Uploaded October 2015 | Updated September 2026, 1 week ago

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Note: this issue is fixed in Copter-3.3.1 (and higher).
The sequence of events that caused the bug (and subsequent) crash in Copter-3.3 was:
1. Transmitter throttle at zero
2. Arm from the ground station
3. Take-off but then immediately disarm
4. Arm again (vehicle takes off!)
5. Switch to Follow-Me, Auto, Guided

The work-around until Copter-3.3.1 is released is to do one of the following:
1. leave the transmitter throttle above zero when using Guided mode
AND/OR
2. don't abort a takeoff. If you do, you can recover by changing the flight mode.