radio operator - USA Voorschrift, Technical Manual, 11-454 Carriage of Engineer Equipment by Air, Section 3, Scraper, Self-loading, Airborne, Towed Type, Hydraulic, 1½ CU YD in Dakota Aircraft. Code No. 7033 - Engeland … Aircraft engine operation and test - USA Voorschrift, Technical Manual, 1-408 Operator's Manual Multimeters AN/PSM-6, AN/PSM-6A, AND AN/PSM-6B - USA Voorschrift Technical Manual 11-6625-475-10 Railway operating rules - USA Voorschrift, Technical Manual, 55-200 River-crossing operations - USA Voorschrift, Field Manual, 31-60 Jungle operations - USA Voorschrift, Field Manual, 31-30 Amphibious operations embarkation and ship loading (unit loading officer) - USA Voorschrift, Field Manual, 60-30 Airmobile operations - USA Voorschrift, Field Manual, 57-35 Switchboard BD-96 : repair instructions operational requirements - USA Voorschrift, Technical Manual, 11-4314 Operating practices for army administrative telephone switchboards - USA Voorschrift, Technical Manual, 24-210 Ringing equipments EE-100-T1, EE-100-A (voice frequency) and EE-101-A (voice frequency) : repair instructions operational requirements - USA Voorschrift, Technical Manual, 11-4409