GlobalAir.com - Aircraft for Sale & Aviation DirectoryThousands of aircraft for sale listed. Directory of aviation companies, flight schools, departments, maintenance companies and charter services. Also includes airport resource center with airport info and fuel prices.
http://www.globalair.com/ - report broken - 131 hits since 12 Aug 2013
Helis.com - Helicopter History SiteHelicopter reference site providing helicopter factsheets and lots of information on the history of helicopter flight and development, how they fly, operating helicopters, manufacturers, operations as well as additional heli stories, media and other features.