High Quality Content by WIKIPEDIA articles! VX381 is a Fairey Firefly aircraft that crashed on 27 November 1956 in Jervis Bay, New South Wales, Australia. VX381 lies underwater in Hare Bay, the northern internal bay of Jervis Bay, at approximately 35°00 00 S 150°45 00 E / 35°S 150.75°E / -35; 150.75.On 27 November 1956 four aircraft from 851 Squadron, part of the Fleet Air Arm of the Royal Australian Navy, based at HMAS Albatross at nearby Nowra, were part of a training mission to familiarise crews with a navigation technique that allowed them determine the wind speed and direction and thereby fly to the aircraft carrier after a mission.