I am using an APM 1.x with IMU, GPS and Triple Axis Magnetometer with a quadri-copter. I have problem for getting loiter mode or automatic mode working with my APM but not with the APM of a friendSteps for reproducing the issue1. I upload firmware and ArduCopter configuration to my APM2. When switching in automatic mode, I loose control of the copter and it crashes. I cannot switch back to manual mode during flight3. I replace the APM with another one from the same hardware release.4. I upload…See More