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DXB Light Aircraft Crash

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DXB Light Aircraft Crash

Old 26th May 2019, 17:23
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Unhappy

People in that hot part of the world are very keen to sweep all incidents under their very large carpet unfortunately......and they are quite often successful in doing so.
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Old 26th May 2019, 21:09
  #42 (permalink)  
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Also note the AAIB web site does not mention the accident, to a G reg A/C. Something doesn't tie up here, at least on the information available at the present time. Flight inspection is different from "normal" flying, but I would not call it outside of normal parameters (possible exception is usually a high g turn at low level after a ILS calibration run, back to the starting point) - but if flying an uncalibrated ILS as if it was a calibrated ILS, you do need a strong stomach (mine is)! I was a technical manager and seldom flew with the team, many moons ago. Such a sad loss. Like others, I wait the fianl report, assuming it is published.
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Old 26th May 2019, 21:37
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https://www.bea.aero/en/investigatio...iamond-da62-r/

Preliminary data based on the notification from the Emirati authorities:

A Diamond DA-62 aircraft, registration mark G-MDME, was involved in a fatal accident while on approach to runway 30L of Dubai International Airport for a ground navigation equipment inspection flight. Video footage showed the aircraft encountered possible wake turbulence at about 1,100 ft, following an Airbus A350, which landed on the parallel runway 30R.

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Old 27th May 2019, 10:46
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glad I got my head bitten off for suggesting wake...rip....nasty unexpected surprise when it's from a parallel runway, but it can happen..
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Old 27th May 2019, 11:11
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Originally Posted by pilotguy1222
This is is why CM’s post are a little off. If he/she had known they were working on the lights, maybe he/she could then see a possible wake encounter, especially given the wx conditions.
When I was doing the job up to 18 months ago Wake Turbulence was never an issue, because I made sure I knew where and what the traffic was that could be a problem and gave it the requisite spacing. I never once had a wake turbulence encounter whilst doing Dubai, or any other airport because I have an inbuilt fear of being scared witless. Plus, it’s better to waste 30-60 seconds at the start of a run and get it right, than have to throw it away and waste 5-10 minutes repositioning to do it again.

Every other crew I would have thought operated in the same manner.

As for the comments about the DA62 being a single pilot aircraft - UK CAA mandates two pilots during Calibration operations, in addition to the flight Inspector in the back with the electronics.

Somebody mentioned taking the aircraft out there just to do 6 runways. Again, an incorrect assumption. At least one aircraft is kept in the Middle East to service contracts in the UAE, Oman, Qatar, Bahrain, ad hoc work in Saudi and Kuwait, plus Bangladesh. At times there have been two out there working at the same time.

And it’s only a 2 1/2 day transit.

Last edited by Chilli Monster; 27th May 2019 at 11:42.
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Old 31st May 2019, 12:47
  #46 (permalink)  
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I can vouch for the above.
The aircraft was a regular visitor to Oman for calibration work.
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Old 23rd Jun 2019, 14:29
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As a few have stated, wake turbulence.

https://www.thenational.ae/uae/dubai...ident-1.878149
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Old 24th Jun 2019, 13:10
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Originally Posted by ironbutt57
glad I got my head bitten off for suggesting wake...rip....nasty unexpected surprise when it's from a parallel runway, but it can happen..
Ironbutt,
Its called "premature emasculation" and seems to be rife on this site. I thought the assumption of wake turbulence was quite valid which I based on 15 years of operating in Dubai but I guess some get sensitive about hearing what may possibly be the truth. In any case it's a sad loss for an event that could easily have been avoided based on present knowledge and technology.

I don’t however think speculation is appropriate if you’re not familiar with the nature of the operation, which is very different to most “Conventional Aviators” understanding.
Calibration operations may be different from commercial aviation but is not "unconventional aviation", IE approaches are flown and re-flown time and time again. Wake turbulence affects every type in varying degrees. I would like to think that DXB ATC will take something away from this accident but my feeling is that nothing will change. More spacing will mean less traffic/ hour and that is not in the interest of the airport operator. The EK 777 that tried the GA sans thrust initiated that GA due to becoming unstable due to wake turbulence which certainly is a contributing factor. Maybe someone in a big office somewhere with 3 pictures, dates and arabic coffee will make some changes....lets see.

Last edited by The Outlaw; 25th Jun 2019 at 01:35.
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Old 1st Jun 2020, 09:36
  #49 (permalink)  
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For those that may be interested, the GCAA has recently published their final report.

GCAA AAIS Final Report - G-MDME Diamond DA62
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Old 1st Jun 2020, 10:28
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A very sobering read.

And a very comprehensive report.
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Old 1st Jun 2020, 14:10
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2 seconds

"Within two seconds of the second vortex encounter the Aircraft was inverted at an altitude of approximately 1,170 ft above ground, over an area of unlit parkland at dusk..."

Sobering.
Gives us all some perspective in these uncertain times.
Very thorough report, credit to the investigators and RIP the crew and observer.
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Old 3rd Jun 2020, 03:08
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Originally Posted by Chilli Monster


It won’t be mine, having flown with the people concerned, flown the aircraft concerned, and done exactly the same job in Dubai (and lots of other places) with the same company.

ATC DXB are very aware of wake turbulence, so are the crews concerned. In addition the crew were incredibly experienced.

I honestly think this will be a “wait for the AAIB report” situation, long as it will be.
Any further elaboration Chilli?

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Old 3rd Jun 2020, 03:13
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Originally Posted by Chilli Monster


Ironbutt

1) This wasn’t near the top of the GS

2) Calibration flights aren’t vectored and sequenced like conventional arrivals

3) This wasn’t even to the runway in use

Take it from someone who knows - yes, conventional arrivals probably do get a little as you stated, where you stated. I don’t however think speculation is appropriate if you’re not familiar with the nature of the operation, which is very different to most “Conventional Aviators” understanding.
Any further elaboration from " someone who knows "? Also, please define and explain "Conventional Aviation", is there something I missed in aerodynamics?
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