Luscombe Airfield, Nui Dat, South Vietnam, 1970. Aerial of formations of Iroquois helicopters of No. 9 Squadron RAAF, rotors idling on runway. Iroquois take off. Air to air shots of formation of Iroquois, Iroquois streaming smoke. Iroquois fly over Vung Tau. Ground shot of Iroquois approaching to land at Vung Tau air base.
Source: Australian War Memorial 4262234
Probably the 16 9SQN UH-1H helicopters were idling at kanga Pad Nui Dat & filmed from overhead. Luscombe Field was just north of Kanga pad