N-1 1 Oct 06 N-1 1 Oct 06

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2 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT SYMBOLS DEFINITION SYMBOLS DEFINITION Indicates performance of steps is mandatory for all thruflights. (I) Indicates peculiarity for IFR configured helicopter. Indicates that expanded procedures are contained in the Performance "P" Section of the checklist. Indicates items also covered for passenger briefing. A+ Indicates peculiarity for A+ configured helicopter. NOTE This checklist is intended to serve as a convenient reference to the detailed procedures presented in the TH67 Operator's Supplement and the FAA approved Flight Manual. The preflight check is not intended to be a detailed mechanical inspection, but a guide to help the pilot check the condition of the helicopter. It may be made as comprehensive as conditions warrant at the discretion of the pilot. All areas checked shall include a visual check for evidence of corrosion, particularly when the helicopter is flown near or over salt water or in areas of high industrial emissions. PREFLIGHT CHECK BEFORE EXTERIOR CHECK 1. Ignition key switch ON. 2. Publications Check. 3. Covers, tiedowns, grounding cables and mooring chains Removed as required and secured. 4. Fuel Check quantity. Cap secure. Indicates performance of steps is mandatory for all thruflights. (I) Indicates peculiarity for IFR configured helicopter. Indicates that expanded procedures are contained in the Performance "P" Section of the checklist. Indicates items also covered for passenger briefing. A+ Indicates peculiarity for A+ configured helicopter. NOTE This checklist is intended to serve as a convenient reference to the detailed procedures presented in the TH67 Operator's Supplement and the FAA approved Flight Manual. The preflight check is not intended to be a detailed mechanical inspection, but a guide to help the pilot check the condition of the helicopter. It may be made as comprehensive as conditions warrant at the discretion of the pilot. All areas checked shall include a visual check for evidence of corrosion, particularly when the helicopter is flown near or over salt water or in areas of high industrial emissions. PREFLIGHT CHECK BEFORE EXTERIOR CHECK 1. Ignition key switch ON. 2. Publications Check. 3. Covers, tiedowns, grounding cables and mooring chains Removed as required and secured. 4. Fuel Check quantity. Cap secure. 5. Fuel sample Check as required. 5. Fuel sample Check as required. N1 1 Oct 06 N1 1 Oct 06

3 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 6. Cockpit Check as follows: 6. Cockpit Check as follows: (I) a. NONESS Buss switch NORMAL. NOTE After turning BATT switch on, check digital TOT gauge for ambient temperature. If TOT gauge continues to flash for up one minute, a limitation has been exceeded, maintenance action is required. b. BATT switch BATT. c. TOT gauge Check status of flashing readout (if digital TOT gauge). d. Anticollision and position lights ON; check; then OFF. e. Landing light and Searchlight ON; check; then OFF. IR S/L Check for NVG operations. f. Fuel quantity indicator Check. g. Fuel flow indicator Configure (as required). (I) h. Voltmeter selector switch MAIN BATT; check minimum 24 volt DC. (If less than 24 VDC, a GPU should be used to assist the start). i. Voltmeter VFR, and A+ check minimum 24 volt DC. (If less than 24 VDC, a GPU should be used to assist the start). j. Caution panel lights Test. k. TOT warning light Test (if installed). l. BATT switch OFF. m. Fire extinguisher Check. (I) a. NONESS Buss switch NORMAL. NOTE After turning BATT switch on, check digital TOT gauge for ambient temperature. If TOT gauge continues to flash for up one minute, a limitation has been exceeded, maintenance action is required. b. BATT switch BATT. c. TOT gauge Check status of flashing readout (if digital TOT gauge). d. Anticollision and position lights ON; check; then OFF. e. Landing light and Searchlight ON; check; then OFF. IR S/L Check for NVG operations. f. Fuel quantity indicator Check. g. Fuel flow indicator Configure (as required). (I) h. Voltmeter selector switch MAIN BATT; check minimum 24 volt DC. (If less than 24 VDC, a GPU should be used to assist the start). i. Voltmeter VFR, and A+ check minimum 24 volt DC. (If less than 24 VDC, a GPU should be used to assist the start). j. Caution panel lights Test. k. TOT warning light Test (if installed). l. BATT switch OFF. m. Fire extinguisher Check. N2 1 Oct 06 N2 1 Oct 06

4 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT n. Seat belts, seat cushions Check condition. n. Seat belts, seat cushions Check condition. 7. Crew door Check. 8. Cabin interior Check. 9. First Aid Kit Check. 10. Cabin door Check EXTERIOR CHECK FUSELAGE CABIN RIGHT SIDE 1. Static port(s) Check. 2. Landing gear Check. 3. Antennas, underside of fuselage, drain lines and vents Check. 4. Hydraulic servos and flight controls Check. 5. Transmission Check. 6. Transmission cowling Check secured. 7. Engine inlet Check. 8. Engine compartment Check. 9. Intermediate fuselage area Check. 10. Oil tank Check. TAILBOOM RIGHT SIDE 1. Tailboom Check. 2. Main rotor blade Check, rotate 90 degrees, tie down removed. 7. Crew door Check. 8. Cabin interior Check. 9. First Aid Kit Check. 10. Cabin door Check EXTERIOR CHECK FUSELAGE CABIN RIGHT SIDE 1. Static port(s) Check. 2. Landing gear Check. 3. Antennas, underside of fuselage, drain lines and vents Check. 4. Hydraulic servos and flight controls Check. 5. Transmission Check. 6. Transmission cowling Check secured. 7. Engine inlet Check. 8. Engine compartment Check. 9. Intermediate fuselage area Check. 10. Oil tank Check. TAILBOOM RIGHT SIDE 1. Tailboom Check. 2. Main rotor blade Check, rotate 90 degrees, tie down removed. N3 1 Oct 06 N3 1 Oct 06

