Engine failure in Tyumen
Six hours ago. Landed safely after burning enough fuel. Any other informations ?
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Why were they circling and burning fuel single engine? |
Practicing flying its holding pattern? Slight room for improvement..
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Originally Posted by PropPiedmont
(Post 10608642)
Why were they circling and burning fuel single engine? |
Originally Posted by Dave Therhino
(Post 10608780)
To get down to max landing weight?
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Originally Posted by Dave Therhino
(Post 10608780)
To get down to max landing weight?
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Originally Posted by Dave Therhino
(Post 10608780)
To get down to max landing weight?
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Not holding per se - just securing the engine etc before returning to land in an orderly fashion.
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Originally Posted by Australopithecus
(Post 10608821)
Max landing weight is a normal dispatch and operating limit that typically does not apply in certain non-normals. Loss of thrust would be one of those cases. You don’t fly around on one engine just to save someone some additional maintenance tasks post-landing. FFS. |
Originally Posted by Dave Therhino
(Post 10609122)
However we commonly see reports of crews burning off and/or jettisoning fuel to get below or near max landing weight to minimize damage on landing after an engine failure on takeoff or climb.
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Dont really see the issue here, engine fails you go to the hold work checklists and prepare for landing on one engine, if that needs burning off fuel to prevent an overweight landing then fine why is it an issue to burn fuel off on one engine?? We are allowed 1 hour flight time on one engine so whats the problem?
Makes me laugh damed if you do and damed if you dont, love to see the comments if someone landing over MLW single engine and had a gear collapse/ overrun. |
Some people have short memories.
It's only been 6 months since another SSJ-100 (Aeroflot) made an immediate return for an overweight landing, bounced, broke the main gear, punctured the fuel tanks, and killed 41 in the ensuing fire. One month ago today (Sat.) criminal charges were filed against the captain of that flight. Who thinks (or doesn't think) that factored into the Yamal crew's decision? Some engine-outs are immediate "MAYDAY" situations - and some are not. Gotta take them as they happen. |
Originally Posted by pattern_is_full
(Post 10609479)
Some people have short memories.
It's only been 6 months since another SSJ-100 (Aeroflot) made an immediate return for an overweight landing, bounced, broke the main gear, punctured the fuel tanks, and killed 41 in the ensuing fire. One month ago today (Sat.) criminal charges were filed against the captain of that flight. Who thinks (or doesn't think) that factored into the Yamal crew's decision? Some engine-outs are immediate "MAYDAY" situations - and some are not. Gotta take them as they happen. |
Originally Posted by Dave Therhino
(Post 10608780)
To get down to max landing weight?
If it's an ETOPS airplane shouldn't they just go 'round and 'round in circles until they reach their ETOPS certification time limit? |
Originally Posted by gearlever
(Post 10609482)
Are you suggesting the accident was due to exceedance of MLW?
Tha majority of accidents are not "due to" any single factor. |
Hypothetically, let’s say the first engine failed due to contaminated fuel. |
Originally Posted by DaveReidUK
(Post 10610042)
So what, in your view, would be valid reasons for the many instances we see of aircraft flying prolonged holds to burn off fuel ?
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That is a knowledgeable angle. The weight to meet approach climb gradient (or landing) will be quite higher than the mostly (?) structural MLW. Let alone the reduced operational one. Am I mistaken?
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You are correct that will almost always be the case. For medium and long range airplanes there is typically a significant difference between the max takeoff weight and the max landing weight. For such airplanes, the weight at which the engine out approach climb gradient requirement can be met is quite a bit higher than the max landing weight, and in fact fairly close to the max takeoff weight. The design regulations require the airplane to be able to meet those climb requirements within 15 minutes after takeoff. (Note that the landing climb requirement is an all-engines operative case.)
I only mentioned getting below the performance limited weight to point out that I've seen quite a few reports where the crew chose to burn or jettison fuel off to get well below that weight. |
Originally Posted by Livesinafield
(Post 10609475)
Dont really see the issue here, engine fails you go to the hold work checklists and prepare for landing on one engine, if that needs burning off fuel to prevent an overweight landing then fine why is it an issue to burn fuel off on one engine?? We are allowed 1 hour flight time on one engine so whats the problem?
Makes me laugh damed if you do and damed if you dont, love to see the comments if someone landing over MLW single engine and had a gear collapse/ overrun. burning off fuel to get down to MLW is frequently futile. I watch” aero inside “ magazine every day online and at least once per day someone does this. We are talking aircraft with no fuel dump here. “ Held for 45/minutes to reduce landing weight “ is topical comment. 1 tonne = 1 knot approach speed. So holding for an hour reduces speed by one knot. The plane is certified to land at Max TOW So landing a bit over MLW is going to be totally safe. You wont overrun because you calculate landing distance +30% typically prior to landing as normal cheers Yan |
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