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Normalair Garrett Limited (NGL), or Normalair, was a British manufacturing company based in Yeovil, Somerset, England. It manufactured high altitude life support equipment for the aerospace industry. It is now a wholly owned subsidiary of Honeywell International Inc known as Honeywell Aerospace Yeovil (HAY). The company originally grew out of the Westland Aircraft Company who in 1933 enabled the Houston Everest expedition to make the first ever flight over Mount Everest, using oxygen and heating systems - precursors of the systems that would eventually be produced by Normalair. Westland Aircraft produced a cabin pressurisation control valve in 1941 for use in the Westland Welkin high altitude fighter bomber aircraft. Though the Welkin never got into full scale production the same valve was used in Mosquito, Wellington and Spitfire aircraft. ==Formation of the company== At the end of World War II, Westland had decided to focus on building helicopters, for which their high altitude technology was of no use; and on 15 March 1946 Normalair Limited was established on the Westland site in Yeovil. Ted Boulger was appointed general manager. with J Fearn appointed as Westland Board Director with responsibility for the new company. During the 1950s the company grew and continued to focus upon providing equipment that would allow aviators to operate at high altitude. In 1951 the company signed an agreement with the Eclipse Pioneer division of Bendix Aviation, now also owned by Honeywell, to manufacture and modify oxygen breathing regulators for aircrew. During this period, the Royal Aircraft Establishment gave the company responsibility for all military oxygen work and as a result acquired complete life support systems capability including oxygen masks and emergency oxygen supply. In anticipation of the long range support needed by the de Havilland Comet Normalair set up subsidiaries in Melbourne, Australia and in Toronto, Canada. The company employed 250 people in 1954 and in the same year produced LOX (Liquid Oxygen) converters for the German Air Force, F-86 Sabre. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Normalair」の詳細全文を読む スポンサード リンク
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