Flight mode automatically changed to Stabilize

Dear community,

I would like to understand more about the failsafe parameters in Ardupilot. I’m developing a parachute for drones which mean I need the drone (already have a protector) to fly as close as possible to the ground, sometimes in freefall speed, so the parachute can open up. Somehow, Ardupilot (v4.4.4) changes my flight mode to STABILIZE from GUIDED_NOGPS. Could someone point out, why this is happening?

Thank you for your input, suggestions, and hints.

Enjoy your week!

Post log files, and make sure your GUIDED_NOGPS location source is working. If it stops working it will need to switch to stabalize mode.

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