AN-124 in trouble

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AN-124 in trouble

#1 Post by ricardian » Fri Nov 13, 2020 2:41 pm

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Re: AN-124 in trouble

#2 Post by TheGreenGoblin » Fri Nov 13, 2020 4:08 pm

Comprehensively destroyed Lotarev D-18T Engine.

AN-124.JPG
AN-124.JPG (26.65 KiB) Viewed 567 times
D-18T Series 3.JPG
Not the first time an uncontained failure of one of these engines has occurred.

https://www.aircargonews.net/airlines/f ... d-failure/
Ukrainian authorities have ordered Antonov An-124 operators to inspect engines on the type after an uncontained powerplant failure.

An-124s are fitted with Ivchenko-Progress D-18T engines, as is the sole example of the An-225.

The Ukrainian state aviation administration says an investigation into the “serious incident”, which occurred to an An-124, traced the failure to destruction of the second-stage disk in the intermediate pressure compressor.

It has not specified the incident which prompted the directive, but it has instructed operators to carry out a one-time inspection of the disks in all D-18T series 3 powerplants.

The directive, which takes effect from 25 March, is an interim measure, says the administration, and further corrective measures are set to be developed.

Operators must conduct the eddy-current inspection of disk dovetails within six months, it adds, and send the results to the manufacturer, Motor-Sich, as well as Ivchenko-Progress. If cracks are detected, the engine must be removed for corrective action.
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Re: AN-124 in trouble

#3 Post by TheGreenGoblin » Fri Nov 13, 2020 4:27 pm

https://aviation-safety.net/database/re ... 20201113-0
An Antonov An-124-100 suffered a runway excursion after an emergency return to Novosibirsk-Tolmachevo Airport (OVB), Russia.

The An-124, registration RA-82042, operated on Volga-Dnepr flight 4066 from Seoul-Incheon Airport in South Korea to Vienna-Schwechat Airport in Austria with an en route stop at Novosibirsk-Tolmachevo Airport, Russia. The aircraft arrived at Novosibirsk on November 12 at 17:39 hours local time.

The following day, the aircraft was prepared for the continuing flight to Vienna. The aircraft took off from runway 25 at 12:09 hours local time (05:09 UTC). During takeoff, the no.2 engine (Lotarev D-18T) suffered an apparent uncontained failure. The flight crew performed a low altitude turn for a landing back on runway 25.

The aircraft suffered a runway excursion and the nose landing gear collapsed.
Landing a fully loaded An-124 after a low altitude problem like this must be somewhat stimulating for the pilots! The overrun is probably forgivable under the circumstances.
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Re: AN-124 in trouble

#4 Post by ian16th » Fri Nov 13, 2020 4:49 pm

Didn't even dump and fuel!!
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Re: AN-124 in trouble

#5 Post by ribrash » Fri Nov 13, 2020 5:36 pm

There is a vid on the Daily Fail filmed by a Russian drunken drunk.Load of crap as it showed nothing.

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Re: AN-124 in trouble

#6 Post by tango15 » Fri Nov 13, 2020 8:11 pm

Well it looks a bit of a mess and I reckon from the photos I've seen, that there's some serious structural damage there. Presumably it was carrying a significant load. If it's a write-off, I think that Messrs Antonov may be able to build another one for a not a lot of $, relatively speaking!

Chopping it up (or repairing it), won't be a huge amount of fun. iirc, there is no serious hangarge in OVB and winter is on its way...

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Re: AN-124 in trouble

#7 Post by Ex-Ascot » Sat Nov 14, 2020 8:44 am

He seems to have done a good job. Been there a couple of times but kept the aircraft on the runway!
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Re: AN-124 in trouble

#8 Post by Pinky the pilot » Sat Nov 14, 2020 9:38 am

Wonder how you would say 'Oh *****, that won't buff out!' in Russian. :-\
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Re: AN-124 in trouble

#9 Post by tango15 » Sat Nov 14, 2020 11:29 am

Pinky the pilot wrote:
Sat Nov 14, 2020 9:38 am
Wonder how you would say 'Oh *sh*t*, that won't buff out!' in Russian. :-\
Something along the lines of "О, ЧЕРТ, МЫ НЕ МОЖЕМ ЧИСТИТЬ" swiftly followed by "передай мне еще водку сергей" (pass me another vodka Sergei") :-s

