World Aviation in 1947

4 April
The International Civil Aviation Organisation (ICAO) is established with headquarters at Montreal in Canada.

3 July
The Philippine Air Force is re-established.

26 July
President Truman signs the United States Armed Forces Unification Act.

3 August
The first public appearance of the Tupolev Tu4 heavy bomber takes place at the Soviet Aviation Day parade. The aircraft is a reverse engineered copy of the American B29.

14 August
Following the partition of India, the Royal Pakistan Air Force is established. It drops Royal from its title on 23 March 1956.

18 September
The United States Air Force (USAF) is founded, and the new service becomes independent within a newly unified United States armed forces.

22 September
A United States Air Force (USAF) C54 Skymaster makes a fully-automatic flight from Stephenville in Newfoundland to the United Kingdom.

1 October
Los Angeles Airways inaugurates its first scheduled helicopter airmail service using Sikorsky S51s.

14 October
The Bell X1 rocket-powered aircraft, piloted by Captain Charles ‘Chuck’ Yeager, becomes the first to exceed the speed of sound in level flight. It reaches a speed of Mach 1.015 or 1,078kph (670mph) at an altitude 12,800 metres (42,000 feet).

Also this year…
Pan American World Airways’ (Pan-Am) ‘Clipper’ becomes the world’s first in-flight magazine.