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Lost Mavic Air today..!! Will DJI give replacement.?
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17114 44 2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Hi there,

It was a bad day. I have flown my aircraft to shoot one of the waterfalls in my country India. The weather was good and i don't have any warnings during take off. So I have started to aircraft.

When the aircraft is 102m.  I lost control over my drone due to high wind velocity. Then I hit return to home. The I got a message saying that it's returning home point. After few seconds its started to notify backward and forward sensing is not functioning. After 2 mins I can't able to see my drone.

Then I have taken my flight record and went to the aircraft missing coordinates. Searched more than 4 hours. It was not my day and I don't have any luck.

I have uploaded the flight record details in the DJI problem report option.
Screenshot_20180818-123345.jpg
2018-8-18
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DJI Paladin
Administrator
Flight distance : 318 ft

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I'm sorry to read the flyaway. Please contact our support team and start a case first: (https://www.dji.com/support?site=brandsite&from=nav). I would recommend you forward your flight records to our support for further analysis. You can provide your case number here in case you need further assistance.  

2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Hi..I have sent the flight record logs to the team. Also sent mails to customer support of Europe and US.
2018-8-18
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jacksonnai
Captain
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Sorry to read that
2018-8-18
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nixuspix
Captain
Flight distance : 2864974 ft
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Latvia
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Can You post your flight record log here as well, to be able to try to understand, what might have been happened to your drone?
2018-8-18
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GDL
First Officer
Flight distance : 2768694 ft
Hong Kong
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You should switch to sport mode if have high wind and fly back manually. RTH unable to handle strong wind. Sport mode able to handle higher wind. As the drone is close to you in hundred meters. It’s safer to handle manually.
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Within two minutes...the drone was flying away. It's totally out of control with my Remote. It's not listening any remote operation.
2018-8-18
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DJI Paladin
Administrator
Flight distance : 318 ft

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djiuser_x6V0Rm3wrzq5 Posted at 2018-8-18 02:22
Hi..I have sent the flight record logs to the team. Also sent mails to customer support of Europe and US.

Do you have a case number already? If yes, kindly provide your case number here so that I can check it on my end. Thanks.
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Hi..I have reported this with the problem section of DJI app. I didn't get case Id for that. But for customer support mail. I got some ticket no.
20180818_165046.jpg
2018-8-18
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Bob Brown
Captain
Flight distance : 4209662 ft
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United States
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Sorry for your loss... I too have lost an AC in the past and it sucks. No closure on the loss either really if not found. You must find the drone... without it there is nothing to exchange so without it I would say a definite no. If you do find it and send it in, I am sure somehow this will be a pilot error. I am guessing you did not have satellite connections; the typical for most.

Good luck!
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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What if the sensors and radar are not prone to handle those factors and it's malfunctioneddue to those factors. Obviously there is no pilot error that case. It throws forward and backward sensor are not functioning and exit the system. Well I guess expert also can't handle such cases.
2018-8-18
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DJKOR
Second Officer
Flight distance : 2035676 ft
Australia
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Sorry for your loss. It does reinforce the importance of flying within line of sight. Although there are lots of people (myself included) that will fly beyond this range, you can't simply just rely on the onboard systems to keep you out of trouble. It's like driving aids. No amount of auto-braking and blind spot/lane detection will replace safe driving skills.
2018-8-18
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InvisibleName 7
Captain
Flight distance : 795653 ft
United Kingdom
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High winds
Reliance on RTH
Inexperienced pilot....
Sorry but your loss of drone was self inflicted

By the way, the sensors are automatically turned off when the Mavic is tipping forward to fight against a wind to stop inaccurate readings
2018-8-18
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Paul_IA
Captain
Flight distance : 4959019 ft
United States
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Unless the logs show a hardware error, DJI won't replace the drone. I think in your case you appear to have been flying in wind beyond what the drone could handle and that will be labeled "pilot error" by DJI. Hard lesson I know, but hopefully you will replace the drone and keep flying.
2018-8-18
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S.D. Pilot
Captain
Flight distance : 10278435 ft
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United States
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InvisibleName 7 Posted at 2018-8-18 04:16
High winds
Reliance on RTH
Inexperienced pilot....

Totally agree.
2018-8-18
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M2Wair
Captain
Flight distance : 1192231 ft
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Ireland
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Sorry to say, but pilot error
2018-8-18
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S.D. Pilot
Captain
Flight distance : 10278435 ft
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United States
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"I lost control over my drone due to high wind velocity. Then I hit return to home. The I got a message saying that it's returning home point."







High winds? - You must have ignored the pop-up alerts. (signal to then adjust your flight plan)


RTH - never, ever ever just rely on auto-RTH - learn how to fly manually. There's a very high probability you could've saved the drone. I'm talking from experience as I've had several 'almost lost situations' but managed to fly it back to the home point.