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Re: AN-124 in trouble

#10 Post by ricardian » Sat Nov 14, 2020 7:58 pm

tango15 wrote:
Fri Nov 13, 2020 8:11 pm
Presumably it was carrying a significant load.
84 tons of auto parts
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Re: AN-124 in trouble

#11 Post by PHXPhlyer » Sat Nov 14, 2020 8:43 pm

G-CPTN:
Need to zoom out a little.
7 - 25 and 16 - 34

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Re: AN-124 in trouble

#12 Post by PHXPhlyer » Sat Nov 14, 2020 8:52 pm

The Aviation Herald report with videos of approach, landing and, overrun.

http://www.avherald.com/h?article=4df212c7&opt=0

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Re: AN-124 in trouble

#13 Post by TheGreenGoblin » Sun Nov 15, 2020 5:46 am

In a videotaped interview the captain of the flight reported that the #2 engine (inboard left) blew up at about 1000 feet AGL (300 meters above ground) just after gear retraction with flaps still extended for takeoff, debris damaged the aircraft's cabling and took out all electrical supply resulting in the loss of all electrical systems including instruments, brakes, thrust reversers etc. The aircraft remained controllable despite all electricity gone and all communication, even intercom having failed, lost. The crew attempted to establish visual contact with tower, however, without success, and proceeded to land on runway 25 with very little margin due to low altitude and engine thrust. After a smooth touchdown the overrun was unavoidable due to the loss of brakes, spoilers, thrust reversers.
Crew deserves a medal.

Shrapnel right through the aircraft.
right through.JPG
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Re: AN-124 in trouble

#14 Post by Ex-Ascot » Sun Nov 15, 2020 8:41 am

Incredible. Bet the guy is old school. The kids these day wouldn't know what the hell to do with that stick in front of them.
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Re: AN-124 in trouble

#15 Post by TheGreenGoblin » Sun Nov 15, 2020 9:55 am

I wonder if the aircraft will be salvageable?
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Re: AN-124 in trouble

#16 Post by TheGreenGoblin » Sun Nov 15, 2020 10:43 am

Ex-Ascot wrote:
Sun Nov 15, 2020 8:41 am
Incredible. Bet the guy is old school. The kids these day wouldn't know what the hell to do with that stick in front of them.

Ukranian pilot fly like man, strong like Ukrainian vodka, not like automated Russian girly boy!

Volga-Dnepr_Airlines is Russian of course... :)

Some interesting history here... https://wiki2.org/en/Volga-Dnepr_Airlines

Seriously though, it was a text book touchdown, whatever the nationality of the crew members, when the chips were down! Nobody else could have done any better. ^:)^
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Re: AN-124 in trouble

#17 Post by larsssnowpharter » Sun Nov 15, 2020 11:13 am

About 20 years ago, The various accidents of life found me in a self employed job working with freight forwarders on 'unusual loads'. One job involved transportation of what was basically a mobile power station made by Aggreko from Holland to a gold mine in Ghana. This involved either 4 or 6 An 124 flights each with four 20ft.IS0 containers weighing just under 20 tons each.

I went out on the first flight to organise the offload and onward transportation to the mine. That was an adventure in itself!

Back to the Antonov. Prior to take off roll, it sat on the end of the runway for four minutes with the engines on full power. I asked why and was told this was to see if they blew up. Have noticed since that this seemed.to be SOP.

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Re: AN-124 in trouble

#18 Post by TheGreenGoblin » Sun Nov 15, 2020 11:19 am

The heavy lift aircraft operators and pilots seem to need to push everything to the limit apparently ...

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Re: AN-124 in trouble

#19 Post by ian16th » Sun Nov 15, 2020 12:52 pm

larsssnowpharter wrote:
Sun Nov 15, 2020 11:13 am
Back to the Antonov. Prior to take off roll, it sat on the end of the runway for four minutes with the engines on full power. I asked why and was told this was to see if they blew up. Have noticed since that this seemed.to be SOP.
The Antonov 225 that blew a donk on take off at Farnborough, was right opposite me at the time!

It stopped rather quickly.
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Re: AN-124 in trouble

#20 Post by Rossian » Sun Nov 15, 2020 2:03 pm

It does seem unusual these days that the loss of a single engine can wreak so much havoc on so many systems. It's not quite what used be described as a "single point" failure but the list of systems that were unavaible to the crew was remarkably extensive. Chapeau! as the ffrench would say.

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