Aircraft instruments - USA Voorschrift, Technical Manual, 1-413 Aircraft inducation, fuel, and oil systems - USA Voorschrift, Technical Manual, 1-407 Aircraft power plant operation - USA Voorschrift, Technical Manual, 1-408 Aerostatics - USA Voorschrift, Technical Manual, 1-325 Elementary weather for air crew trainees - USA Voorschrift, Technical Manual, 1-231 Harmonization of aircraft fixed guns and sights - USA Voorschrift, Technical Manual, 1-495 Aviation engineers - USA Voorschrift, Tentative Technical Manual, 5-255 Coast artillery corps : I - USA Voorschrift, Training Regulations, No. 435 Instruments : Sights, quadrants, and fuze setters, antiaircraft artillery - USA Voorschrift, Technical Regulations, No. 1310-50 Field artillery : II - USA Voorschrift, Training Regulations, No. 430 Coast artillery corps : Gunnery for antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-160 Coast artillery corps : Gun drill, mobile mount, antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-250