First flight of the prototype (YHC-1A) of the Vertol CH-46 Type series

Thursday, August 27, 1959



Tested by the U.S. Army, the aircraft was the protype for the CH-46 Sea Knight, equipped with two 850 shp GE T58-GE-6 engines.

The aircraft was later re-designated as the YCH-46C.


Aircraft related to this milestone
Boeing-Vertol YHC-1A