IOR/L/E/8/4492

File includes:

• Record of the Commonwealth and Empire Conference on Radio for Civil Aviation, 1^st to 15^th February 1944 (War Cabinet C.E.R.C.A. (44)[15] Copy No.281 dated 31^st March 1944) and a Note by the Secretaries on Action since the Meeting of the Conference on 15^th February 1944 (War Cabinet C.E.R.C.A. (44)[16] Copy No.380 dated 24^TH August 1944)
• Record of the Second Commonwealth and Empire Conference on Radio for Civil Aviation, held at Ottawa, 14^th to 22^nd November, with a record of Discussions and Demonstrations, 10^th to 14^th November 1944 (printed by Edmond Cloutier, Ottawa, 1945)
• Joint Memorandum of 11^th January 1944 by the Air Ministry and the Ministry of Aircraft Production on Proposals for Employment of Facilities Available in the Immediate Post-War Period accompanied with schedules showing reasons for and against the use of communication systems on Internal Routes, European Routes, Empire Trunk Routes and Long Sea Crossings
• T.R.E. M.A.P. Diagrams (of January 1944) showing aviation communication systems that include schematic of VHF radar system, VHF radar set navigation methods, radar localiser, VHF radar set collision warning, HF radar system, glide path, instrumental landing and a radar station
• Diagram (C.R.B. Ref.42/4884) showing existing channels for exchange of technical radio data with a glossary of abbreviations and notes by the Central Radio Bureau in explanation of the diagram (11^TH January 1944)
• Air Ministry Memorandum on the Organisation and Provision of Signals Facilities for Transport Command, B.O.A.C., and other Civil Aviation Companies (January 1944)