TM 1-1520-238-10 Change 4 Index 9 Subject Page No. Subject Page No. Direction Finder Set, AN/ARN-89 Controls and Function . . . . . . . . . . . . . . . . . . . . . . . . 3-30 Directional Control Pedals . . . . . . . . . . . . . . . 2-42 Discrepancies, Performance -701 Engine . 7-2 Discrepancies, Performance -701C Engine 7A-2 Dispenser Control Panel Control/Indicator Function (table) . . . . . . . . . . . . . . . . . . . . . . 4-70.1 Dispenser Kit M-130 . . . . . . . . . . . . . . . . . . . . 4-70 Ditching (Power Off) . . . . . . . . . . . . . . . . . . . . 9-14 Ditching (Power On) . . . . . . . . . . . . . . . . . . . . 9-14 Ditching and Landing . . . . . . . . . . . . . . . . . . . 9-13 Doppler Navigation Set, AN/ASN-128 . . . . . 3-37 Doppler Navigation Set, AN/ASN-137 . . . . . 3-46 Drag Chart and Authorized Armament Configurations -701 Engine (figure) . . . . 7-70 Drag Chart and Authorized Armament Configurations -701C Engine (figure) . . . 7A-67 Drag Performance, Use of Chart -701 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-69 Drag Performance, Use of Chart -701C Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-66 Drag, Performance Conditions -701 Engine 7-69 Drag, Performance Conditions -701C Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-66 Drag, Performance Description -701 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-69 Drag, Performance Description -701C Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7A-66 Drive Shafts, Tail Rotor . . . . . . . . . . . . . . . . . . 2-58 Dual Engine Failure . . . . . . . . . . . . . . . . . . . . 9-7 Dual Engine Failure Low Altitude/Low Airspeed and Cruise . . . . . . . . . . . . . . . . . 9-7 Dual IHADSS/HDU Failure . . . . . . . . . . . . . . 9-21 During Flight, Engine Restart . . . . . . . . . . . . 9-9 Duties, Crew . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 E ECS Control Panel (figure) . . . . . . . . . . . . . . 2-64 ECS Emergency Operation . . . . . . . . . . . . . . 2-65 ECS Normal Operation . . . . . . . . . . . . . . . . . . 2-64 Effectivity and Series Codes . . . . . . . . . . . . . 1-2 Egress, Emergency . . . . . . . . . . . . . . . . . . . . . 9-2 Electrical Control Unit (ECU) . . . . . . . . . . . . . 2-26 Electrical Fire in Flight . . . . . . . . . . . . . . . . . . 9-12 Electrical Power Distribution System (figure) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68 Electrical Power Sources, Fuel System . . . . 2-41 Electrical Power System . . . . . . . . . . . . . . . . 2-66 Electrical System Failures, General . . . . . . . 9-13 Electrical System, APU . . . . . . . . . . . . . . . . . 2-72 Electronic Module Switch Functions (table) 4-71 Embedded GPS Inertial (EGI) . . . . . . . . . . . . 3-63 Emergency Action, After . . . . . . . . . . . . . . . . 9-2 Emergency Egress . . . . . . . . . . . . . . . . . . . . . 9-2 Emergency Engine Start, DECU Installed Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9 Emergency Entrance . . . . . . . . . . . . . . . . . . . 9-2 Emergency Equipment, General . . . . . . . . . . 2-19 Emergency Exits and Equipment . . . . . . . . . 9-2 Emergency Exits and Equipment (figure) . . 9-3 Emergency Floodlight System . . . . . . . . . . . 2-75 Emergency Landing in Wooded Areas (Power Off) . . . . . . . . . . . . . . . . . . . . . . . . . 9-13 Emergency Oil System, Engine . . . . . . . . . . 2-28 Emergency Operation, (Avionics) . . . . . . . . . 3-1 Emergency Operation, ECS . . . . . . . . . . . . . 2-65 Emergency Procedures . . . . . . . . . . . . . . . . . 2-21 Emergency Procedures, (Crew Briefing) . . . 8-1 Emergency Procedures, Aircraft Systems, General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Emergency Procedures, Caution/Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-15 Emergency Terms, Definition of . . . . . . . . . . 9-1 ENCU Malfunction . . . . . . . . . . . . . . . . . . . . . . 9-21 Engine Accessory Section Module . . . . . . . . 2-22 Engine Air Induction . . . . . . . . . . . . . . . . . . . . 2-22 Engine Alternator . . . . . . . . . . . . . . . . . . . . . . . 2-28 Engine Alternator -701 . . . . . . . . . . . . . . . . . . 2-28 Engine Alternator -701C . . . . . . . . . . . . . . . . . 2-28 Engine Alternator Malfunction . . . . . . . . . . . . 9-22 Engine and APU Fire Detection . . . . . . . . . . 2-19 Engine and APU Fire Detector Testing . . . . 2-19