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 … Supplement no.2, Army/Air Operations, Pamphlet no.4. (Chapter 3). Carriage of Vehicles bij Air. Section 1, Lorries, 3-ton, 4x4, General, in Dakota Aircraft. WO 8056 - … Fiting Instructions. Wireless Sets. no.19, 19 HP. 19/19, 19 H.P./19 in Trucks, 15 CWT, 4x4, 4x4, Personnel and Trucks, 15 CWT, Half Tracked, Personel. WO …