Koch was initially sent to England for training and assessment , where he flew the Avro 504 , the Armstrong Whitworth Siskin , and the Bristol Fighter . He then accepted a posting to the Middle East , and was attached to No. 208 Army Cooperation Squadron , RAF , at Heliopolis , Egypt . There he was operational on the Bristol Fighter , and in August and September 1929 was involved in the suppression of the Hebron riots . Whilst on leave in Australia in 1929 , Koch met with Lieutenant Colonel Horace Brinsmead , Controller of Civil Aviation , who advised him to gain experience on larger aircraft . However , his application for posting to a twin-engine squadron was refused . In May 1930 , the Squadron re-equipped with Armstrong Whitworth Atlas . Koch was also allowed to convert to the Vickers Vimy at No. 216 Squadron , and flew as second pilot on Vickers Victoria aircraft . He returned to Australia at the end of 1930 , arriving in Melbourne on 15 December . In Egypt , Koch had continued his interest in rifle shooting and photography
Hebron riots
1929 Hebron massacre
Aubrey Koch