@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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Eastern Air Lines was a major operator of the Douglas DC-2 and DC-3 and provided maintenance crews with manuals that included data on the airframe, lubrication, brakes, the electrical system, instruments, engines, the oil system, landing gear, and fuel systems. #BytheBook . This tweet was posted on April 11, 2019.