METAR decoderRead a report one group at a time, in plain English, with the exam traps named.OpenCrosswind calculatorSplit the wind along and across the runway, with the working shown.OpenTAF decoderThe forecast, read group by group like the METAR.Coming next
Density altitudePressure altitude and temperature, and what they do to the takeoff run.Coming next
Ground speedTrack, heading, wind and TAS, solved as a wind triangle.Coming next
Flight durationDistance and ground speed to time, and the fuel that goes with it.Coming next
Holding entryInbound track against the radial, and which of the three entries it gives.Coming next