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(LOSS OF CONTROL) after Firmware update. Mavic Zoom
493 4 2020-7-16
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SkyEye21
lvl.3
United States
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Mavic Zoom has lost total control after recent firmware update.
  • Date: 2020.07.07
  • Aircraft Firmware: v01.00.0670
  • DJI GO 4 App iOS: v4.3.37
  • DJI GO 4 App Android: v4.3.36


Specifics
:

1) Uncontrolled yaw of 35 degrees to the left and right.
2) Visual screen lag of 2 to 3 seconds
3) Distance of events 30ft to 300ft
4) (4) Events
5) No cellphone towers or electrical lines in area of disruption
4) Weather clear,  75 degrees.

Situation Not Safe, Loss of Aircraft Immenent , Aircraft Grounded

PLEASE ADVISE


2020-7-16
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Geebax
First Officer
Australia
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'2) Visual screen lag of 2 to 3 seconds'

Screen lag is perfectly normal. The video transmission method back to the the controller uses MPEG encoding, so lag is quite normal. The trouble here is that people see the lag and assume it is a fault, because there are very few systems where you can see both live action and video at the same time and make a comparison.
2020-7-16
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SkyEye21
lvl.3
United States
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Thanks for your reply, but how about the ) Uncontrolled yaw of 35 degrees to the left and right and full forward stick inputs have no response for 4  seconds
2020-7-16
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SkyEye21
lvl.3
United States
Offline

Geebax Posted at 7-16 20:24
'2) Visual screen lag of 2 to 3 seconds'

Screen lag is perfectly normal. The video transmission method back to the the controller uses MPEG encoding, so lag is quite normal. The trouble here is that people see the lag and assume it is a fault, because there are very few systems where you can see both live action and video at the same time and make a comparison.


Thanks for your reply,

but how about the Uncontrolled yaw of 35 degrees to the left and right and full forward stick inputs have no response for 4  seconds......tis is loss of control and its happened 4 times now
2020-7-16
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Labroides
Core User of DJI
Flight distance : 9991457 ft
  • >>>
Australia
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SkyEye21 Posted at 7-16 21:49
Thanks for your reply, but how about the ) Uncontrolled yaw of 35 degrees to the left and right and full forward stick inputs have no response for 4  seconds

It's very hard to tell much from your brief description.
As always, post the flight data so we can see what happened and what the problem might be.
You'll find instructions at: https://www.phantomhelp.com/LogViewer/Upload/
Upload your .txt file there and come back and post a link to the Phantomhelp report.
2020-7-16
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