5 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT TAILBOOM LEFT SIDE TAILBOOM LEFT SIDE 1. Tail rotor gearbox Check. 2. Tail rotor Check. 3. Tailboom Check. FUSELAGE LEFT SIDE 1. Oil cooler compartment Check. 2. Baggage compartment Check. 3. Intermediate fuselage Check. 4. Engine compartment Check. 5. Transmission Check. 6. Hydraulic servos and flight controls Check. 7. Transmission cowling Check secured. 8. Main rotor blade Check. FUSELAGE TOP 1. Engine inlet and plenum Check. 2. Engine oil cooler exhaust Check. 3. Engine exhaust Check. 4. Transmission oil cooler Check. 5. Hydraulic reservoir Check, cap secure. 6. Hydraulic servos and flight controls Check. 7. Transmission oil filler Check. 1. Tail rotor gearbox Check. 2. Tail rotor Check. 3. Tailboom Check. FUSELAGE LEFT SIDE 1. Oil cooler compartment Check. 2. Baggage compartment Check. 3. Intermediate fuselage Check. 4. Engine compartment Check. 5. Transmission Check. 6. Hydraulic servos and flight controls Check. 7. Transmission cowling Check secured. 8. Main rotor blade Check. FUSELAGE TOP 1. Engine inlet and plenum Check. 2. Engine oil cooler exhaust Check. 3. Engine exhaust Check. 4. Transmission oil cooler Check. 5. Hydraulic reservoir Check, cap secure. 6. Hydraulic servos and flight controls Check. 7. Transmission oil filler Check. N4 1 Oct 06 N4 1 Oct 06

6 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 8. Swashplate and flight controls Check. 8. Swashplate and flight controls Check. 9. Main rotor system Check. FORWARD FUSELAGE LEFT SIDE 1. Landing gear Check. 2. Fuselage underside Check. 3. Cabin interior Check. 4. Cabin door Check. 5. Cockpit interior Check. 6. Crew door Check. 7. Static port(s) Check. FUSELAGE FRONT 1. Windscreens Check. A+ 2. WSPS upper Check 3. Battery compartment Check door secure. 4. Ram air grills Check. 5. Pitot tube(s) Check. 6. Fuselage underside Check. A+ 7. WSPS lower Check. 8. Crew/passenger briefing Completed. 9. Pilot Walk Around Completed. BEFORE STARTING ENGINE 1. Pedals Adjust. 9. Main rotor system Check. FORWARD FUSELAGE LEFT SIDE 1. Landing gear Check. 2. Fuselage underside Check. 3. Cabin interior Check. 4. Cabin door Check. 5. Cockpit interior Check. 6. Crew door Check. 7. Static port(s) Check. FUSELAGE FRONT 1. Windscreens Check. A+ 2. WSPS upper Check 3. Battery compartment Check door secure. 4. Ram air grills Check. 5. Pitot tube(s) Check. 6. Fuselage underside Check. A+ 7. WSPS lower Check. 8. Crew/passenger briefing Completed. 9. Pilot Walk Around Completed. BEFORE STARTING ENGINE 1. Pedals Adjust. N5 1 Oct 06 N5 1 Oct 06

7 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 2. Seat belt/shoulder harness Fasten and adjust. 2. Seat belt/shoulder harness Fasten and adjust. 3. Shoulder harness inertia reels/locks Check. 4. Overhead circuit breakers and switches Check and set as required. 5. Pedestal circuit breakers and switches Check and set as required. 6. Collective control light switches Off. 7. Alternate static source(s) NORM/IN. 3. Shoulder harness inertia reels/locks Check. 4. Overhead circuit breakers and switches Check and set as required. 5. Pedestal circuit breakers and switches Check and set as required. 6. Collective control light switches Off. 7. Alternate static source(s) NORM/IN. (I) 8. STDBY ATT switch Off. (I) 8. STDBY ATT switch Off. 9. Instrument panel instruments and switches Check; set as follows: a. ICS & foot switch controls As desired. b. FUEL VALVE switch ON, guard closed. c. Compass slaving unit(s) SLAVE. d. Standby magnetic compass(es) Check. e. Flight instruments Check; set as required. f. Engine and transmission instruments Check. g. Miscellaneous control panel switches Set. (I) h. Voltmeter selector switch MAIN BATT. i. ENG ALT AIR switch CLOSE (if installed). A+ j. CRS SEL switch As desired. 10. Flight controls Check. 9. Instrument panel instruments and switches Check; set as follows: a. ICS & foot switch controls As desired. b. FUEL VALVE switch ON, guard closed. c. Compass slaving unit(s) SLAVE. d. Standby magnetic compass(es) Check. e. Flight instruments Check; set as required. f. Engine and transmission instruments Check. g. Miscellaneous control panel switches Set. (I) h. Voltmeter selector switch MAIN BATT. i. ENG ALT AIR switch CLOSE (if installed). A+ j. CRS SEL switch As desired. 10. Flight controls Check. N6 1 Oct 06 N6 1 Oct 06

8 Connect Disconnect. Check Ensure Advance Post Complete. Check ON. MUTE. MAIN ON. RESET, STDBY FORCE Cage Cage Cage Connect Disconnect. Check Ensure Advance Post Complete. Check STBY. MAIN RESET, STDBY FORCE Cage ON. Cage Cage TH67 OPERATOR'S SUPPLEMENT TH67 OPERA TOR'S SUPPLEMENT 11. Throttle and ensure Closed. 11. Throttle and ensure Closed. 12. Helmet and gloves 12. Helmet and gloves ON. 13. BATT switch Check voltage. 13. BATT switch ON. Check voltage. 14. Warning horn 14. Warning hornmute. (1) 15. FORCE TRIM switch TRIM. (1) 15. FORCE TRIM switch TRIM. 16. GPU as required. 16. GPU as required. STARTING ENGINE STARTING ENGINE 1. Fireguard (if available). 1. Fireguard (if available). 2. Rotor blades clear and untied. 2. Rotor blades clear and untied. 3. Throttle closed. 3. Throttle closed. 4. Engine start 4. Engine start 5. GPU ON). (Ensure BATT switch 5. GPU ON). (Ensure BATT switch 6. Throttle to 70% GAS PRODUCER (after 1 min warmup). 6. Throttle to 70% GAS PRODUCER (after 1 min warmup). 7. MAIN GEN switch then MAIN GEN. 7()., Th\'"Ðttl~ IJIe. (1) 8. STDBY GEN switch GEN. 7. MAIN GEN switch 70. Throttle. let k (1) 8. STDBY GEN switch then MAIN GEN. GEN. (1) 9. VM SEL switch GEN. (1) 9. VM SEL switch GEN. 10. TransponderSTBY. 10. Transponder 11. Avionics master switch ON. 11. Avionics master switch 12. Pilot ATT IND switch and ON. 12. Pilot ATT IND switch and ON. A+(I) 13. Copilot ATT IND switch and ON. A+(I) 13. Copilot ATT IND switch and ON. (1) 14. STBY ATT IND switch and ON. (1) 14. STBY ATT IND switch and ON. N7 1 Oct 06 N7 1 Oct 06

