6 calculators in this category
- Crosswind & Headwind Component CalculatorVector resolution; demonstrated crosswind per 14 CFR 23.2105 / CS-23A wind of "300 at 18 gusting 25" means nothing until you resolve it against the runway you intend to use. This calculator…
- Wind Correction Angle & Heading CalculatorWind triangle (law of sines solution)This calculator solves the wind triangle. Give it the true course you want to track, your true airspeed, and the wind direction…
- Ground Speed Calculator (Wind Triangle)Wind triangle (vector solution)Ground speed is the number every estimate on your flight plan rests on: time en route, fuel required, and whether you make the…
- Flight Time & ETA CalculatorICAO flight plan estimated elapsed time (Doc 4444)Time en route is distance divided by ground speed, and everything else on a flight plan hangs off it: fuel required, reserve…
- Great Circle Distance & Bearing CalculatorHaversine formula on a spherical EarthThe shortest route between two points on the Earth is an arc of the great circle through them, not the straight line on a…
- Top of Descent CalculatorRule of three / 3 degree glidepath geometryThis calculator tells you how far from the destination or crossing fix to start down, and how fast to come down once you do…