KlooGee
First Officer
Flight distance : 16783757 ft
United States
Offline
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Sorry to hear of your tumultuous flights. I hope you are able to get back up and flying soon!
In regards to your first flight and crash you mentioned in the cave..... Tight, dark spaces, with no view to the sky (especially with water beneath it) are a significant risk to drones. DJI drones have 2 main methods for positioning themselves. The first is GPS and the other is vision. In a cave, there is no view to the sky so GPS signal won't work and it is dark, so the visual positioning systems won't be able to work either. At that point, it won't be able to position itself and will likely drop into ATTI mode. If you don't have any experience flying a quad-copter in ATTI mode, you will have a difficult time controlling it. Especially in tight locations.
As was already mentioned, if you want further feedback (and not just guessing as I have done above), I'd recommend uploading your log file to the PhantomHelp site and pasting the URL here. There are many experienced members that will have a look and provide feedback based on the evidence found in the logs.
Cheers!
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