British Civil Aviation in 1943

4 February
British Overseas Airways Corporation (BOAC) begins operations between Leuchars in Scotland and Stockholm in Sweden with de Havilland Mosquito aircraft, for high speed deliveries of high-value low-weight freight, and passengers.

11 May
British Overseas Airways Corporation (BOAC) begins a Douglas DC3 service between the United Kingdom and Lisbon in Portugal.

20 September
The de Havilland Vampire makes its first flight at Hatfield in Hertfordshire.