PIREP).
PIREPs are filed by pilots to report weather conditions encountered in flight. They use a slash-delimited field format with standardized field markers (e.g. /OV, /TM, /FL, /TP, /SK, /WX, /TA, /WV, /TB, /IC, /RM).