101 views as at 17 May 2013. The Royal Australian Air Force held an air show at RAAF Air Base Williamtown, north of Newcastle, New South Wales, Australia on 3 April 1976. This De Havilland Canada DHC-4 Caribou A4-125 (based at RAAF Air Base Richmond, west of Sydney) gave a demonstration of a low altitude parachute drop within its display – portrayed here. The photo was taken with an Asahi Pentax SPII camera. The photo was tweaked using Gimp software – smudge tool to cover some imperfections and brightness/contrast tool and sharpening filter.