Search Results - "Helicopters History"

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  1. 1

    The helicopter an illustrated history of rotary-winged aircraft by Allen

    Published 1996
    Subjects: “…Helicopters History…”
    Book
  2. 2

    Skycrane Igor Sikorsky's last vision by McKenna, John A.

    Published 2010
    Subjects: “…Sikorsky helicopters History.…”
    Book
  3. 3

    Wonderful flying machines a history of U.S. coast guard helicopters by Beard

    Published 1996
    Subjects: “…Military helicopters History United States…”
    Book