9 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 15. Clock Check; set as required. 15. Clock Check; set as required. 16. Preliminary HYDR SYSTEM check Complete. A+ 17. LOWER STROBE As required. ENGINE RUNUP 1. Engine and transmission instruments Check. 2. Throttle Full open. 3. RPM Set to 100%. 4. Air Conditioning Set as desired. 5. Heat and AntiIce systems Check if use is anticipated. (I)6. Electrical systems Check. (I)7. FORCE TRIM Check. 16. Preliminary HYDR SYSTEM check Complete. A+ 17. LOWER STROBE As required. ENGINE RUNUP 1. Engine and transmission instruments Check. 2. Throttle Full open. 3. RPM Set to 100%. 4. Air Conditioning Set as desired. 5. Heat and AntiIce systems Check if use is anticipated. (I)6. Electrical systems Check. (I)7. FORCE TRIM Check. 8. HYDR SYSTEM Check. 8. HYDR SYSTEM Check. 9. Avionics/navigation systems Check and set as required. 10. Flight instruments Check and set as required. 11. Doors Secure. 12. Cyclic and Collective frictions Set as desired. (I) 13. Force Trim Set as desired. 14. HIT Check Complete (if required). 15. Engine deceleration check Complete (if required). 9. Avionics/navigation systems Check and set as required. 10. Flight instruments Check and set as required. 11. Doors Secure. 12. Cyclic and Collective frictions Set as desired. (I) 13. Force Trim Set as desired. 14. HIT Check Complete (if required). 15. Engine deceleration check Complete (if required). N8 1 Oct 06 N8 1 Oct 06

10 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT HOVER CHECK HOVER CHECK 1. Center of gravity and flight controls Check. 2. Engine and transmission instruments Check. 3. Flight instruments Check as required. 4. Power Check. BEFORE TAKEOFF 1. RPM 100%. 2. Systems Check. 3. Avionics As required. 4. Crew, passengers, mission equipment Check. BEFORE LANDING Crew, passengers, mission equipment Check. AFTER LANDING 1. Transponder As required. 2. Landing light As required. ENGINE SHUTDOWN 1. Flight controls Set. 2. Throttle Idle (TOT stabilize, start 2 minute cool down). 3. Warning horn MUTE. 1. Center of gravity and flight controls Check. 2. Engine and transmission instruments Check. 3. Flight instruments Check as required. 4. Power Check. BEFORE TAKEOFF 1. RPM 100%. 2. Systems Check. 3. Avionics As required. 4. Crew, passengers, mission equipment Check. BEFORE LANDING Crew, passengers, mission equipment Check. AFTER LANDING 1. Transponder As required. 2. Landing light As required. ENGINE SHUTDOWN 1. Flight controls Set. 2. Throttle Idle (TOT stabilize, start 2 minute cool down). 3. Warning horn MUTE. (I) 4. FORCE TRIM switch ON. (I) 4. FORCE TRIM switch ON. 5. Alternate static sources OUT. 5. Alternate static sources OUT. N9 1 Oct 06 N9 1 Oct 06

11 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 6. Control frictions ON. 6. Control frictions ON. 7. Transponder SBY. 8. Overhead switches OFF as required. 7. Transponder SBY. 8. Overhead switches OFF as required. (I) 9. STBY ATT IND Switch OFF. (I) 9. STBY ATT IND Switch OFF. 10. MAIN GEN switch OFF (after 2 min. cool down). 11. Air Conditioning OFF. 12. Throttle Closed. 13. Warning Horn MUTE. 14. FUEL VALVE switch OFF. 15. Overhead switches OFF as required. (I) 16. Voltmeter selector switch MAIN BATT. 17. Ignition key switch OFF; remove as required. 10. MAIN GEN switch OFF (after 2 min. cool down). 11. Air Conditioning OFF. 12. Throttle Closed. 13. Warning Horn MUTE. 14. FUEL VALVE switch OFF. 15. Overhead switches OFF as required. (I) 16. Voltmeter selector switch MAIN BATT. 17. Ignition key switch OFF; remove as required. N10 1 Oct 06 N10 1 Oct 06

12 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT BEFORE LEAVING THE HELICOPTER BEFORE LEAVING THE HELICOPTER 1. Main rotor blades Tiedown. NOTE The walkaround inspection, commonly referred to as a "postflight" inspection, is not a detailed inspection to determine airworthiness. It is a final review of the major aircraft component areas to check for damage, fluid leaks, etc. that may have developed during flight. 1. Main rotor blades Tiedown. NOTE The walkaround inspection, commonly referred to as a "postflight" inspection, is not a detailed inspection to determine airworthiness. It is a final review of the major aircraft component areas to check for damage, fluid leaks, etc. that may have developed during flight. 2. Walkaround inspection Complete. 2. Walkaround inspection Complete. 3. Mission equipment Secure. 4. Forms Complete. 5. Covers Install as required. 6. Secure helicopter As required. 3. Mission equipment Secure. 4. Forms Complete. 5. Covers Install as required. 6. Secure helicopter As required. N11 1 Oct 06 N11 1 Oct 06

