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HarryMann
2025-06-12T10:24:00 permalink Post: 11899029 |
Not familiar with the Dreamliner, but IF correct, it reportedly took off without backtracking, resulting in a TODA of app 1900m.. That sounds very marginal for a heavy 787 embarking on a 9+hr flight.
The horrifying video (IF legit) also suggests the aircraft is seriously on the backside of the power curve with gear down / flaps up..... Speculation: too early rotation due to rwy end approaching (too) fast-then mistakenly retracts flaps instead of raising the gear.... That would result in what we saw in the video... Pure speculation in this rumour network. A sad day indeed... Were flaps up at start of roll? or subsequently after marginal liftoff ? Unfamiliar with 787s interlocks and take-off protections but undercarriage should have been up.or going up in that state at a minimum Subjects: Gear Retraction |
HarryMann
2025-06-12T10:48:00 permalink Post: 11899052 |
Subjects: None |
HarryMann
2025-06-13T00:31:00 permalink Post: 11899866 |
Subjects: Engine Failure (All) 1 user liked this post. |
HarryMann
2025-06-13T23:13:00 permalink Post: 11900988 |
Subjects: None |
HarryMann
2025-06-14T23:31:00 permalink Post: 11901956 |
and with takeoff thrust you wouldn\x92t be stalling that aircraft in that config and situation easily. no I relly don\x92t agree aerodynamic drag from a stalled wing is going to slow an aircraft with TO thrust by that much. nope. Subjects: None 2 users liked this post. |
HarryMann
2025-06-14T23:38:00 permalink Post: 11901961 |
Can I just clarify: the 787 has FBW and certain flight envelope protections. If the pilots suffered a dual engine failure after takeoff, they would pull back to stretch the glide as the computers will not allow the aircraft to stall. This is effectively what Sully did when he kissed it into the Hudson like a pro.
In any other aircraft, if you lose thrust in all your engines, you would be pushing the nose down immediately! sully flared almost perfectly, nothing to do with \x91stretching\x92 the glide. Subjects: Dual Engine Failure Engine Failure (All) FBW 1 user liked this post. |
HarryMann
2025-06-15T08:32:00 permalink Post: 11902232 |
I expect you (or most of us) reallly don’t know enough about the Flight Control Systems to say that. Any FBW intervention would have been in play and the Captain would notimmediately by instinct have lowered the nose dramatically, whilst assessing the situation… far too low and too much going on.
Last edited by HarryMann; 15th Jun 2025 at 08:50 . Subjects: FBW |
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