JohnLietzke
Second Officer
Flight distance : 3125968 ft
United States
Offline
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*** Update ***
The issue was a result of an errant VSP/Sonar Height/Downward Sensor errantly triggering. The drone's displayed height remained constant but the VSP dropped for around 35ft to 1.7ft instantly. It appears to be safe to descend below the hight of the HomePoint when with 5-50m of the HomePoint.
Thank you to everyone who helped solve the problem.
Yesterday, I tookoff from a park on a cliff about 20m above the ocean and and flew out about 30m. I attempted to descend below the level of the cliff where my HomePoint was to get some video of the seals on a rock outcropping. The Mavic Air 2 stopped about 2m above the HomePoint height and when I held down on the stick to decend it began an Auto Landing sequence. The RC started beeping along with the Landing Red cancel X appearing on the DJI Fly app. I canceled the Auto Landing.
It appears that if you are 5-50m from the HomePoint and descend to the height where the Auto Landing should engage it will do so automatically. It appears the distance and height overide the downward visions between 5-50m.
An inexperienced or multitasking operatorator my not have know what to do or noticed the Auto Landing in time to the cancel fast enough before being dunked into the ocean.
I was forturnate to have had plenty of cleance from the ocean and to have been able to take my time reacting to the Auto Landing and understanding the correlation between the RC commands and automated RTH feature. Another good thing is the Auto Landing is fairly slow and it probably did not descended more than a 1m before I canceled it.
Hopefully DJI will reduce the distance for the new RTH feature 10-15m. 50m is too far for the new RTH feature to be safe to use.
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