Tu-22 down in Murmansk, 2 fatalities

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Tu-22 down in Murmansk, 2 fatalities

Unread post by Keith Quixley » Tue Jan 22, 2019 3:30 pm

https://www.google.com/url?sa=i&source= ... 0132986948

Just seen this. Apparently suffered a hard landing while landing in a blizzard. RIP...
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by MadMacs » Sun Jan 27, 2019 2:59 am

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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Mfezi » Sun Jan 27, 2019 8:01 am

Photo of the cabin and what looks like a fax of the report summary:
https://bmpd.livejournal.com/3506678.ht ... 06678.html
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Hop Harrigan » Sun Jan 27, 2019 9:28 am

My guess is that with all that whiteness the pilot didn’t even see the ground in order to flare. Still, the ROD doesn’t look that high that the front section should just break off
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Burner » Sun Jan 27, 2019 11:23 am

Incredible that anyone survived that! Apparently just the commander survived with serious injuries. Very sad. 3rd TU22 accident in as many years.
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Jack Welles » Sun Jan 27, 2019 11:28 am

Hop Harrigan wrote:
Sun Jan 27, 2019 9:28 am
My guess is that with all that whiteness the pilot didn’t even see the ground in order to flare. Still, the ROD doesn’t look that high that the front section should just break off Hop
In that video it looks as simple as that, when the main wheels touched down the front half of the aerie simply fell off! :shock:
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by MadMacs » Sun Jan 27, 2019 12:25 pm

Just before impact the engines spool up, I wonder if he decided to do a go-around?
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by jimdavis » Sun Jan 27, 2019 2:26 pm

Very strange, the impact didn't look that hard.

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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by StressMerchant » Sun Jan 27, 2019 3:01 pm

I thought it looked hard, but difficult to put descent rate into context.

This video shows one of the prototype DC-9 aircraft that got things wrong during a certification flight test:
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Plettflyer » Sun Jan 27, 2019 7:16 pm

That was a huge rate of descent which even the thrust increase did not seem to arrest. Wonder if he also got a little slow? Not easy to pop out of cloud in blizzard conditions like that and accurately assess sink rates.
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Roo1valk » Mon Jan 28, 2019 11:38 am

Jack Welles wrote:
Sun Jan 27, 2019 11:28 am
Hop Harrigan wrote:
Sun Jan 27, 2019 9:28 am
My guess is that with all that whiteness the pilot didn’t even see the ground in order to flare. Still, the ROD doesn’t look that high that the front section should just break off Hop
In that video it looks as simple as that, when the main wheels touched down the front half of the aerie simply fell off! :shock:
Not sure if it's mentioned in the report, but on another forum they say the airframe is limited to 4G and the impact was at 7.4Gs
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by MadMacs » Mon Jan 28, 2019 11:49 am

Roo1valk wrote:
Mon Jan 28, 2019 11:38 am
Jack Welles wrote:
Sun Jan 27, 2019 11:28 am
Hop Harrigan wrote:
Sun Jan 27, 2019 9:28 am
My guess is that with all that whiteness the pilot didn’t even see the ground in order to flare. Still, the ROD doesn’t look that high that the front section should just break off Hop
In that video it looks as simple as that, when the main wheels touched down the front half of the aerie simply fell off! :shock:
Not sure if it's mentioned in the report, but on another forum they say the airframe is limited to 4G and the impact was at 7.4Gs
As far as I know most military aircraft are stressed for at least 9g.
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by StressMerchant » Mon Jan 28, 2019 12:21 pm

The published load limit is for manoeuvre loads. The actual G-loading during gusts or (certification case) heavy landing may be higher, but will be included in the design.

I also wonder where the CG was during the landing.
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by heisan » Mon Jan 28, 2019 12:23 pm

MadMacs wrote:
Mon Jan 28, 2019 11:49 am
As far as I know most military aircraft are stressed for at least 9g.
That may be true for fighters. Bombers typically have much lower G ratings - especially when loaded. For example, the closest US equivalent would probably be the B-1B, which has a G limit of 2.8G with full load.
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Re: Tu-22 down in Murmansk, 2 fatalities

Unread post by Burner » Mon Jan 28, 2019 1:28 pm

Not sure how credible this site is, but it lists the G-limit of the Tu-22M at +3.5g
http://black-shark.wikidot.com/tu-22

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