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)
Aircraft engines -- Without approved type certificates
Aero Digest
Aero Digest ; 36 , n 3
1940
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Aircraft engines -- Without approved type certificates
Engineering Index Backfile | 1938
Aircraft engines -- Without approved type certificates
Engineering Index Backfile | 1939
Aircraft engines -- Without approved type certificates
Engineering Index Backfile | 1938
Aircraft engines -- Manufactured under approved type certificates
Engineering Index Backfile | 1938
Aircraft engines -- Manufactured under approved type certificates
Engineering Index Backfile | 1938