B777 skipping the flap positon while extending
Will the system let you skip the flap position while extending retracting eg. go straight from 1 to 15 or from 15 to UP, assuming the speed is OK (no load relief).
B777 in question. |
Yes. :ok:
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Just out of curiosity - which aircraft won't?
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Why Not?
I'm not a 777 driver or engineer, but a seriously good guess:
Unless some other monitored parameter is violated, Why Not? As another poster asks, what other aircraft DOES require an interim stop? I've never heard of one. Has anyone?:confused: |
Well it happened to me....from one straight to 15 and speed below 215 (773) , I 've got load relief msg....returned back to 5, msg disappeared. I am trying to look for the reason in a preprogrammed sequence in the FCU and induced error if it is skipped
FlyingStone go to a sarcasm forum or wherever if you do not have a technically proficient answer. |
Just out of curiosity - which aircraft won't? |
@Fursty: yes, but the OP did mention "assuming the speed is OK".
@Amadis: ah, yet one more similarity between the Ka-8 and Concorde ;) |
N1EPR
Do not expect me to go into a virtual bar fight because that still doesn't count as a fight. I respect retired pilots but I have no time nor interest to explain the scenario to you why, when, where and how it happened. I am interested in purely technical side of it....that is something I like to do when I am not busy commanding a B777. So, like for the poster before...if you do not have a technical knowledge of the FCU and the high lift devices of a B777 please contribute to another discussion |
Little jet, the only reason that the load relief would not allow flap 15 would be if the placard speed for that flap setting was being exceeded at the time.
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AoG
1. Are you flying B777? 2. Do you know anything about the systems of B777? 3. Do you fly wide body aircraft? 4. Do you have training experience? 3. Are you presently a Captain? I can say that you consider yourself funny with mostly useless one line answers... I need a technical answer and not an insult, however asking for that on these forums is a lost battle obviously |
Dear, oh dear ... this sort of puerile nonsense may be pertinent elsewhere but not in this forum.
As most will understand I am slow to get annoyed ... can we return to the usual standard expected in TL, please ? AoG can reflect upon his attitude from the sideline for a while ... |
The 777 has a flap system that is capable of doing that. However the flap lever is on an indented track so this has to be done on purpose.This to prevent accidental flap movement.
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Originally Posted by john_tullamarine
(Post 9118395)
Dear, oh dear ... this sort of puerile nonsense may be pertinent elsewhere but not in this forum.
As most will understand I am slow to get annoyed ... can we return to the usual standard expected in TL, please ? AoG can reflect upon his attitude from the sideline for a while ... On the flaps note for the 777(slightly off topic) but I wonder why flaps 25 not certified for autoland. |
They tested 20 and tested 30 and those spooky engineers probably couldn't understand that you might want to autoland with 25. I'm interested. Why would you?
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shakealeg.
I suspect you are right about the reasons, rumour has it F25 autoland been done at least once........(it wasn't me, honest)... |
Imagine you are doing a 1 engine inoperative landing. What flap setting options do you have? Then you do a go-around.....what flap setting will you call for? Your selection will likely skip a setting or two. Even a normal go-around from flap 30 skips the 25 position and goes to flap 20.
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773 is certified for flaps 25 autoland
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Maybe you have to pay Boeing extra for the right to be able to do it legally.
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All I know is what my afm says. Not expressing an opinion
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773 is certified for flaps 25 autoland I suspect the reason is the one given by JammedStab. |
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