Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

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Romeo E.T.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Romeo E.T. » Mon May 06, 2019 8:33 pm

Wingnutter wrote:
Mon May 06, 2019 7:13 pm
Romeo E.T. wrote:
Mon May 06, 2019 5:58 pm
Facebook video from inside the cabin out the Port side

https://www.facebook.com/747Brasil/vide ... 331160953/
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by allanroy » Mon May 06, 2019 8:54 pm

the time allowed for a airport fire truck is 3 min to the midpoint of the furthest runway.
FAR Part 139.319 states the response time requirements in the event of an emergency at the airport. It states that within 3 minutes from the time of the alarm, at least one required ARFF vehicle must reach the midpoint of the farthest runway and begin application of required extinguishing agents.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by kwest » Mon May 06, 2019 8:57 pm

What are the implications of weight (full fuel) on approach and touchdown speeds ? Crew not prepared / trained / current with the scenario. Land a 182 too fast and it starts oscilations till iether fly away, or break something. Just asking. Sometimes the basic principles remain despite the size.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Romeo E.T. » Mon May 06, 2019 9:29 pm

kwest wrote:
Mon May 06, 2019 8:57 pm
What are the implications of weight (full fuel) on approach and touchdown speeds ? Crew not prepared / trained / current with the scenario. Land a 182 too fast and it starts oscilations till iether fly away, or break something. Just asking. Sometimes the basic principles remain despite the size.
On a Jet of similar size, the speed variations are probably around 20Kts between a light weight and a heavy weight aircraft
I doubt that the fuel load had that much of an influence

My thoughts drift towards
1) reduced flap or no flap landing (although from the screen grab of the Facebook passenger video ..https://www.facebook.com/747Brasil/vide ... 331160953/ .. leading edge flaps, and thus some form of trailing edge flaps were extended)
2) No EFIS display airspeed, thus reliance on STBY ASI....very small
3) Crew lack of co-ordination
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by flysouth » Mon May 06, 2019 10:00 pm

Looks to me like too much speed, a wheelbarrow landing then a bounce and classic porpoise. Effectively that landing was not under control.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Romeo E.T. » Mon May 06, 2019 10:30 pm

Image
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by richard C » Tue May 07, 2019 11:00 am

wingnutzster wrote:
Mon May 06, 2019 5:21 pm
…...I have to ask what was the cause of 41 deaths? One expects to be certified safe she'd be subject to international evacuation and survivability standards and with so many developments and improved practices since the British Airtours 737 disaster I am surprised that in 2019 so many would perish in a parked aircraft fire :shock: :?:
I thought there were 13 deaths, not 41 ?
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Deanw » Tue May 07, 2019 4:55 pm

richard C wrote:
Tue May 07, 2019 11:00 am
I thought there were 13 deaths, not 41 ?
Latest news reports state that 41 died.
How come every time my ship comes in I'm at the airport?

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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by CockpitCat » Tue May 07, 2019 5:29 pm

Outcome might have been different had the a/c swung the other way, when coming to a stop, to avoid the wind blowing the flames over the rear fuselage...flashback to British Airtours accident in 1985 :(
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Dragon » Tue May 07, 2019 7:46 pm

Unless it has been shown already and I have missed it (my bad) it is my belief that the speed was not significantly high. My take is that evidence for this is that the aircraft seems to bounce up and stall so it couldn't have been too fast. This gives the classic porpoise. (Land on nose first followed by mains bounces the nose into the sky, aircraft immediately stalls, drops nose and lands on nose first again only to repeat. - you don't porpoise at high speed because the aircraft keeps flying after the first bounce) They however managed to interrupt this by getting the nose up again to prevent a second nose first landing and stalled so hard onto the mains that the struts went through the wings. So now the question comes back to why did they land on the nose wheel ? Well if we consider that the speed may not have been that high we must look for another reason and one possibility (out of many) is that in amongst all of what was going on, they lost the radio altimeters during the lightning strike, and didn't have the normal cues they were waiting for to start the flare. Late flare equals land on nose.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by Spoke Eagle » Wed May 08, 2019 1:52 am

That landing looks much like the L 1011 of DHL where the pilots were told to push the nose down after landing!? Only problem was they were still flying when the co-jo pushed the nose into the ground.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by rudolphschar » Wed May 08, 2019 5:30 am

I wonder if the emergency was that critical that they had to get down at all costs.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by CockpitCat » Wed May 08, 2019 8:34 am

Possibly this incident shows that the fire-fighting techniques at airports are inadequate to handle such a large fire event...
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by IamGlobal » Wed May 08, 2019 10:18 am

Aquila wrote:
Mon May 06, 2019 7:48 pm
bladewalker wrote:
Mon May 06, 2019 12:38 pm

At UUEE there are 3 parallel runways, the northern one (24R) located about 2.5 km north of 24L/24C.
FYI: 24R is still under construction and can not be considered as a usable surface. Last time I saw it a month ago, it was still just a gravel surface.
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Re: Aeroflot Sukhoi Superjet 100 involved in a serious incident during an emergency landing.

Unread post by MadMacs » Wed May 08, 2019 11:33 am

CockpitCat wrote:
Wed May 08, 2019 8:34 am
Possibly this incident shows that the fire-fighting techniques at airports are inadequate to handle such a large fire event...
With that amount of flames around the rear of the aircraft, the oxygen would get sucked right out and noxious fumes will incapacitate you very quickly, especially as only the forward doors were open and the idiots in front trying to get their bags out the overhead stowage. Very sad.
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