heisan67
Posts: 1001
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SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 7:27 pm

SAS Braathens F50 collapsed during the night stop at Oslo airport OSL tonight. Here are some pictures and info...in Norwegian only (sorry - folks).

This must be a write off!
http://www.vg.no/pub/vgart.hbs?artid=160595

[Edited 2006-02-14 11:28:55]
 
HBDAN
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SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 7:30 pm

Wow... and I suppose it wasn't even loaded with pax or freight....
Try just to imagine the next landing if it hadn't collapsed during the night...
 Wow!

Regards,
HBDAN
Next flight: hopefully soon...
 
tangoecho
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SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 7:33 pm

Wow.. What could've caused that to happen to a parked aircraft??

I think it could be salvaged as the engines don't appear to have struck the ground.

Stu...
Contact Aberdeen tower on 118.10 G'day.
 
heisan67
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 7:51 pm

The aircraft was parked and no passengers on board. No one were hurt.

The aircraft was "Inge Viking" LN-RND and built 1990.

[Edited 2006-02-14 11:52:25]
 
levent
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 7:57 pm

On a side-note: this is a question that I meant to ask to Denim Air's Fokker 50 mechanics while working with them but never did... Aren't the F50's main gear struts weaker than on most other planes? Most of the times the gear extends backwards and retracts forwards, while on the F50 it's the other way around. If the F50 would land without its gear properly locked, it would collapse, while a Dash 8 for example would stand a chance of completing its landing roll successfully without the gear collapsing because the ground "pushes" against it.

Wow, took me some words to explain what I meant, I hope it's clear...
 
Airdolomiti
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 8:25 pm

Ouch! That looks like a nasty incident...

Quoting Levent (Reply 4):
If the F50 would land without its gear properly locked, it would collapse, while a Dash 8 for example would stand a chance of completing its landing roll successfully without the gear collapsing because the ground "pushes" against it.

I thought the landing gear retracted the same way on both planes?


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levent
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 9:16 pm

Quoting Airdolomiti (Reply 5):
I thought the landing gear retracted the same way on both planes?

Oops... sorry, wrong example...  banghead 
 
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breiz
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 11:28 pm

Quoting Heisan67 (Thread starter):
This must be a write off!

Come on, Heisan67, the F50's belly has gently touched the ground while the retraction hydraulic cylinders of the main undercarriage were pushed in by the weight of the plane.
Planes have been repaired after much more beating than this.
Unless SAS wants to get rid of it.
 
heisan67
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Tue Feb 14, 2006 11:38 pm

Quoting Breiz (Reply 7):

Well, more pictures of the aircraft have been showed at Norwegian internet sites. I'm not an expert, but some of the photos shows a large crack in the fuselag just behind the door. It has already been reported that it would cost several Norwegian millions (NOK) in order to fix this.

Well see what happends. SAS Braathens has already contacted Rekkof in order to get a replacement.
 
Oykie
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:01 am

Quoting HBDAN (Reply 1):
Wow... and I suppose it wasn't even loaded with pax or freight....
Try just to imagine the next landing if it hadn't collapsed during the night...

According to SAS this would not happend during flight, and that this was a ground error caused during maintnance, but it is still unclear exactly what happend. But SAS is not affraid that this could happen in operation.

Quoting Breiz (Reply 7):
Come on, Heisan67, the F50's belly has gently touched the ground while the retraction hydraulic cylinders of the main undercarriage were pushed in by the weight of the plane.
Planes have been repaired after much more beating than this.
Unless SAS wants to get rid of it.



If you look at the pictures you can see that the whole fuselage is bent just behind the door as Heisan67 says in the middle of the Scandinavian logo.
Dream no small dream; it lacks magic. Dream large, then go make that dream real - Donald Douglas
 
ltbewr
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:06 am

OUCH! That is a very bad crease of the fusulage. Was this a failure of the landing gear's hydralic system? Could the weather contributed to this failure of the gear? Isn't there some locking bar or device that is used when the a/c is parked? Would it be worth it to fix or just scrap this a/c for parts that were not affected?
 
