Pilot tools
Free aviation calculators. No account needed.
Crosswind Calculator
Headwind, tailwind and crosswind components for any runway. Or load live wind from an airport's METAR.
Flight Time Calculator
Add and subtract hours and minutes for your logbook, in h:mm and decimal hours.
Block Time Calculator
Block time for each leg from off-block and on-block UTC times, across midnight, with the day's total.
Night Time Calculator
Night and day flying time between two airports from UTC block times, following the sun along the route.
ISA Deviation Calculator
ISA temperature and deviation (ISA +/−) at any flight level, or at an airport from its METAR.
Holding Pattern Calculator
Direct, parallel or teardrop entry on a live diagram, with wind-corrected headings, outbound timing and holding speeds.
Max FDP Calculator
Maximum flight duty period by start time and sectors, under EASA or FAA rules. And when the duty must end.
Kneeboard
Printable flight-note sheets: flight, call sign, pax, stand and ATIS filled in, A4 or A5, print or PDF.
Unit Converter
Distance, speed, altitude, pressure, temperature, weight, fuel, coordinates and more.
METAR Decoder
Paste a METAR or load one by ICAO code and read every group in plain English.
Aviation Abbreviations
Search 3,300+ ICAO, ATC, METAR and NOTAM contractions. Or paste a NOTAM and decode every word.