If there are any doubts if the pilots would be aware that the aircraft is automatically setting the trim nose up - please have a look at this video. Those wheels are painted alternating black and white for a reason.
SAIL - YouTube |
@Golf-Sierra:
They have missed all the clues.......
Looking at the video @ 02:47: the SS order visuals are engaged on the PFD at touchdown. Would it be an enhancement to show this for the PM only, in flight and only if PF SS released from locked state (@A/P disconnect), so he can observe what his PF is doing with the SS? |
In reference to last last video, does anyone else think there was a lot of side stick action going on? I never flow an Airbus, just an old Douglas.
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If there are any doubts if the pilots would be aware that the aircraft is automatically setting the trim nose up - please have a look at this video. Those wheels are painted alternating black and white for a reason. |
Originally Posted by Golf-Sierra
If there are any doubts if the pilots would be aware that the aircraft is automatically setting the trim nose up - please have a look at this video. Those wheels are painted alternating black and white for a reason.
To think that the pilots on AF447 should have seen that wheel moving under the conditions is not realistic. More than anything that wheel should not have turned at all under STALL WARNING. |
Originally Posted by A33Zab
Would it be an enhancement to show this for the PM only, in flight and only if PF SS released from locked state (@A/P disconnect), so he can observe what his PF is doing with the SS?
Airbus would have to acknowledge it is better for a PM to know what's going on the other side ... Also, IMO, the PFD is sufficiently loaded as it is right now to have another graphic element to process through the pilot's eyes. |
Let's not make this any more complicated than it need be. If, as it seems, we need to help an 'above-average' AB crew recover from this situation through software, let's make it Conf's screen at post # 1187, or with my flashing downward arrow on the EADI. I would suggest taking away the arrow at the top of the 'speed' red bar too. It is, after all, primarily AoA we want under control.
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In reference to last last video, does anyone else think there was a lot of side stick action going on? That's all I know. |
grity posted his original capture of Bonin's "stirring the mayonnaise" technique in June 2011, and again in post #431 - AF447 Thread No.7. As grity points out, Bonin's movements weren't fast enough to actually make mayonnaise!
jcjeant may have coined the phrase in these threads, but one has to wonder whether it is the visual search for reaction clues, rather than real SS feedback that leads to the "stirring" technique. |
@mm43
jcjeant may have coined the phrase in these threads, but one has to wonder whether it is the visual search for reaction clues, rather than real SS feedback that leads to the "stirring" technique. CUE: AB pilots saying "nonsense!" ;) |
Yes....there was a Very Frequent Poster in these threads, I forget who, who kept calling Bonin's SS technique "stirring the mayonnaise." It should be reminded that such a technique is much more dangerous/critical at high altitude/speeds. Besides - Boeing pilots seem to move their yokes around quite a bit as well, see around the 5:00 mark: Cockpit video - Boeing 737-200 - landing at windy Cancun, Mexico. - YouTube If SS 'stir the mayonnaise', what do yokes do? Tumble the laundry? :} |
What are the clicking noises in that video, please?
Just interested. |
Mayo
"...mayo...". A glib, meaningless soundbite.
It would be a refreshing change if people would only offer comments and judgements on things they have any actual experience or knowledge of. |
chrisN,
haven't watched the video, but older 737's with the "paddles" to engage the autopilot have an endearing habit of emitting clicking noises from the paddles when controls are moved (useful clue to the other guy that you are still alive) perhaps Airbus should introduce something jurassic but similar on the "playstation" models,always useful to know if the other guy is stirring the porridge more than required :hmm: |
Originally Posted by captplaystation
(Post 6984768)
chrisN,
haven't watched the video, but older 737's with the "paddles" to engage the autopilot have an endearing habit of emitting clicking noises from the paddles when controls are moved (useful clue to the other guy that you are still alive) perhaps Airbus should introduce something jurassic but similar on the "playstation" models,always useful to know if the other guy is stirring the porridge more than required :hmm: |
Watching that video either the pilot was spastic or that is the normal way to fly by side stick. I had one ex Buf, B52 pilot,fly like that with a yoke but no one else. Normal pilots don't move the controls unless a correction is required, they don't move it all over the place for no reason.
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Watching that video either the pilot was spastic or that is the normal way to fly by side stick. I had one ex Buf, B52 pilot,fly like that with a yoke but no one else. Normal pilots don't move the controls unless a correction is required, they don't move it all over the place for no reason. As such you would be pulsing the control rather than applying a pressure. |
Stirring the mayonnaise
It seems the pilot in the video is used to making lots of jerky control inputs when he flies, here's a video from when he was flying the F100.
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This captain then lets go of the controls after nose wheel contact with the ground. Oh well. I suppose he is done flying the thing even though he is going at least 100KTS on the ground.
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Pardon a non ATPL interjecting, but I would naively have thought that after the nosewheel is on the ground, my attention would switch to throttles/brakes/spoilers/nosewheel steering - none of which are operated by hands on the yoke?
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