Austrian Airlines Flight 901 Austrian Airlines Flight 901 Austrian Airlines Flight 901 was a flight from Vienna, Austria to Moscow, USSR (now Russia) via Warsaw, Poland. On the night of 26 September 1960 the aircraft operating the flight, a Vickers Viscount, crashed near Moscow while on its approach to land, killing 31 of the 37 passengers and crew on board. The aircraft was a Vickers Viscount 837 four-engined turboprop airliner registered "OE-LAF". The aircraft had first flown on 10 February 1960 and had been delivered new to Austrian Airlines about two weeks later, seven months before the crash. The aircraft departed Warsaw with six
Vickers machine gun Vickers E.F.B.1 biplane, which was probably the world's first purpose-built combat aeroplane. However, by the time the production version, the Vickers F.B.5, had entered service the following year, the armament had been changed to a Lewis gun. During World War I, the Vickers gun became a standard weapon on British and French military aircraft, especially after 1916. Although heavier than the Lewis, its closed bolt firing cycle made it much easier to synchronize to allow it to fire through aircraft propellers. The belt feed was enclosed right up to the gun's feed-way to inhibit effects from wind. Steel disintegrating-link ammunition