Take it as an expensive learned lesson when you get another drone. It'll be interesting to see your actual flight log.



2018-8-18
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Oracle Miata
Captain
Flight distance : 3759829 ft
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United States
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I am sorry for your loss, but this will probably go down as an expensive lesson.  Always hone your skills and study the flight manual before attempting difficult flights.
2018-8-18
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Anthony566
First Officer
Flight distance : 2488944 ft
United Kingdom
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Sports mode and drop your hight as much as you can to reduce the wind speed impact. Fingers crossed you manage to find it.
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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I have managed to land it in safer way during my last flights. Even it was very far way in Bali island's. But this one was nightmare. I couldnt do anything over the drone. My RTH was useless and my RemotecontrolLer was not respondingto reduce the heights. I can only see it could not able to position properly. It went away with the winds. Sorry I could not able to attach the flight logs in my mobile. Once i reach home. I will definitelydo it. So that we can have proper insights what went wrong.
2018-8-18
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S.D. Pilot
Captain
Flight distance : 10278435 ft
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United States
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From your first screen shot, image, it looks like you still had 18 satelites and was 602 meters from your RC.

602 meters is approx. 1975 feet which really isn't that far from the RC. I've my MA almost 4000 feet from the RC and still had a connection.

Did you check the wind conditions during your pre-flight inspections?

Did you switch RC to Speed mode once you got the first warning about high winds?
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Out of curiosity...why there is no flight record detail till the landing. As we have seen 18 satellite's were connected. Why DJI is not
Storing any data? . It just disappeared from the altitude of 117m.?? We have tried connect the drone from the missing coordianates after 10 mins. No luck.
2018-8-18
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gnirtS
Captain
Flight distance : 5712575 ft
United Kingdom
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Looks like 100% operator error.  Flying in windy conditions, not being aware of the conditions and performing the wrong action (hitting RTH) when things went wrong.
The forward and backward errors would be due to the over-pitch as the poor thing fought and failed the wind.

There's no way DJI are going to replace this.  There's no way DJI *SHOULD* replace this.

Operator error, an expensive mistake.

Try searching downwind of that last location if you can get the exact wind direction.

2018-8-18
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Lucas775
Captain
Flight distance : 50642090 ft
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United States
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Put your flight log here, many eyes can look at it and help you where the problem started.
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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I don't want defend on the point of pilot error. My only question is...why I can't able to see flight record information.?? As we seen the satellite connection were good. I was searching the drone with the downwind direction. Nearly 4 hours has been spend on that missing coordinates. Sometimes you need to be there in the real situations. That makes lot of sense. Instead of pointing 100% pilot error.
2018-8-18
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Lucas775
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djiuser_x6V0Rm3wrzq5 Posted at 2018-8-18 07:08
I don't want defend on the point of pilot error. My only question is...why I can't able to see flight record information.?? As we seen the satellite connection were good. I was searching the drone with the downwind direction. Nearly 4 hours has been spend on that missing coordinates. Sometimes you need to be there in the real situations. That makes lot of sense. Instead of pointing 100% pilot error.

You have the remember the coordinate are not accurate, they could be 60 feet off.  Keep looking around.  It happened to me, I found my drone about 120 feet from where the coordinates shows.  It could be upside down also, that will make it difficult to see.
2018-8-18
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djiuser_x6V0Rm3wrzq5
lvl.1
Flight distance : 169137 ft
India
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Lucas775 Posted at 2018-8-18 07:04
Put your flight log here, many eyes can look at it and help you where the problem started.

I will be uploading asap.... couldn't do it through my mobile.

The missing coordinates shows the aircraft altitude 117m. There comes lot of possibilities. We have searched more than 200 meters of perimeter.
2018-8-18
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Lucas775
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djiuser_x6V0Rm3wrzq5 Posted at 2018-8-18 07:13
I will be uploading asap.... couldn't do it through my mobile.

The missing coordinates shows the aircraft altitude 117m. There comes lot of possibilities. We have searched more than 200 meters of perimeter.

Trust me the drone is there.  That is all I can say or maybe since you are shooting waterfalls it could have ended in the water.
2018-8-18
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DJI Susan
Administrator
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djiuser_x6V0Rm3wrzq5 Posted at 2018-8-18 03:24
Hi..I have reported this with the problem section of DJI app. I didn't get case Id for that. But for customer support mail. I got some ticket no.