KaiGywer
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:07 am

Now, let's see how long it will be before somebody starts blaming poor maintenance, sick pilots or something else...
“Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, an
 
heisan67
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:17 am

Norwegian broadcasting cooperation NRK announced just that the reason why this happend was that the "safety pin" for the gear was not in place as it was supposed to be. There was 1 person in the cabin when the accident happend, but he/she was not hurt in any way.

It is expected that it will cost many NOK millions in order to get the aircraft flying once again.
 
CRJ900
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:30 am

Doesn't SAS have too many aircraft anyway? Why not retire this one and put a 736 on the routes instead?
Come, fly the prevailing winds with me
 
heisan67
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:34 am

I don't think SAS Braathens has to many aircrafts. Not sure about SAS Sverige, SAS Danmark though.

The F50-operation of SAS Braathens (6 aircrafts) is discussed frequently amoung SAS workers. It would probably be a whole lot easier and better to let Widerøe operate this routes. Widerøe is 100% owned by SAS.
The B736 would be to large for thin routes like KRS - SVG, KRS - BGO, OSL - KSU, OSL - MOL etc.
 
KaiGywer
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 3:58 am

Quoting CRJ900 (Reply 13):
Doesn't SAS have too many aircraft anyway? Why not retire this one and put a 736 on the routes instead?

Nah, they'll just order some ATPs or ATRs Big grin
“Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, an
 
jeffry747
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RE: SAS Braathens Aircraft Collapses At Oslo Airpo

Wed Feb 15, 2006 7:21 am

Quoting OyKIE (Reply 9):
If you look at the pictures you can see that the whole fuselage is bent just behind the door

IIRC The fuselage was bent the same way after the WN 733 runway overrun at BUR a few years ago. I do believe it was this damage that warranted the aircraft being written off.


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Oykie
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 7:23 am

Quoting KaiGywer (Reply 15):
Nah, they'll just order some ATPs or ATRs

Given their lack of fleet commonality I would not be supriced if this happends  Wink I hope we don't give anyone ideas  Wink

Anyway. This is not the first incident with SAS destroys Turboprops.  Smile


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heisan67
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 9:23 am

 
EnviroTO
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 2:21 pm

I would think that for the gear to collapse the landing gear must not have been locked in the down position. A hydraulics failure would prevent wheels from unlocking in the downward position or prevent them from being locked in the first place but couldn't cause this I don't think. Did someone hit the gear up switch on the ground while there was still power to hydraulics?
 
flybynight
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 2:22 pm

That last article does say Braathens has an extra F50 in reserve.
Heia Norge!
 
KaiGywer
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 10:57 pm

Quoting Flybynight (Reply 20):
That last article does say Braathens has an extra F50 in reserve.

BU doesn't have any F50s. Possible that SK does, old SK Commuter bird.
“Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, an
 
Oykie
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 11:09 pm

Quoting KaiGywer (Reply 21):
Quoting Flybynight (Reply 20):
That last article does say Braathens has an extra F50 in reserve.

BU doesn't have any F50s. Possible that SK does, old SK Commuter bird.

The F50 planes that operated on behalf of Braathens was operated by Norwegian Air Shuttle, which is now SAS Braathens main competitor in Norway. The F50 planes in Norway are the old F50 bird acquired by SAS years ago. I wonder how long SAS is holding on to these birds.
Dream no small dream; it lacks magic. Dream large, then go make that dream real - Donald Douglas
 
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breiz
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Wed Feb 15, 2006 11:27 pm

Quoting Heisan67 (Reply 8):
Well, more pictures of the aircraft have been showed at Norwegian internet sites. I'm not an expert, but some of the photos shows a large crack in the fuselag just behind the door. It has already been reported that it would cost several Norwegian millions (NOK) in order to fix this.

Vel, du hadde rett fra begynnelsen, Heisan.
I did not take into account that the fuselage is not made to support the weight of the wing and the engines, but that the wing holds the fuselage.
The fuselage buckled where expected, forward of the wing box, as the nose undercarriage maintained the forward fuselage up.
 
Yak97
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RE: SAS Braathens Aircraft Collapses At Oslo Airport

Thu Feb 16, 2006 1:33 am

Denim Air have got a few spares F50's. I saw 5 parked at EIN last month

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