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Cross-country planning tools for wind correction, heading calculation, groundspeed, and time-speed-distance problems.
Wind Correction Angle Calculator
Find WCA, true heading, and groundspeed from wind data.
OpenDigital E6B Flight Computer
All-in-one digital E6B with 8 tabs: TSD, fuel, TAS, wind, density altitude, altitude conversions, units, and off-course correction.
OpenTime-Speed-Distance Calculator
Solve for time, speed, or distance given the other two.
OpenMagnetic Variation Calculator
Convert true heading to magnetic and compass heading, with automatic variation lookup by coordinates using the NOAA World Magnetic Model.
OpenTop of Descent Calculator
Calculate your top of descent point, distance, time, and gradient from descent rate or angle, with a will-I-make-it check.
OpenRequired Rate of Climb/Descent Calculator
Find the required rate (ft/min) and gradient (ft/nm) to reach an altitude by a waypoint, with feasibility and ODP guidance.
OpenAirspace Lookup
Look up which charted airspace may exist at a location and altitude. Requires a verified airspace dataset; currently unavailable until that data is loaded.
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