Wikimedia Commons has media related to Hiller Helicopters.

v t e Hiller and United Helicopters aircraft
Civil helicopters	UH-12 FH-1100
Military helicopters	HTE-1 OH-23 Raven YOH-5 Ten99
Experimental helicopters	XH-44 YH-32 Hornet YROE X-18 VZ-1 Pawnee