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Phantom 4 flyaway
1290 19 2016-10-11
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damasceno.catar
lvl.1

Tanzania
Offline

Hi,

Lost video connection with my Phantom 4 and aircraft got disconnected so now I have no idea where it is and how to find it.

Was trying to report the case but stupid me never cared about saving the S/N so not sure how I can report it.

Any help?

Thanks.


2016-10-11
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DJI-Paladin
DJI team
Flight distance : 2408 ft

Hong Kong
Offline

Hello, sorry to hear about your situation, please sync your flight record firstly and then send an e-mail to support@dji.com with the info when it happened and your DJI account username, we will help you analyze it and deal with this case.
Here is the tutorial about how to sync your flight records:
2016-10-11
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labroides
Captain
Flight distance : 9991457 ft
Australia
Online

Go to http://www.phantomhelp.com/LogViewer/Upload/
Follow the instructions to upload your flight record.

Come back and post a link to the report it provides and someone might be able to analyse it and give you a likely location to search.

If you still have the box the Phantom came in, you'll find the serial numbers on the sticker with the bar code.
2016-10-11
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DJI Mindy
Administrator
Flight distance : 7 ft
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Sorry for your loss.
After sync, please send your DJI account email and the date this occurred to our tech support.
They will help to analyze the data.
2016-10-11
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Geebax
Captain
Australia
Online

DJI Mindy Posted at 2016-10-12 18:29
Sorry for your loss.
After sync, please send your DJI account email and the date this occurred to ou ...

Yes, but will you tell him where his aircraft is?
2016-10-12
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Dr AJ
lvl.2

United Kingdom
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How did you lose video connection and how did aircraft get disconnected? did you run out of battery or did you fly too far out?
2016-10-12
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damasceno.catar
lvl.1

Tanzania
Offline

labroides@yahoo Posted at 2016-10-12 10:12
Go to http://www.phantomhelp.com/LogViewer/Upload/
Follow the instructions to upload your flight rec ...

http://www.phantomhelp.com/LogViewer/CPRR9IZC70KG87J3TX8V/

Here is the link, unfortunately the box is long gone..

Thanks for the help
2016-10-12
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bayguy69
Second Officer
Flight distance : 944275 ft
Puerto Rico
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Dr AJ Posted at 2016-10-12 04:57
How did you lose video connection and how did aircraft get disconnected? did you run out of battery  ...

That's the same I was thinking.
2016-10-12
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damasceno.catar
lvl.1

Tanzania
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Dr AJ Posted at 2016-10-12 11:57
How did you lose video connection and how did aircraft get disconnected? did you run out of battery  ...

Had 23% battery left, wasn't too far from the aircraft but I was on the move (on a boat)  but apparently there is a military area nearby so not sure if that might have caused this issue
2016-10-12
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labroides
Captain
Flight distance : 9991457 ft
Australia
Online

damasceno.catar Posted at 2016-10-12 20:08
Had 23% battery left, wasn't too far from the aircraft but I was on the move (on a boat)  but appa ...

If you were on a boat and nearby, there should have been a clear line of sight to the Phantom where the signal was lost which was only 30 metres inland from the beach at 6.71224864S  39.23360288E .. See the picture.
I'm a little puzzled why you were getting a few short breaks in the video signal but that probably doesn't matter.

The big issue is that your Phantom thought that it was 3.5 kilometres from home and in an RTH situation, that is where it would have tried to go to.
However, there is no sign of RTH until 19:03 at 25% battery when you regained signal after a 9 second lapse.  The Phantom starts returning toward the recorded home point.
it only travels 145 metres north before the flight record ends with the Phantom at 100 feet altitude.
There's no record of any crash ... the record just stops.
It appears that RTH as cancelled 1 second before the flight record stops.
Battery level is 23% and 14.6 volts - not enough to go back to the launch point.
It's uncertain what happens after this point.
If it was still in RTH it would have continued north until 10% and landed but RTH was cancelled.
There's no indication of any problem due to a military base.

When you are a long way from home on a moving boat, you must reset the Phantom's home point so the Phantom doesn't try to go all the way back.
Tanzania.jpg
2016-10-12
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Dr AJ
lvl.2

United Kingdom
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damasceno.catar Posted at 2016-10-12 10:08
Had 23% battery left, wasn't too far from the aircraft but I was on the move (on a boat)  but appa ...

You flew near a military area? What if there was low flying training going on?
2016-10-12
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wmcvey
First Officer
Flight distance : 904364 ft
United States
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damasceno.catar Posted at 2016-10-12 05:08
Had 23% battery left, wasn't too far from the aircraft but I was on the move (on a boat)  but appa ...

What was your RTH setting at ? Hover, RTH or land ??
Also within the Go app you can play back the flight, and it will show you the last know cords at signal loss.

2016-10-12
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calls4u2
Second Officer
Flight distance : 211604 ft
United Kingdom
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I read it as being same place Labroides mentions, from the speed, pitch and roll changes at the time it disappeared I'd guess at maybe a bird strike (then losing battery) or someone shot it? Looks too high for someone to hit it with a hosepipe!

Definitely take a look around the area mentioned above, it's there somewhere.

Labroides, is it normal for the drone to suddenly switch out of RTH mode to P-GPS?
2016-10-12
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labroides
Captain
Flight distance : 9991457 ft
Australia
Online

calls4u2 Posted at 2016-10-13 08:21
I read it as being same place Labroides mentions, from the speed, pitch and roll changes at the time ...

"it normal for the drone to suddenly switch out of RTH mode to P-GPS"
It is if you cancel RTH by pushing the button on the controller or the X on the screen.
2016-10-12
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calls4u2
Second Officer
Flight distance : 211604 ft
United Kingdom
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labroides@yahoo Posted at 2016-10-12 22:23
"it normal for the drone to suddenly switch out of RTH mode to P-GPS"
It is if you cancel RTH by p ...

That's the only thing I could think of, doesn't look like movement of sticks during that time so was wondering about the sudden pitch change though, or maybe just affect of braking coming out of RTH? Still odd that it just stops there.
2016-10-12
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Dan002
lvl.4
Flight distance : 89603 ft
United States
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DJI Mindy Posted at 2016-10-12 03:29
Sorry for your loss.
After sync, please send your DJI account email and the date this occurred to ou ...

Kick Ass--great movie.
2016-10-12
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Geebax
Captain
Australia
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Dr AJ Posted at 2016-10-13 06:30
You flew near a military area? What if there was low flying training going on?

Who said it was an air base? Military can mean naval or army as well.
2016-10-12
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Aardvark
Captain
Flight distance : 384432 ft
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United Kingdom
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Geebax Posted at 2016-10-12 23:19
Who said it was an air base? Military can mean naval or army as well.

So it could be Army or Navy....
2016-10-12
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damasceno.catar
lvl.1

Tanzania
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Dr AJ Posted at 2016-10-12 22:30
You flew near a military area? What if there was low flying training going on?

It's a military camp, no flights happening in this area
2016-10-12
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damasceno.catar
lvl.1

Tanzania
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labroides@yahoo Posted at 2016-10-12 13:28
If you were on a boat and nearby, there should have been a clear line of sight to the Phantom where ...

Thank you for your help
2016-10-12
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