A320 Aileron Droop.

Fri Aug 18, 2000 3:04 am

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)?

RE: A320 Aileron Droop.

Fri Aug 18, 2000 8:46 am

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.

RE: A320 Aileron Droop.

Fri Aug 18, 2000 9:02 am

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.

RE: A320 Aileron Droop.

Sat Aug 19, 2000 4:42 am

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?
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Joined: Tue Oct 26, 1999 11:34 am

RE: A320 Aileron Droop.

Sat Aug 19, 2000 7:02 am

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

RE: A320 Aileron Droop.

Sat Aug 19, 2000 7:03 am

There is an aileron droop on the A300-600.
Posts: 260
Joined: Sat Aug 05, 2000 1:01 am

RE: A320 Aileron Droop.

Sat Aug 19, 2000 7:10 am

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.
Posts: 196
Joined: Fri Jul 07, 2000 12:28 am

RE: B767 Aileron Droop.

Sat Aug 19, 2000 12:25 pm

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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