At time issue went to press 13 basic types of American aircraft engines described had not yet been awarded Approved Type Certificate by Civil Aeronautics Authority; in some instances, however, engine is awaiting approval pending completion of test, etc, and in some cases this official approval will have been granted to manufacturer in intervening time. (4 p between p 206 and 212)


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    Title :

    Aircraft engines -- Without approved type certificates


    Additional title:

    Aero Digest


    Published in:

    Aero Digest ; 36 , n 3


    Publication date :

    1940


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English