13 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT THIS PAGE INTENTIONALLY BLANK THIS PAGE INTENTIONALLY BLANK N12 1 Oct 06 N12 1 Oct 06

14 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT EXPANDED PROCEDURES EXPANDED PROCEDURES CREW AND PASSENGER BRIEFING 1. Crew introduction: a. Personal and professional equipment. b. Crew endurance. 2. Mission. 3. Execution: a. Routes and altitudes. b. Estimated time en route. c. Fuel and refuel requirements. CREW AND PASSENGER BRIEFING 1. Crew introduction: a. Personal and professional equipment. b. Crew endurance. 2. Mission. 3. Execution: a. Routes and altitudes. b. Estimated time en route. c. Fuel and refuel requirements. 4. Weather. 4. Weather. 5. NOTAMs. 6. Aircraft: a. Mission equipment. b. Service and inspection criteria. c. Performance data. d. Operating restrictions. 7. Emergency and egress procedures. a. Mission considerations. b. Crew responsibilities and passenger actions. c. Rendezvous points. d. Removal of injured personnel. 5. NOTAMs. 6. Aircraft: a. Mission equipment. b. Service and inspection criteria. c. Performance data. d. Operating restrictions. 7. Emergency and egress procedures. a. Mission considerations. b. Crew responsibilities and passenger actions. c. Rendezvous points. d. Removal of injured personnel. P1 1 Oct 06 P Oct 06 06

15 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT e. Inadvertent IMC procedures. e. Inadvertent IMC procedures. 8. Flight control transfer and emergency procedure coordination: a. Aircraft control. b. Dynamic rollover. 9. Crew duties: a. Pilot on the controls: (1) Fly the aircraft (primary focus is outside the aircraft). (2) Avoid traffic and obstacles. (3) Crosscheck instruments and systems. (4) Monitor and transmit on assigned radios. b. Pilot not on the controls: (1) Announce traffic and obstacles. (2) Announce when focused inside the aircraft. (3) Adjust avionics, and monitor and transmit on assigned radios. (4) Navigate. (5) Crosscheck instruments and systems. (6) Copy ATC clearances and mission data, and perform fuel consumption checks. 8. Flight control transfer and emergency procedure coordination: a. Aircraft control. b. Dynamic rollover. 9. Crew duties: a. Pilot on the controls: (1) Fly the aircraft (primary focus is outside the aircraft). (2) Avoid traffic and obstacles. (3) Crosscheck instruments and systems. (4) Monitor and transmit on assigned radios. b. Pilot not on the controls: (1) Announce traffic and obstacles. (2) Announce when focused inside the aircraft. (3) Adjust avionics, and monitor and transmit on assigned radios. (4) Navigate. (5) Crosscheck instruments and systems. (6) Copy ATC clearances and mission data, and perform fuel consumption checks. P2 1 Oct 06 P2 1 Oct 06

16 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT c. Observer: c. Observer: (1) Provide aircraft surveillance. (2) Perform duties assigned/requested by PC. 10. Questions concerning the PC's crew mission briefing. FUEL SAMPLE PROCEDURES 1. FUEL AFT BOOST and FWD FUEL BOOST circuit breakers OUT. 2. FUEL VALVE switch OFF. 3. BATT switch BATT. 4. Fuel drain Press, drain sample, release. 5. AFT FUEL BOOST and FWD FUEL BOOST circuit breakers In. 6. A/F fuel filter Check before the first flight of day as follows: Fuel filter test button Press and check A/F FUEL FILTER caution light illuminates. Release button and verify light extinguishes. ENGINE STARTING PROCEDURE (1) Provide aircraft surveillance. (2) Perform duties assigned/requested by PC. 10. Questions concerning the PC's crew mission briefing. FUEL SAMPLE PROCEDURES 1. FUEL AFT BOOST and FWD FUEL BOOST circuit breakers OUT. 2. FUEL VALVE switch OFF. 3. BATT switch BATT. 4. Fuel drain Press, drain sample, release. 5. AFT FUEL BOOST and FWD FUEL BOOST circuit breakers In. 6. A/F fuel filter Check before the first flight of day as follows: Fuel filter test button Press and check A/F FUEL FILTER caution light illuminates. Release button and verify light extinguishes. ENGINE STARTING PROCEDURE A start shall not be attempted at N1 speeds below 12%. A start shall not be attempted at N1 speeds below 12%. During the first few seconds of the start, the TOT will accelerate at a rapid rate and shall be closely monitored. During the first few seconds of the start, the TOT will accelerate at a rapid rate and shall be closely monitored. P3 1 Oct 06 P3 1 Oct 06

17 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT NOTE NOTE TURB OUT TEMP Monitor to avoid hot start. Abort start if either the 927 0C maximum or the 810 to 927 0C maximum 10 seconds transient limitation is about to be exceeded by depressing the engine IDLE REL button, close throttle, turn off fuel valve and continue to motor the starter until TURB OUT TEMP decreases to less than 200 0C. If limits are exceeded, TOT red light illuminates, or digital readout flashes, make entry on DA Form and consult maintenance personnel. 1. STARTER switch Engage, (I) verify BATTERY RELAY light illuminates, start time. TURB OUT TEMP Monitor to avoid hot start. Abort start if either the 927 0C maximum or the 810 to 927 0C maximum 10 seconds transient limitation is about to be exceeded by depressing the engine IDLE REL button, close throttle, turn off fuel valve and continue to motor the starter until TURB OUT TEMP decreases to less than 200 0C. If limits are exceeded, TOT red light illuminates, or digital readout flashes, make entry on DA Form and consult maintenance personnel. 1. STARTER switch Engage, (I) verify BATTERY RELAY light illuminates, start time. IFR Do not open the throttle when performing a battery start if the battery relay light is not illuminated. The battery override circuit has failed and engine damage may result. NOTE Do not wait for N1 to peak. Introduce fuel immediately upon reaching desired N1 speed. Delay in moving throttle to the idle detent may diminish battery capacity early in the start cycle. 2. Throttle Open to idle as GAS PRODUCER (N1) accelerates through 12% with TURB OUT TEMP at or below 150 o C. 3. Engine Oil Pressure Increasing by 20% N1. IFR Do not open the throttle when performing a battery start if the battery relay light is not illuminated. The battery override circuit has failed and engine damage may result. NOTE Do not wait for N1 to peak. Introduce fuel immediately upon reaching desired N1 speed. Delay in moving throttle to the idle detent may diminish battery capacity early in the start cycle. 2. Throttle Open to idle as GAS PRODUCER (N1) accelerates through 12% with TURB OUT TEMP at or below 150 o C. 3. Engine Oil Pressure Increasing by 20% N1. If the main rotor is not turning by 25% N1, abort the start. If the main rotor is not turning by 25% N1, abort the start. P4 1 Oct 06 P4 1 Oct 06

