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Japan airlines tailstrike...

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Old 5th Apr 2012, 08:55
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Japan airlines tailstrike...

Haven't we been down this path before?

Japan Airlines 777-200 suffers airframe damage in tailstrike
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Old 5th Apr 2012, 10:43
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Seems like a need of bounce landing recovery technique to be (re)introduced......
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Old 5th Apr 2012, 12:23
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Weather that day was pretty grubby, strong gusty winds. Later in the week another deep low breezed past Tokyo. Surprised more aircraft were not scratched in the ensuing chaos.
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Old 5th Apr 2012, 15:11
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The weather on Wednesday was slightly more than a little grubby. NHK news reported last night that the low pressure system that moved up the west coast was the deepest in 50 years. I'm a bit north of Tokyo, but we had gale force winds and driving snow from Tuesday evening until late Wednesday. I had to drive across a mountain range on Wednesday, and lost over an hour in delays as emergency crews tidied up after four separate accidents where trucks and cars had slid off the road, and fallen trees cleared. I've lived in Japan for 8 years, and never seen that before,
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Old 5th Apr 2012, 15:21
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Got to love YouTube

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Old 5th Apr 2012, 15:28
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I don't know if I am seeing things but,...... It looks like the reverses (a) are deployed?
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Old 5th Apr 2012, 15:36
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The video is very grainy but are the thrust reversers deployed during the balked landing?

Edited to add crossed posts with MPH
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Old 5th Apr 2012, 15:45
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Seems like a need of bounce landing recovery technique to be (re)introduced......
It's a takeoff, not a landing. He's rotating.
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Old 5th Apr 2012, 15:59
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The article at the top of the thread clearly states that it was a balked landing. It also states the departure airport and the times of departure and arrival. I also think I see reversers. This could have easily been a CNN incident instead of a PPRuNe discussion.
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Old 5th Apr 2012, 16:03
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Definitely looks like the reversers deployed, also first bit of tape looks like nose coming down, so might have been baulked landing/attempted G/A after thrust reversers deployed. In Airbus anyway this is definite no go
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Old 5th Apr 2012, 16:05
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The article at the top of the thread clearly states that it was a balked landing.
It states that he was going around--i.e. rotating--at the time of the tail strike.
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Old 5th Apr 2012, 16:08
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The tail section of a Japan Airlines (JAL) Boeing 777-200ER suffered serious damage on 31 March after it struck a runway at Tokyo's Haneda Airport when the pilot aborted a landing and started a go-around.
I would have expected the pilot to cancel and stow the reversers before lifting the nose.

I'm assuming that if the engines are spooled up fully that the nose would be heavy to lift while still in reverse.

Comments from B777 drivers:?
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Old 5th Apr 2012, 16:17
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Originally Posted by stepwilk
It states that he was going around--i.e. rotating--at the time of the tail strike.
You still need to rotate in both cases!
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Old 5th Apr 2012, 16:28
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Reversers?

I'd agree, looking at the video.
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Old 5th Apr 2012, 17:56
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That second camera has certainly seen its fair share of landing-related mayhem!!
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Old 5th Apr 2012, 19:38
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It certainly looks like the reversers were pulled!

In my company once the reversers are out you are totally committed to a landing as a go-around is forbidden after that point!

Until that point a go-around may be conducted from any point upto pulling the thrust reversers.

They were quite lucky to get away with a tail strike I would suggest!

Obviously I will wait for a METAR before making further ascertations!
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Old 5th Apr 2012, 20:12
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Stepwilk - not sure if you're being obtuse or just winding people up? The aircraft was landing and attempted a go-around/baulked landing/(very late!) missed approach - it wasn't a "take-off".



Thrust reverses look deployed which will cause a pitch down so you have to really HAUL the yoke to get it to pitch.... You select TOGA, reversers stow, BIG thrust, aft yoke and BANG....DRAAAAAAAAAAAAAAAAAGGGGGGGGGG

777 is FBW - does it suffer pitch/thrust couple in its landing mode ( if there is one) - genuine question. They are BIG engines which must provide one hell of a kick when TOGA'd.

All will be revealed by FDR.

Feel for the crew - bad day at the office.
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Old 5th Apr 2012, 20:27
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This reminiscent of a Korean Air B777-300 that attempted a balked landing after reversers were deployed. The PF had just had a sim bounced landing training and he falsely identified the strut compression as a bounced landing, hence he tried rotating whilst the reversers and spoilers were deployed. It ended up with the tail strike. Luckily the checkers on the jump seats commanded him to stop and come to a full stop landing. So I heard!
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Old 5th Apr 2012, 21:46
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B777...Go-Arounds prohibited once thrust reversers are deployed/selected..from Boeing FCTM..
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Old 5th Apr 2012, 22:06
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Stepwilk - not sure if you're being obtuse or just winding people up? The aircraft was landing and attempted a go-around/baulked landing/(very late!) missed approach - it wasn't a "take-off".
I don't see what's so obtuse about that. Let's break the procedure into its components: Final approach. Flare. Touchdown. Bounce (or whatever). Acceleration. V1. Vr. V2...

You tell me when the tail strike occurred.
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