No. 142 Squadron of the Royal Flying Corps (RFC) was formed at RFC Ismailia, Egypt in 1918, flying a mixed bag of reconnaissance and bomber aircraft. On the formation of the Royal Air Force, on 1 April 1918, 142 Squadron was at RFC Julis in Palestine, becoming No. 142 Squadron RAF. After operations in Palestine the squadron retired to RAF Suez where it disbanded on 1 February 1920, to form No. 55 Squadron RAF.
