Assylan
lvl.1
United States
Offline
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Dear DJI officers, I am starting this thread since I didn't receive any response on my official DJI Care request submitted on June 23, 2020. I also had an extensive chat with one of your teammates around June 30-July 2 to clarify on the status of my request where I was assured that I will get a response shortly. As I mentioned, I got no feedback since then.
I lost my brave Mavic Mini on May 12, 2020, 90mi North-East of New York city. I took the drone to fly around the bank of a small mountain river (~20-25 m wide). The weather and signal were perfect. I hovered ~15-20m above the place I was standing for 1-2 min to make sure everything was under control. Seeing absolutely no issues with the drone and weather, I decided to make a pass above the river. When I was right above the middle of the river, the app suddenly told me that the drone was facing strong wind (however, I haven't felt that myself). In the next ~2 mins I did the following:
- tried to get the drone back – no luck, but for some reason the drone lost its altitude
- tried to land it on my side of the river – the drone was still standing above water, making no movement in horizontal direction, and again lost altitude
- with the drone hovering ~2 meters above the water, I decided to check if I can land it on the other side of the river. Seconds later I lost the drone
We checked both river sides in a hope that the wind that was oddly preventing the drone from moving in any horizontal direction actually blowed it toward the ground. It was getting dark and cold, and seing no luck me and my friend decided to continue our trip. A couple days later we came back, and I spent ~2hr checking the river floor near the place I lost the drone (video attached), again with no luck.
Given the circumstances (uncontrolled loss in altitude, no horizontal movement while only 10-15 m shift towards either side of the river could have saved the drone), I believe that the weather conditions there had to be extreme. And I assure you the weather was close to perfect, and being a highly risk-averse person with some understanding of drone control and aerodynamics I would never use the drone in inappropriate weather conditions. Here I use the "close to perfect" wording because I understand that the conditions at the height of 20m can differ from what the drone operator feels at the ground level. Still, I have no valid explanation to the lack of control when the drone was 2-3 meters above the water level right before I lost it.
I believe something odd was going on with drone controls. I mentioned in my request that I would like your team to check the telemetry right before the crash.
I would also appreciate if you could guide me through the next steps to get a new drone. So far I have a full, barely used Combo set of accessories that miss a drone to work with.
Kindest regards,
Assylan
https://youtu.be/lI7IG0_dLGU
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