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shokaku1
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Boeing 757 in Tibet

Thu May 21, 2020 9:44 am

I quote this from Boeing's history page on the 757. Link: https://www.boeing.com/history/products/757.page

"On March 29, 1991, a 757, powered by only one of its engines, took off, circled and landed at the 11,621-foot-high (3542-meter-high) Gonggar Airport in Tibet. The airplane performed perfectly although the airfield was in a box canyon surrounded by peaks more than 16,400 feet (4998 meters) high."

I tried to Google more about this event, but nothing came up. Therefore, I like to ask if anybody knows more about this event. Which specific 757 (registration) did this flight? And also was it a demonstration flight or a test flight? Please do let me know.
 
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zeke
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Re: Boeing 757 in Tibet

Thu May 21, 2020 9:48 am

Would not be possible to “powered by only one of its engines, took off”
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
shokaku1
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Re: Boeing 757 in Tibet

Thu May 21, 2020 10:07 am

zeke wrote:
Would not be possible to “powered by only one of its engines, took off”


And this is why I'd like to find out more about this event.
 
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zeke
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Re: Boeing 757 in Tibet

Thu May 21, 2020 10:34 am

The aircraft was a China Southern 757, registration B-2806.
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
VSMUT
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Re: Boeing 757 in Tibet

Thu May 21, 2020 10:34 am

zeke wrote:
Would not be possible to “powered by only one of its engines, took off”


Doesn't the article suggest a simulated engine failure at V1 and return to land? I am not familiar with the 757s takeoff performance or the airport in question, is that possible at those altitudes?
 
shokaku1
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Re: Boeing 757 in Tibet

Thu May 21, 2020 11:57 am

zeke wrote:
The aircraft was a China Southern 757, registration B-2806.


Ok. Any more specifics regarding the flight then since u suggested an exaggeration from Boeing's description?
 
rfields5421
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Re: Boeing 757 in Tibet

Thu May 21, 2020 4:49 pm

I would suspect a certification test for the high altitude and a 'new' aircraft type.

Or possibly an attempt to ferry out an aircraft with one engine inop, that could not meet requirements to depart the area and returned to the airport.
Not all who wander are lost.
 
BravoOne
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Re: Boeing 757 in Tibet

Thu May 21, 2020 5:28 pm

Google Boeing Aero and 757 Tibet to learn more. Probably the same page the OP was looking at?

https://www.boeing.com/history/products/757.page
 
shokaku1
Topic Author
Posts: 11
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Re: Boeing 757 in Tibet

Thu May 21, 2020 6:59 pm

BravoOne wrote:
Google Boeing Aero and 757 Tibet to learn more. Probably the same page the OP was looking at?

https://www.boeing.com/history/products/757.page


My original post included that link....

So now... i just wanted to find out more about the flight because I can't find much about it anywhere else.
 
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Stitch
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Re: Boeing 757 in Tibet

Thu May 21, 2020 7:34 pm

Appears to be that it was a special marketing event with only the crew and the US Ambassador to China aboard so TOW was likely barely above DOW.

https://www.yesterdaysairlines.com/airl ... -himalayas

With an eye on further 757 sales, on March 29, 1991, Boeing undertook special tests using a 1989 built 757, B-2806, of China Southern Airlines. The American Ambassador to China was onboard the flights and the Chinese authorities insisted that he stay aboard whilst the 757 demonstrated its ability to take-off and land on only a single engine, despite the altitude and the fact the airfield was located in a box canyon surrounded by peaks nearly 5,000 metres high. Fortunately for everybody involved the aircraft passed the tests with little trouble.
 
extender
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Re: Boeing 757 in Tibet

Thu May 21, 2020 9:21 pm

I think I read about that in an AW&ST years back.

Found this:

https://www.upi.com/Archives/1991/03/29 ... 670222800/
 
m007j
Posts: 139
Joined: Mon Aug 15, 2016 3:05 pm

Re: Boeing 757 in Tibet

Fri May 22, 2020 1:18 am

So apparently, this didn't just happen with a 757, but also with a 767!
https://archive.seattletimes.com/archiv ... ug=1713218

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