Winter Flying Norway

Discussion of aviation issues which are not safety related (airline operations, pilot contracts, aviation industry news, etc.)

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Ancient Mariner
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Winter Flying Norway

Postby Ancient Mariner » Thu May 14, 2009 12:15 pm

The airplane touched down on runway 17, managed to stay within the 30 meter sanded zone and slowed down to about 13 knots ground speed, when the commander attempted to steer the airplane to the left off the runway. The wind however now started to turn the airplane right (weather vane effect), attempts to control the movement with the steering tiller, asymmetric braking, asymmetric engine thrust and rudder input failed, attempts to keep the airplane rotating right into direction of runway again also were not successful. The airplane oscillated into the wind coming from 200 degrees at a considerably stronger speed than reported and started to roll backwards. The commander applied engine thrust to stop the airplane from moving backwards and managed to keep the airplane on the paved surface on a heading of 247 degrees. The crew was subsequently able to shut down the engines, the airplane was towed off the runway about 80 minutes after landing.
http://avherald.com/h?article=41985527&opt=0

Had a similar experience years ago as a young(ish) sailor in the King's navy. Landed at Evenes in a SAS DC9 and ended up doing a 180++ at the end of the runway. Interesting to see in the window the terminal coming and going at high speed.
Per

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Kjell Engkrog
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Re: Winter Flying Norway

Postby Kjell Engkrog » Thu May 14, 2009 6:11 pm

Aircraft was a Boeing 737-505, for those able to read scandinavian the AAIB report is here. Report also contains animation showing landing, rollout and dance... (p. 5 of the pdf)

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Half Bottle
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Re: Winter Flying Norway

Postby Half Bottle » Thu May 14, 2009 6:35 pm

That animation is really remarkable. Impressive what wind and a slippery runway can do to a 737.
~~~ In Oxford Town, you smell like dead lab rats. ~~~

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Ancient Mariner
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Re: Winter Flying Norway

Postby Ancient Mariner » Thu May 14, 2009 7:44 pm

Cool video, Kjell. That's more or less what happened to us, but I seem to remmeber that we turned leaft, not right and we were immediately able to taxi to terminal. I think the pilot has slided around on black ice in his car too. ;)
Per

PurduePilot
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Re: Winter Flying Norway

Postby PurduePilot » Thu May 14, 2009 9:08 pm

Here's the animation:

http://www.aibn.no/media/video/B737_instruments.wmv


Pretty impressive. Early this spring we had a bad windstorm at LAF. 727 was parked on an east heading. Wind came from the north with gusts up to about 50 knots. Caused the 727 to jump the chocks and weathervane about 20 degrees toward the north until the left front wing root crashed into our Tug, which is how they found it the next morning.

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Dmmoore
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Re: Winter Flying Norway

Postby Dmmoore » Thu May 14, 2009 9:35 pm

A classic was the JAL 747 that was blown off the taxi way at ANC 1n December 1975.

http://www.airdisaster.com/reports/ntsb/AAR76-12.pdf

The repair was the largest repair (percentage of damage, not total cost) accomplished to date.
Don
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