From José-Daniel Cabanilles~
Sikorsky YCH-54A Tarhe, first of the 6 pre-production built, this one, crashed after take-off trying to avoid a CV-2 Caribou that was landing. The sling load started to oscillate, causing the helicopter to become uncontrollable and helicopter crashed. All crew were OK, but helicopter was completely destroyed. Crash occur near Da Nang Airfield, Quang Nam Province, South Vietnam on 9 august 1966. delivered 30 June 1964 assigned to the 478th Heavy Helicopter Company - "Hurricane"