18 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 4. Main rotor Turning by 25% GAS PRODUCER (N1). 4. Main rotor Turning by 25% GAS PRODUCER (N1). 5. STARTER button Release at 58% N1 GAS PRODUCER (N1). 5. STARTER button Release at 58% N1 GAS PRODUCER (N1). IFR If the battery relay light does not extinguish, the battery protective circuit has malfunctioned. With this failure, IMC flight is prohibited. IFR If the battery relay light does not extinguish, the battery protective circuit has malfunctioned. With this failure, IMC flight is prohibited. (I) 6. BATTERY RELAY light Check extinguished. (I) 6. BATTERY RELAY light Check extinguished. 7. Engine and transmission oil pressures Increasing. 8. ENG OUT AND TRANS OIL PRESS Check lights out. 9. Engine Stabilize at idle (62% to 64% GAS PRODUCER N1). 10. Main Rotor RPM Check for 60% or greater. 7. Engine and transmission oil pressures Increasing. 8. ENG OUT AND TRANS OIL PRESS Check lights out. 9. Engine Stabilize at idle (62% to 64% GAS PRODUCER N1). 10. Main Rotor RPM Check for 60% or greater. NOTE If the engine has been shut down for more than 15 minutes, stabilize at idle speed for one minute before advancing throttle past engine idle. NOTE During cold temperature operations, stabilize engine at idle speed of 62% to 64% gas producer RPM (N1) until oil temperature reaches a minimum of 0 0C and oil pressure is within normal limits. NOTE If the engine has been shut down for more than 15 minutes, stabilize at idle speed for one minute before advancing throttle past engine idle. NOTE During cold temperature operations, stabilize engine at idle speed of 62% to 64% gas producer RPM (N1) until oil temperature reaches a minimum of 0 0C and oil pressure is within normal limits. P5 1 Oct 06 P5 1 Oct 06

19 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT IFR ELECTRICAL SYSTEM CHECK IFR ELECTRICAL SYSTEM CHECK 1. VM SEL MAIN GEN Check 28.5 VDC (+0.5VDC, 1VDC). 2. VM SEL STBY GEN Check 26 VDC minimum and 1 VDC less then Main Gen. 3. VM SEL STBY BATT Check 24 VDC minimum. 4. VM SEL ESS 1 Check 27 VDC minimum. 5. VM SEL ESS 2 Check 27 VDC minimum. 6. VM SEL NONESS BUSS Check 27 VDC minimum. 7. VM SEL SW MAIN GEN. IFR FORCE TRIM CHECK 1. FORCE TRIM switch ON; check enunciator light illuminated. 2. Pilot force trim release button Depress and hold; check cyclic for freedom of movement. 3. Pilot force trim release button Release; cyclic should anchor at release point. 4. Cyclic Move and release; cyclic should return to anchor point. 5. Repeat procedure for copilot cyclic. HYDRAULIC SYSTEM CHECK 1. VM SEL MAIN GEN Check 28.5 VDC (+0.5VDC, 1VDC). 2. VM SEL STBY GEN Check 26 VDC minimum and 1 VDC less then Main Gen. 3. VM SEL STBY BATT Check 24 VDC minimum. 4. VM SEL ESS 1 Check 27 VDC minimum. 5. VM SEL ESS 2 Check 27 VDC minimum. 6. VM SEL NONESS BUSS Check 27 VDC minimum. 7. VM SEL SW MAIN GEN. IFR FORCE TRIM CHECK 1. FORCE TRIM switch ON; check enunciator light illuminated. 2. Pilot force trim release button Depress and hold; check cyclic for freedom of movement. 3. Pilot force trim release button Release; cyclic should anchor at release point. 4. Cyclic Move and release; cyclic should return to anchor point. 5. Repeat procedure for copilot cyclic. HYDRAULIC SYSTEM CHECK (I) 1. FORCE TRIM switch Off. (I) 1. FORCE TRIM switch Off. 2. HYDR SYSTEM switch Off. 2. HYDR SYSTEM switch Off. P6 1 Oct 06 P6 1 Oct 06

