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A320 Aileron Droop.  
User currently offlineTripl7 From , joined Dec 1969, posts, RR:
Posted (15 years 9 months 2 weeks 15 hours ago) and read 6666 times:

Can anyone explain how the aileron droops on a certain flap setting on the A320, and if this is true for other airbus types (or other aircraft types for that matter)?

7 replies: All unread, jump to last
User currently offlineYaki1 From , joined Dec 1969, posts, RR:
Reply 1, posted (15 years 9 months 2 weeks 10 hours ago) and read 6513 times:

I have not heard of any aileron droop, related to flap position, on a A320 nor do I see it in the General Familiarization manual. You may have seen movement related to the load alleviation function.

User currently offlineSkyhooked From , joined Dec 1969, posts, RR:
Reply 2, posted (15 years 9 months 2 weeks 9 hours ago) and read 6504 times:

On the 320,the ailerons are drooped by 5 degrees when flaps are selected.The reason is to keep as constant as possible the caracteristics of the airfoil,meaning without too great an airflow discontinuity over the wingspan.

User currently offlineTripl7 From , joined Dec 1969, posts, RR:
Reply 3, posted (15 years 9 months 1 week 6 days 14 hours ago) and read 6461 times:

Thanks guys - but your replies are conflicting. Re the LAF, I hear that this is largely ineffective and some airlines have actually deleted this facility. Re- the droop, I have talked to pilots who say it exists, and others who have never heard of it. I guess if it is not in the manual, it must only be a figment.
Any body else who can confirm or deny the existence of the aileron droop?

User currently offlineVC-10 From United Kingdom, joined Oct 1999, 3727 posts, RR: 32
Reply 4, posted (15 years 9 months 1 week 6 days 11 hours ago) and read 6454 times:
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Yes there is Aileron droop on the A320 & A340. You will have to wait till I am next in at work next Tue for me to dig out more details

User currently offlineHeavyJet From , joined Dec 1969, posts, RR:
Reply 5, posted (15 years 9 months 1 week 6 days 11 hours ago) and read 6455 times:

There is an aileron droop on the A300-600.

User currently offlineMinuteman From United States of America, joined Aug 2000, 271 posts, RR: 0
Reply 6, posted (15 years 9 months 1 week 6 days 11 hours ago) and read 6458 times:

I've observed lots of flight data from Airbus planes and have never seen a symmetric deflection of ailerons. However, that does not necessarily mean this option is available.

However, I CAN confirm that flaperons are available on the MD-11 and are used the 777.

User currently offlineJt8djet From United States of America, joined Jul 2000, 214 posts, RR: 0
Reply 7, posted (15 years 9 months 1 week 6 days 6 hours ago) and read 6446 times:

The B767-300 has inboard aileron droop. It is mechanically driven from the flap drive system. As the flaps extend, the inboard ailerons will be lowered to 10 degs. As for the -200 & -400, I'm not sure.

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