See
http://en.wikipedia.org/wiki/Air_France_Flight_296 and
http://www.airdisaster.com/investiga...96/af296.shtmlfor info on that crash
Also, I found info on Boeing winglets (as on B747-400 and B737-800) on Boeing website as well as info on raked wings (B787 Dreamliner and B747-8 Intercontinental) there too.
Airbus winglets info found on Airbus website.
Also looked at info on wikipedia