20 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 3. Check normal operation of cyclic control by moving cyclic in an "X" pattern right forward to left aft, then left forward to right aft (approximately one inch). Center cyclic. 4. Collective Check for normal operations by increasing collective control slightly (1 to 2 inches). Repeat 2 to 3 times if required. Return to full down position. 5. HYDR SYSTEM switch ON. ENGINE DECELERATION CHECK Complete (if required). 1. N2 100%, stabilize 15 seconds. 2. Throttle Idle. Simultaneously start a time count. 3. Stop time as N1 passes through 65%. NOTE Multiple attempts may be required before proficiency is obtained in timing the deceleration. 4. Check deceleration time. Minimum allowable time is 2 seconds. If necessary, make two checks to confirm the time. If deceleration time is not 2 seconds or more, turn off Generator and complete another deceleration check. 5. If deceleration time is not 2 seconds or more, the aircraft shall not be flown. Make appropriate entries on DA Form WALKAROUND (POSTFLIGHT) INSPECTION 1. Landing Gear Check. 2. Hydraulic Servos and Flight Controls Check. 3. Check normal operation of cyclic control by moving cyclic in an "X" pattern right forward to left aft, then left forward to right aft (approximately one inch). Center cyclic. 4. Collective Check for normal operations by increasing collective control slightly (1 to 2 inches). Repeat 2 to 3 times if required. Return to full down position. 5. HYDR SYSTEM switch ON. ENGINE DECELERATION CHECK Complete (if required). 1. N2 100%, stabilize 15 seconds. 2. Throttle Idle. Simultaneously start a time count. 3. Stop time as N1 passes through 65%. NOTE Multiple attempts may be required before proficiency is obtained in timing the deceleration. 4. Check deceleration time. Minimum allowable time is 2 seconds. If necessary, make two checks to confirm the time. If deceleration time is not 2 seconds or more, turn off Generator and complete another deceleration check. 5. If deceleration time is not 2 seconds or more, the aircraft shall not be flown. Make appropriate entries on DA Form WALKAROUND (POSTFLIGHT) INSPECTION 1. Landing Gear Check. 2. Hydraulic Servos and Flight Controls Check. P7 1 Oct 06 P7 1 Oct 06

21 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT 3. Hydraulic Reservoir Check fluid level. 4. Transmission Condition and oil level 5. Engine Compartment Check. 6. Fuselage Condition. 7. Tailboom Condition. 8. Tail Rotor Gearbox Check. 9. Tail Rotor Check. 10. Tailboom Condition. 11. Fuselage Condition. 12. Engine Compartment Check. 13. Transmission Compartment Check. 14. Hydraulic Compartment Check. 15. Main Rotor System Check. 16. Landing Gear Check 17. Windshield Condition. 18. Fuselage Underside Condition. 3. Hydraulic Reservoir Check fluid level. 4. Transmission Condition and oil level 5. Engine Compartment Check. 6. Fuselage Condition. 7. Tailboom Condition. 8. Tail Rotor Gearbox Check. 9. Tail Rotor Check. 10. Tailboom Condition. 11. Fuselage Condition. 12. Engine Compartment Check. 13. Transmission Compartment Check. 14. Hydraulic Compartment Check. 15. Main Rotor System Check. 16. Landing Gear Check 17. Windshield Condition. 18. Fuselage Underside Condition. P8 1 Oct 06 P P8 11 Oct 06 06

22 TH67 OPERATOR S SUPPLEMENT EMERGENCY PROCEDURES CHECKLIST AUTOROTATE 1. Collective Adjust as required to maintain rotor RPM (90 to 107%). 2. Pedals Adjust. Crab or Slip as required. 3. Throttle Adjust as necessary. Close as required. 4. Airspeed Adjust as required. EMERGENCY SHUTDOWN 1. Throttle Close. 2. Fuel Valve Switch OFF. 3. BATT switch OFF as desired. ENGINE MALFUNCTIONS ENGINE FAILURE AT A HOVER 1. Autorotate. 2. Emer Shutdown Accomplish after landing. ENGINE FAILURE LOW ALTITUDE/LOW AIRSPEED or CRUISE. 1. Autorotate. 2. Emer Shutdown Accomplish during descent if time permits. TH67 OPERATOR S SUPPLEMENT EMERGENCY PROCEDURES CHECKLIST AUTOROTATE 1. Collective Adjust as required to maintain rotor RPM (90 to 107%). 2. Pedals Adjust. Crab or Slip as required. 3. Throttle Adjust as necessary. Close as required. 4. Airspeed Adjust as required. EMERGENCY SHUTDOWN 1. Throttle Close. 2. Fuel Valve Switch OFF. 3. BATT switch OFF as desired. ENGINE MALFUNCTIONS ENGINE FAILURE AT A HOVER 1. Autorotate. 2. Emer Shutdown Accomplish after landing. ENGINE FAILURE LOW ALTITUDE/LOW AIRSPEED or CRUISE. 1. Autorotate. 2. Emer Shutdown Accomplish during descent if time permits. E1 1 Oct 06 E1 1 Oct 06

23 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT ENGINE RESTART DURING FLIGHT 1. Throttle Close. 2. Fuel Valve Switch On. 3. Attempt start. 4. Land as soon as possible. ENGINE COMPRESSOR STALL 1. Collective Reduce. 2. Engine Antiice and Heater switches OFF. 3. Land as soon as possible. ENGINE OVERSPEED If an engine overspeed is experienced: 1. Collective Increase. 2. Throttle Adjust. 3. Land as soon as possible. ENGINE RESTART DURING FLIGHT 1. Throttle Close. 2. Fuel Valve Switch On. 3. Attempt start. 4. Land as soon as possible. ENGINE COMPRESSOR STALL 1. Collective Reduce. 2. Engine Antiice and Heater switches OFF. 3. Land as soon as possible. ENGINE OVERSPEED If an engine overspeed is experienced: 1. Collective Increase. 2. Throttle Adjust. 3. Land as soon as possible. If RPM cannot be controlled by throttle adjustment: 1. Autorotate when over a safe landing area. 2. Emer Shutdown Accomplish during descent if time permits. If RPM cannot be controlled by throttle adjustment: 1. Autorotate when over a safe landing area. 2. Emer Shutdown Accomplish during descent if time permits. E2 1 Oct 06 E2 1 Oct 06

24 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT ENGINE UNDERSPEED If powered flight with rotor in the green can be accomplished: 1. Land as soon as possible. An engine underspeed below 90% N2: 1. Autorotate. 2. Emer Shutdown Accomplish during descent if time permits. ENGINE SURGES If surges in engine RPM are experienced: 1. GOV INCR switch INCR for maximum RPM. 2. Throttle Adjust to 97% N2. 3. Land as soon as possible. If engine surges are not controlled in steps 1 and 2: 1. Autorotate When over a safe landing area. 2. Emer Shutdown Accomplish during descent if time permits. ENGINE UNDERSPEED If powered flight with rotor in the green can be accomplished: 1. Land as soon as possible. An engine underspeed below 90% N2: 1. Autorotate. 2. Emer Shutdown Accomplish during descent if time permits. ENGINE SURGES If surges in engine RPM are experienced: 1. GOV INCR switch INCR for maximum RPM. 2. Throttle Adjust to 97% N2. 3. Land as soon as possible. If engine surges are not controlled in steps 1 and 2: 1. Autorotate When over a safe landing area. 2. Emer Shutdown Accomplish during descent if time permits. E3 1 Oct 06 E3 1 Oct 06

