Army ground forces : light aviation - USA War Department Field Manual, FM 20-100 Military intelligence : identification of U.S. government aircraft - USA Voorschrift, Basic Field Manual, 30-30 Aircraft mechanics tools - USA Voorschrift, Technical Manual, 1-425 Airplane structures - USA Voorschrift, Technical Manual, 1-410 Airplane hydraulic systems and miscellaneous equipment - USA Voorschrift, Technical Manual, 1-411 Aircraft electrical systems - USA Voorschrift, Technical Manual, 1-406 Applied physics for airplane mechanics - USA Voorschrift, Technical Manual, 1-750 Airplane inspection guide - USA Voorschrift, Technical Manual, 1-415 Miscellaneous aircraft equipment - USA Voorschrift, Technical Manual, 1-416 Army Air Operations Pamphlet. no.4 (chapter 3), supplement no.2, Carriage of Vehicles by Air. Section 1, Lorries, 3 ton, 3x4, General, in Dakota Aircraft. WO … Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Military Intelligence : identification of Japanese aircraft