There might be some delay due to the weekend, the team will take care of it and we'll keep an eye on the status as well.
2018-8-18
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davidmartingraf
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Flight distance : 84805085 ft
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That's a hard flight to say why the end result happened. Hopefully DJI Support will steer you in the right direction and get you back in the air soon. Best of luck.
2018-8-18
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davidmartingraf
Captain
Flight distance : 84805085 ft
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That's a hard flight to say why the end result happened. Hopefully DJI Support will steer you in the right direction and get you back in the air soon. Best of luck.
2018-8-18
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Atlas_Aus
First Officer

Thailand
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GDL Posted at 2018-8-18 02:53
You should switch to sport mode if have high wind and fly back manually. RTH unable to handle strong wind. Sport mode able to handle higher wind. As the drone is close to you in hundred meters. It’s safer to handle manually.

Hi, that's a good tip, thanks for sharing.

Sorry for your loss mate, hope you can find it.
2018-8-18
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Prakasam D
lvl.1
Flight distance : 163671 ft
India
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Is the Flight record content is readable? Looks like object file. Also we could not able to upload as it says server IO error.
2018-8-18
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Prakasam D
lvl.1
Flight distance : 163671 ft
India
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http://www.phantomhelp.com/LogViewer/SCSNP508NOLDOVKZ9K9R/#

Here is the DJIFlight Record for more information. PLease share you comments after checking this info.

Why there is no Record after 117m?? It just disappeared from that location. It was nightmare for us.
2018-8-19
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Cindav
lvl.3
Flight distance : 108140 ft
Australia
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Again.

Why can’t DJI program  RTH to come home regardless of winds

Why can’t the drone sort of engage a semi sports mode the help stronger winds.

Let the drone see the distance is getting greater in RTH, and let it apply more power than when it’s in normal mode
2018-8-19
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Prakasam D
lvl.1
Flight distance : 163671 ft
India
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After 2 minutes of Flight, we have realized that the drone not listening to our RC. irrespective of the mode. It just went with the wind and our only concern is why it has not sent the GPS.  At least we could try to locate the drone by searching. But it just lost nowhere. There comes the more possibility search operation.

This could happen to anyone where nature will take control over us anytime. We cant predict the wind 100%. Its like a mystery where that drone end up.??
2018-8-19
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G_Sig
Captain
Flight distance : 9109311 ft
Iceland
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Prakasam D Posted at 2018-8-19 02:40
After 2 minutes of Flight, we have realized that the drone not listening to our RC. irrespective of the mode. It just went with the wind and our only concern is why it has not sent the GPS.  At least we could try to locate the drone by searching. But it just lost nowhere. There comes the more possibility search operation.

This could happen to anyone where nature will take control over us anytime. We cant predict the wind 100%. Its like a mystery where that drone end up.??

Sorry for your lost drone.
The reason you don't get GPS is that you have lost connection to the drone.
It was fighting the wind as it could but drifted up to 30 km/h backwards so not even sportmode would have done anything more than holding position.
https://app.airdata.com/share/vTiTwy


2018-8-19
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G_Sig
Captain
Flight distance : 9109311 ft
Iceland
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G_Sig Posted at 2018-8-19 03:27
Sorry for your lost drone.
The reason you don't get GPS is that you have lost connection to the drone.
It was fighting the wind as it could but drifted up to 30 km/h backwards so not even sportmode would have done anything more than holding position.

Under notifications in Airdata is a flight player to replay the flight with all warnings on screen.
2018-8-19
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gnirtS
Captain
Flight distance : 5712575 ft
United Kingdom
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Prakasam D Posted at 2018-8-19 02:40
After 2 minutes of Flight, we have realized that the drone not listening to our RC. irrespective of the mode. It just went with the wind and our only concern is why it has not sent the GPS.  At least we could try to locate the drone by searching. But it just lost nowhere. There comes the more possibility search operation.

This could happen to anyone where nature will take control over us anytime. We cant predict the wind 100%. Its like a mystery where that drone end up.??

Thats why you need to engage brain when flying.  If it warns of wind, it means its windy. You need to monitor the speeds its doing in which directions and everything else.
You don't need "100% certainty".  You simply need to be aware and fly accordingly and not blindly rely on automated systems.
Those wind speed numbers are 2-3x the maximum it can cope with.  Even full power in sport mode tha drone is still going to be going backwards.
With hindsight in conditions like that, not flying at all would be the correct choice.

Its a wooded area, most likely it lost contact when trees blocked the LOS between you and it hence losing it.

Given the wind speed it could drift a substantial distance down wind before hitting critical battery and landing.  You need to search downwind but it could be a long way by the time it force landed.

Theres no way DJI will help you out here.  The log merely highlights exactly how not to conduct a drone flight.  Unfortunately you've made an expensive mistake.  
DJI will only get involved if it shows a clear hardware fault and everything here shows the drone behaving completely normally with no faults.


2018-8-19
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Martinbussen
lvl.1
Flight distance : 272930 ft

Sweden
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High wind...?
What is the max wind that Mavic air can handle?
2020-1-20
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