25 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT FUEL BOOST PUMP FAILURE With one or both fuel boost pumps inoperative: 1. Descend to below 6,000 feet pressure altitude if possible. 2. Land as soon as practicable. LOW INLET PRESSURE / ENGINE ICING LOW INLET PRESSURE enunciator ON 1. ENGINE ALTERNATE AIR SWITCH OPEN. 2. If caution light remains ON, Land As Soon As Possible. 3. If caution light goes out, Land As Soon As Practicable. Related engine parameters should be monitored frequently until landing. ENGINE ICING 1. ENGINE ANTIICING switch ON (if conditions warrant). 2. TURB OUT TEMP Maintain within limits. LOW ENGINE OIL PRESSURE/HIGH ENGINE OIL TEMPERATURE Land as soon as possible. FUEL BOOST PUMP FAILURE With one or both fuel boost pumps inoperative: 1. Descend to below 6,000 feet pressure altitude if possible. 2. Land as soon as practicable. LOW INLET PRESSURE / ENGINE ICING LOW INLET PRESSURE enunciator ON 1. ENGINE ALTERNATE AIR SWITCH OPEN. 2. If caution light remains ON, Land As Soon As Possible. 3. If caution light goes out, Land As Soon As Practicable. Related engine parameters should be monitored frequently until landing. ENGINE ICING 1. ENGINE ANTIICING switch ON (if conditions warrant). 2. TURB OUT TEMP Maintain within limits. LOW ENGINE OIL PRESSURE/HIGH ENGINE OIL TEMPERATURE Land as soon as possible. E4 1 Oct 06 E4 1 Oct 06

26 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT AIR CONDITIONING MALFUNCTION 1. Air Conditioning and Fan switch OFF. 2. Land as soon as practicable. ROTOR, TRANSMISSION AND DRIVE SYSTEM MALFUNCTIONS COMPLETE LOSS OF TAIL ROTOR THRUST See emergency procedure. FIXED PITCH SETTINGS See emergency procedure. LOSS OF TAIL ROTOR COMPONENTS See emergency procedure. LOSS OF TAIL ROTOR EFFECTIVENESS 1. Pedal Full Left. 2. Cyclic Forward. 3. As recovery is affected, adjust controls for normal flight. 4. If spin cannot be stopped and crash is imminent, an autorotation may be the best course of action. Maintain full left pedal until the spin stops, then adjust to maintain heading. AIR CONDITIONING MALFUNCTION 1. Air Conditioning and Fan switch OFF. 2. Land as soon as practicable. ROTOR, TRANSMISSION AND DRIVE SYSTEM MALFUNCTIONS COMPLETE LOSS OF TAIL ROTOR THRUST See emergency procedure. FIXED PITCH SETTINGS See emergency procedure. LOSS OF TAIL ROTOR COMPONENTS See emergency procedure. LOSS OF TAIL ROTOR EFFECTIVENESS 1. Pedal Full Left. 2. Cyclic Forward. 3. As recovery is affected, adjust controls for normal flight. 4. If spin cannot be stopped and crash is imminent, an autorotation may be the best course of action. Maintain full left pedal until the spin stops, then adjust to maintain heading. E5 1 Oct 06 E5 1 Oct 06

27 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT MAIN DRIVE SHAFT FAILURE 1. Autorotate Establish a Power On autorotation. 2. Emer Shutdown Accomplish after landing. CLUTCH FAILS TO DISENGAGE 1. Throttle Open. 2. Land as soon as possible. MAST BUMPING Land as soon as possible. HOT START FIRE 1. Starter button Press and hold until TURB OUT TEMP is less than 200 C. 2. Throttle Closed. 3. FUEL VALVE switch OFF. 4. Complete shutdown. ENGINE/FUSELAGE/ELECTRICAL FIRE GROUND Emer Shutdown. MAIN DRIVE SHAFT FAILURE 1. Autorotate Establish a Power On autorotation. 2. Emer Shutdown Accomplish after landing. CLUTCH FAILS TO DISENGAGE 1. Throttle Open. 2. Land as soon as possible. MAST BUMPING Land as soon as possible. HOT START FIRE 1. Starter button Press and hold until TURB OUT TEMP is less than 200 C. 2. Throttle Closed. 3. FUEL VALVE switch OFF. 4. Complete shutdown. ENGINE/FUSELAGE/ELECTRICAL FIRE GROUND Emer Shutdown. E6 1 Oct 06 E6 1 Oct 06

28 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT ENGINE/FUSELAGE FIRE FLIGHT If poweron landing: 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. If poweroff landing: 1. Autorotate. 2. Emer shutdown Accomplish during descent if time permits. ELECTRICAL FIRE FLIGHT 1. BATT and MAIN GEN switches OFF. 2. IFR STDBY GEN switch OFF. 3. Land as soon as possible. 4. Emer shutdown Accomplish after landing. SMOKE AND FUME ELIMINATION 1. VENTS Open. 2. COCKPIT AND CABIN WINDOWS Open for maximum ventilation. ENGINE/FUSELAGE FIRE FLIGHT If poweron landing: 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. If poweroff landing: 1. Autorotate. 2. Emer shutdown Accomplish during descent if time permits. ELECTRICAL FIRE FLIGHT 1. BATT and MAIN GEN switches OFF. 2. IFR STDBY GEN switch OFF. 3. Land as soon as possible. 4. Emer shutdown Accomplish after landing. SMOKE AND FUME ELIMINATION 1. VENTS Open. 2. COCKPIT AND CABIN WINDOWS Open for maximum ventilation. E7 1 Oct 06 E7 1 Oct 06

