First flight of the Hiller YOH-5A (LOH competitor)

Monday, January 21, 1963



The LOH competition was a joint US Army/US Navy competion to find a new Light Observation Helicopter. The aircraft was originally designated to YHO-5A-UH before it was changed in 1962.

Source: 2016 Year at a Glance, 2016 AHS History Calendar


Aircraft related to this milestone
Hiller YOH-5A