Why
A drone may hold position in a strong wind yet lack enough speed or battery to fly home against it. Wind normally increases with altitude, and gusts matter more than the average. Small sub-250 g drones are particularly easy to displace.
What to do next
- 01Check average wind and gusts at the intended altitude, not only at ground level.
- 02Begin by flying into the wind so the return leg has a tailwind.
- 03Set an earlier battery turnaround point and keep a nearby landing option.
- 04Land if the aircraft tilts heavily, groundspeed falls, or high-wind warnings appear.
Important exceptions
- Published resistance may use a “Beaufort level” rather than a precise operational limit.
- Urban turbulence near roofs and cliffs can exceed a general forecast.
- Never use the calculator as a substitute for the aircraft manual or local conditions.
Safety note: Aircraft behaviour varies by model, firmware and configuration. For legal or safety-critical decisions, use the current manual and official aviation authority guidance.