How each part of DroneChecker's fly rating works, in more depth than the app has room for.
Ground-level wind is not what your drone flies in. Speed and direction at three working heights, plus gusts at 10m.
Live KP data from NOAA's Space Weather Prediction Center, and what each level means for GPS accuracy and compass drift.
Astronomically precise golden hour, blue hour, sunrise and sunset times calculated from your GPS coordinates — no internet required.
A free weekly notification naming your best weekend window, and configurable multi-location alerts on Plus.
Every flight recorded with the conditions filled in automatically, plus Excel export and cloud sync on Plus.
Places other UK pilots have flown, with photos, reviews and access notes.