Aircraft spoilers

[chriskyle1]

Hi, i'm a new member. As a airline and aircraft enthusiast i have always wondered what the spoilers on a comercial aircraft are used for. If anybody could take the time to reply to me that would be great. Cheers in advance.

[BOAC]

http://en.wikipedia.org/wiki/Spoiler_(aeronautics)

[Gonzo]

Or even...

http://en.wikipedia.org/wiki/Spoiler_%28aeronautics%29

BOAC's link didn't return any articles for me.

[BOAC]

Ta Gonzo - technology - pah!:)

[chriskyle1]

Thanks Guys