Any Palm OS hardware
Palm OS 3.5

Flight planning and E6b flying utilities.

Features:
* Latitude-Longitude (Great circle and Rhumb line tracks)
* Wind triangle (Hdg/Gs, Trk/Gs, W/v, Crosswind-Headwind components)
* Fuel planning (Fuel consumption, Speed-Time-Distance)
* Weight and Balance (Take off/landing weight and centre of gravity)
* Altitude-Airspeed (Density alt, Pressure alt, True alt, TAS-RAS-MACH)
* Vertical navigation (Rate of climb, Top of climb, Rate of descent, Top of descent)
* Timer (stopwatch functions)
* Utilities (Logbook totaliser, Costing, Holding patterns, Critical point, Point of no return, Sunrise-Sunset)
* On-line help