Jumat, 25 Agustus 2017

Solving the Problem of ‘Fog Flying’

How private philanthropy, inventive engineers and a courageous pilot put the “I” in IFR. Airmen of all nations faced a common problem in the 1920s: flying safely when darkness, clouds or fog obscured their way. In an era when IFR flying literally meant “I Follow Railroads,” it constituted the greatest of all flight safety challenges. …

The post Solving the Problem of ‘Fog Flying’ appeared first on HistoryNet.



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