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clickhappy
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N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 3:30 am

Anyone heard anything about the 737-900ER test article, N900ER, being damaged during a tail strike at KEDW?
 
FriendlySkies
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 4:33 am

Haven't heard anything, but maybe it was intentional?
 
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clickhappy
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 4:46 am

Well, they would of course be doing Vmu testing, but they would not intentionally damage the airplane.
 
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RobK
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 10:35 am

Quoting Clickhappy (Thread starter):
Anyone heard anything about the 737-900ER test article, N900ER, being damaged during a tail strike at KEDW?

 Wow!

Keep us updated Royal! It could be why the 2nd one was out testing today perhaps? This is only the second time it's been out since its initial test flights too.

However, the tracker shows plenty of BFI-BFI testing for N900ER in recent days...  confused  Did this happen recently or some time ago?

R
 
CX Flyboy
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 10:58 am

Wasn't there something about this in Flight International a couple of weeks ago about the first aircraft being damaged? Maybe since Lion Airlines are the first customer they thought they would purposely damage it to see how bad it was. Any word on when the high and fast approach into a short runway with less than landing flaps test will happen? Big grin
 
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clickhappy
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 11:03 am

I was told it happened in late January.

Funny, I have been to BFI several times in the past couple of weeks and I have not seen N900ER. Maybe they are keeping it inside.
 
kbdude
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 11:27 am

when is the committed delivery date of the first 739er?
 
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RobK
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 12:57 pm

Quoting Clickhappy (Reply 5):
Funny, I have been to BFI several times in the past couple of weeks and I have not seen N900ER.

My last confirmed sighting was 12 March (photo proof of it in the air having just lifted off from BFI going to YKM, however nothing on the tracker under BOE900 for this date!). Last tracked date was a BFI-BFI on 19 March.

R
 
brendows
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RE: N900ER - 739ER Test Aircraft - Tail Strike?

Fri Mar 23, 2007 2:22 pm

Quoting CX flyboy (Reply 4):
Wasn't there something about this in Flight International a couple of weeks ago about the first aircraft being damaged?

You are correct, you'll find it here, dated 20th of February:
http://www.flightglobal.com/

From the article:

Quote:

Certification of the Boeing 737-900ER is still on schedule to meet its original April delivery target to launch customer Lion Air despite extended testing periods caused by faulty sensors, and additional evaluation for revised stall characteristics and the autoland system.



Windshear disrupts YH001

Boeing has transferred remaining test work to YH002 following an incident during abused landing tests with YH001 at Edwards AFB around 9 February. Boeing says the aircraft "experienced a small windshear event", and that it is "carefully reviewing the data gathered during the flight to ensure that all factors have been considered for the performance data used in the subject condition". External doublers were added to the skin to enable YH001 to ferry back to Seattle for maintenance. Although the shift to YH002 will delay its refurbishment for delivery to Lion Air, Boeing adds that "there is no reason to expect a delay at the moment".



Delays were caused by the unexpected need to replace strain gauges in the horizontal stabiliser around year-end, and by the weather, which refused to co-operate for several days while the test team hunted for suitable crosswinds for the autoland tests.

"We also did some testing with the new leading-edge slat configuration and added Boeing stall testing to that, which used up one or two weeks," adds Craig.