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Flyaway - new Typhoon H - 5th Flight

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Had a flyaway today during our third flight of the day (5th flight overall on the aircraft). Result is a total loss (aircraft in water). Details below:

We conducted our checklist as usual and ensured props were on correctly, batteries charged night prior, battery inserted correctly, camera guard off, OBS avoidance off, PIC deemed the aircraft structurally sound and had 19 satellites prior to takeoff. No warning messages or errors on ST16.

Person manipulating the controls pushed left stick forward to takeoff and gain altitude, then after 1 second the aircraft immediately began to fly forward and left (left roll + pitch forward) simultaneously at full speed with no input on the sticks.

Person manipulating the controls handed the ST16 over to the Pilot in command (me). By this time, the aircraft was very far away. Received "Obstacle Avoidance Failure" on ST16 screen along with heavy vibrations on ST16. I tried using right stick to gain control of the aircraft but no avail. The right stick had absolutely no effect on the path of the aircraft. (PS: Obstacle Avoidance was OFF and never turned on at any time).

As PIC, I made the command decision to shut down the aircraft so as not to fly into Class Delta airspace. Return to home was NOT initiated due to the aircrafts speed and orientation towards an active airport. There was very little time from the point where it darted off to the point where we shut it down due to its speed and relative direction towards Class D airspace/airport. The only "safe" thing to do was to shut her down as she was over water only.

Upon holding the shut down button, the rotors must have stopped as desired as the aircraft plummeted straight into the water. Unfortunately it is a total loss without possibility of recovery.

Is there a way to get the flight logs off of the ST16? Any help is appreciated. Thanks.
 
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Sorry to here about your plight, Did you have it in Smart Mode, rather than Angle Mode????
 
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Sorry for your loss, luckily the only part affected was the aircraft and no injuries or other's property damage.

If you are willing to provide the flight logs some of us could take a look and give you more insight on what the ground station recorded at the moment. However we can only interpret so much, and Yuneec would be the best to determine what happened, and if it applies, restitute your aircraft.

Greetings!
 

Steve Carr

Missed Approach
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Is there a way to get the flight logs off of the ST16?
Turn on the ST16 and then connect it to your computer using the USB charging cable. The ST16 will appear as a new drive with a strange name. Go to the internal memory and find the directory called Flightlog. Copy that to your computer. It should be a zip file once it's copied to your computer. You can upload it here.
 
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Thanks everyone. I've opened up an incident case with Yuneec. They have the logs now.

Hopefully we will have an update soon.
 

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