KHKAIR From Canada, joined Oct 2004, 27 posts, RR: 0 Posted (8 years 10 months 3 weeks 4 days 17 hours ago) and read 3069 times:
I have observed many times that CX is the latest one to retract spoilers and flags after landing. The CX pilots keep them on for a while even after turning to taxi from runway. I also notice that CX climbs very slowly for takeoff. Do you guys notice that?
Second of all you cant tell us the plane climbs slow because it will climb just how it will need to climb.. if you are taking off in a CX 744 to BKK from HKG they will use derated thrust because for that flight the plane is light and will not require full thrust so a derated thrust will be used to not use a to big VS and stay comfortable for the passengers.
It is a little more complicated than this so to clear things up any othe roperator will use derated thrust aswell and climb exactly how they need to climb. So not slower or faster than other airlines.
BTW there is no requirement telling the captain to retract spoilers after landing. He will following the checklist when the right moment comes.
Ryanair!!! From Australia, joined Mar 2002, 4783 posts, RR: 24
Reply 2, posted (8 years 10 months 3 weeks 4 days 16 hours ago) and read 3037 times:
Err... Have you compared it to other airlines? It really depends on who's flying the plane and there isn't a requirement as to WHEN to retract the flaps after landing. I have had flaps retracted as we were still rolling out from landing... or even the flaps and spoilers left all extended and open after landing till we were taxiing.
I dont think the "phenomenon" is confined to CX.
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Flykal From Australia, joined Sep 2003, 445 posts, RR: 3
Reply 3, posted (8 years 10 months 3 weeks 4 days 13 hours ago) and read 2817 times:
Quoting Ryanair!!! (Reply 2): It really depends on who's flying the plane and there isn't a requirement as to WHEN to retract the flaps after landing.
Well, we have a thing here called a POM (Pilot Operating Manual) which outlines exact procedures that should be followed - certainly doesn't depend on who's flying the airplane. In essence, standard procedure is that no systems should be activated, shut down or any changes made to configuration until clear of the active landing runway, or until the aircraft has reached taxi speed when a 180 degree turn is required on the runway.
The 'clean-up' is part of the after landing checklist, and on the B777, there are five items to be completed before even touching the flaps. For us, it's the Captain's responsibility to position the speed-brake lever down, while the First Officer will position the flap lever to up.
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Curmudgeon From Australia, joined Oct 2006, 695 posts, RR: 21
Reply 4, posted (8 years 10 months 3 weeks 4 days 13 hours ago) and read 2779 times:
As others have intimated, there is zero risk when the spoilers and flaps are left extended, but some (small) risk in moving controls when attention should be paid to other things. Slowing in good time at the intended taxiway, making the exit, checking for ground traffic conflicts, getting a clearance from the ground controller and confirming it against the taxi chart all have priority over housekeeping chores like flaps and spoilers.