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hans brinker
June 13, 2025, 01:46:00 GMT permalink Post: 11899916 |
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hans brinker
June 13, 2025, 01:51:00 GMT permalink Post: 11899919 |
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hans brinker
June 19, 2025, 14:46:00 GMT permalink Post: 11906085 |
15K hours, 5 companies, 7 types, JAA/FAA. All had something like "Below 2500' the PF will have hands on/guarding the flight controls" in the manual. Power/thrust levers/throttles are considered flight controls in this context. Vast majority opinion was that as soon as you were done rotating, and had asked for gear up, the PF would put their hand back on the thrust levers. I would think this would almost always be well before 400'. When I was on the 320 it would be about 50' because you only use one hand to rotate, now new on the 737 it takes (me) two hands and a bit longer to get rotation right, but probably almost always below 200'.
Subjects (links are to this post in the relevant subject page so that this post can be seen in context): Switch Guards |
hans brinker
June 19, 2025, 15:49:00 GMT permalink Post: 11906136 |
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hans brinker
June 20, 2025, 18:10:00 GMT permalink Post: 11907170 |
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hans brinker
June 20, 2025, 18:31:00 GMT permalink Post: 11907188 |
In this case, not being a 787 jock, my WAG would be a V2 of 165, so they'd be at ~180, and Vref would be at least ~160 (422,000lb, at flap 5). Once those engines cut, it wasn't going much higher at all. Bit of a zoom of possibly 100ft max, IMO. So I doubt the engines stopped at liftoff.
Having done many a takeoff sitting with the nose pointed skyward after liftoff, you just know that if both engines stopped, you would almost immediately stop going up. When you lose only one you have to be quick getting the nose down to keep the speed. If you lost both, you're not going much higher. Subjects (links are to this post in the relevant subject page so that this post can be seen in context): V2 |
hans brinker
July 09, 2025, 16:50:00 GMT permalink Post: 11918519 |
Theory alert : If you don’t have, or delete the cruise altitude in the FMC the aircraft will command a level off at 400ft, with the thrust levers reducing thrust significantly (I’ve seen it in the sim and happened at least once for real to my operator). It’s easy to do when loading the descent winds if you hit the wrong button. Could this have been confused with a loss of thrust?!
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