CessnaPerf app for iPhone and iPad

4.6 ( 7216 ratings )

Navigation Utilities
Developer: Richard Clark

Free

Current version: 2.0, last update: 1 year ago
First release : 14 Aug 2023
App size: 26.99 Mb

Uses operating handbook data to do the fiddly calculation very quickly and easily.
Enter the take off weight, QNH , field elevation, temperature, wind, and if grass or hard runway.
Results display gives TOD in metres, including a 1.25 factor.
Source data available in the app to enable a cross check with your handbook data.
Results time-out after an hour to force recalculation incase conditions change.
All figures are for a level runway and using manufacturers take-off technique.