10/1975 PUB HUGHES HELICOPTERS HUGHES YAH-64 APACHE US ARMY AAH ORIGINAL AD | eBay
Hughes Helicopters 500D Model 369D Pilot's Flight Manual (part# CSP-D-1)
Hughes helicopter hi-res stock photography and images - Alamy
Hughes Helicopters | Military Wiki | Fandom
Hughes Helicopters - Wikipedia
MD Helicopters MD500 (Hughes 500)
Bell Helicopter And Hughes Aerospace Developing PBN For China | Business Aviation News: Aviation International News
Hughes Helicopter Picks up Record Load -- An Air Force XH-17 helicopter built by Hughes Aircraft company here completes its test program by picking up an Air Force trailer van weighing 7800