Riggers,
A much-belated response, but here it is.
Yes. AvHistory.org is no more. Sim-outhouse obtained permission from AvHistory to place the AvHistory items on their site. Most, if not all, AvHistory aircraft have been placed on Sim-Outhouse to keep them viable.
http://www.sim-outhouse.comYou will need to register there in order to download.