British Military Aviation in 1935

14 January
Air Chief Marshal Sir Cyril Newall is appointed Air Member for Supply and Organisation and Air Marshall Sir Hugh Dowding's post is changed from Air Member for Supply and Research to Air Member for Research and Development.

26 February
Following proposals advanced by Mr R.A. Watson Watt, the Superintendent of the National Physical Laboratory's Radio Department, to the Committee for Scientific Survey of Air Defence (CSSAD), the first practical demonstration of the use of radio to detect aircraft is carried out. Signals generated by a 10 kilowatt transmitter at Daventry are reflected off a Handley Page Heyford of the Royal Air Force, enabling the aircraft to be detected by staff from the Slough Radio Research Station using experimental apparatus erected at Weedon in Northamptonshire. An estimated maximum detection range of approximately 8 miles is achieved during the trial.

1 March
The German Air Force (the Reichsluftwaffe) is officially formed and the existence of the new service, which contravenes the terms of the Treaty of Versailles, is made public by Hermann Goering in an interview with a British journalist on 10 March.

22 May
Proposals to increase the strength of the Royal Air Force by 1,500 aircraft by 1937 are announced.

31 May
A major earthquake in India destroys the Royal Air Force base at Quetta and the nearby settlement of the same name. All of the station's buildings, apart from the hangers collapse, killing 55 Royal Air Force personnel and dependants and 66 local employees. Of the two squadrons based at Quetta, only three of No.31 Squadron's aircraft remain serviceable and all of No.5 Squadron's aircraft are damaged. Over 30,000 of the 65,000 population of Quetta lose their lives.

6 July
A Royal Jubilee Review of the RoyalAir Force by King George V is held at Mildenhall and Duxford and includes an inspection of 200 aircraft on the ground and a flypast of 350 aircraft.

23 July
The first report on radio direction finding, later renamed radar, is made to the Air Defence Research Committee in the United Kingdom.

20 August
Following an attempt by dissident Upper Mohmand tribes on the North-West Frontier, to destroy the Gandab military road and its outposts, No.27 and No.60 Squadrons of the Royal Air Force begin to provide air support for ground forces attempting to regain control of the region.

9 September
The Royal Air Force (RAF) begins a night bombing campaign in Afghanistan. However, this offensive is reduced as a consequence of the Quetta earthquake on 31 May.

October
In response to the Italian invasion of Abyssinia from bases in Eritrea and Somaliland, British military forces in the Middle East are strengthened and brought to a heightened state of readiness. Eleven Royal Air Force (RAF) squadrons are despatched from the United Kingdom to stations in the Mediterranean and Middle East and they remain in the region until returning to the United Kingdom in August and September 1936.

6 November
The prototype of the Hawker Hurricane fighter, with a Rolls-Royce Merlin engine, makes its first flight, flown by Hawker test pilot P.W.S. 'George' Bulman.