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Flight calculations for fixed-wing, glider and helicopter pilots, pre-flight and en-route, by day and night.

Includes sunrise/sunset, moonrise/moonset/illumination, distance and course between aerodromes, wind/course/heading/groundspeed, crosswinds, course correction, time-to-target, fuel quantity + endurance, airspeeds, top-of-descent, critical point, PNR, Latest Safe Diversion, climb gradient, glide distance, pressure + density altitudes, cloudbase, aviation unit conversions, reference material and much more.

Includes >5000 international and user-defined aerodromes, with direct links to Google Earth and weather (Internet connection required). Full international aviation units support.