29 TH67 OPERATOR S SUPPLEMENT ELECTRICAL SYSTEM MALFUNCTIONS VFR, A+ GENERATOR FAILURE NO OUTPUT 1. GEN FIELD, and GEN RESET Circuit Breakers Check In. 2. MAIN GEN switch Reset then MAIN GEN. (Do not hold the switch in the RESET position.) If power is not restored: 1. MAIN GEN switch Off. 2. Turn OFF all unnecessary electrical equipment. 3. Land as soon as practicable. IFR MAIN GENERATOR FAILURE NO OUTPUT 1. Voltmeter selector switch to MAIN GEN and verify no voltage showing on D.C. VOLTAGE meter. 2. Verify MAIN GEN FIELD, GEN RESET and BUSS TIE RELAY circuit breakers in. 3. MAIN GEN switch to RESET then MAIN GEN. If power is not restored: 1. Confirm standby generator is powering essential #1 buss, battery voltage on essential #2 buss, and nonessential buss disabled. 2. Nonessential buss may be powered by battery if necessary by placing the NONESS switch in MANUAL. If IMC, exit the IMC conditions and land as soon as practicable. TH67 OPERATOR S SUPPLEMENT ELECTRICAL SYSTEM MALFUNCTIONS VFR, A+ GENERATOR FAILURE NO OUTPUT 1. GEN FIELD, and GEN RESET Circuit Breakers Check In. 2. MAIN GEN switch Reset then MAIN GEN. (Do not hold the switch in the RESET position.) If power is not restored: 1. MAIN GEN switch Off. 2. Turn OFF all unnecessary electrical equipment. 3. Land as soon as practicable. IFR MAIN GENERATOR FAILURE NO OUTPUT 1. Voltmeter selector switch to MAIN GEN and verify no voltage showing on D.C. VOLTAGE meter. 2. Verify MAIN GEN FIELD, GEN RESET and BUSS TIE RELAY circuit breakers in. 3. MAIN GEN switch to RESET then MAIN GEN. If power is not restored: 1. Confirm standby generator is powering essential #1 buss, battery voltage on essential #2 buss, and nonessential buss disabled. 2. Nonessential buss may be powered by battery if necessary by placing the NONESS switch in MANUAL. If IMC, exit the IMC conditions and land as soon as practicable. E8 1 Oct 06 E8 1 Oct 06

30 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT IFR STANDBY GENERATOR FAILURE NO OUTPUT 1. Check STBY GEN switch in STBY GEN. 2. Verify no load on D.C. VOLTAGE meter with the Standby Generator selected. 3. Position STBY GEN switch to OFF/RESET then STBY GEN. 4. If power is not restored and flight is in IMC, land as soon as practicable. HYDRAULIC MALFUNCTIONS HYDRAULIC POWER FAILURE 1. Airspeed Adjust as necessary to attain the most comfortable level of control movements. 2. HYD BOOST circuit breaker Out. Check for restoration of hydraulic power. If hydraulic power is not restored: 1. HYD BOOST circuit breaker In. 2. HYDR SYSTEM switch OFF. 3. Land as soon as practicable. IFR STANDBY GENERATOR FAILURE NO OUTPUT 1. Check STBY GEN switch in STBY GEN. 2. Verify no load on D.C. VOLTAGE meter with the Standby Generator selected. 3. Position STBY GEN switch to OFF/RESET then STBY GEN. 4. If power is not restored and flight is in IMC, land as soon as practicable. HYDRAULIC MALFUNCTIONS HYDRAULIC POWER FAILURE 1. Airspeed Adjust as necessary to attain the most comfortable level of control movements. 2. HYD BOOST circuit breaker Out. Check for restoration of hydraulic power. If hydraulic power is not restored: 1. HYD BOOST circuit breaker In. 2. HYDR SYSTEM switch OFF. 3. Land as soon as practicable. E9 1 Oct 06 E9 1 Oct 06

31 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT EMERGENCY LANDING/DITCHING PROCEDURES LANDING IN TREES Autorotate with the throttle closed using the following procedures: 1. Airspeed Minimum at treetop level. 2. Descend Vertically into trees. 3. Collective Apply remaining collective prior to blades entering trees. DITCHING POWER ON If ditching becomes necessary, with power available accomplish an approach to a hover above the water and: 1. Doors Open. 2. Crew (except pilot) and passenger Exit. 3. Hover a safe distance away from personnel. 4. Autorotate. 5. Pilot Exit when the main rotor stops. EMERGENCY LANDING/DITCHING PROCEDURES LANDING IN TREES Autorotate with the throttle closed using the following procedures: 1. Airspeed Minimum at treetop level. 2. Descend Vertically into trees. 3. Collective Apply remaining collective prior to blades entering trees. DITCHING POWER ON If ditching becomes necessary, with power available accomplish an approach to a hover above the water and: 1. Doors Open. 2. Crew (except pilot) and passenger Exit. 3. Hover a safe distance away from personnel. 4. Autorotate. 5. Pilot Exit when the main rotor stops. E10 1 Oct 06 E10 1 Oct 06

32 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT DITCHING POWER OFF If an engine failure occurs over water and ditching is imminent, proceed as follows: 1. AUTOROTATE. 2. Doors Open. 3. Crew and passengers Exit when the main rotor stops. FLIGHT CONTROL MALFUNCTIONS FLIGHT CONTROL MALFUNCTIONS 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. LIGHTNING STRIKE LIGHTNING STRIKE 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. AUDIO WARNING SYSTEMS ENGINE OUT WARNING SYSTEM When this system is activated, an intermittent audio signal is produced and the ENG OUT light is illuminated (GAS PRODUCER less than 55% +/ 3). DITCHING POWER OFF If an engine failure occurs over water and ditching is imminent, proceed as follows: 1. AUTOROTATE. 2. Doors Open. 3. Crew and passengers Exit when the main rotor stops. FLIGHT CONTROL MALFUNCTIONS FLIGHT CONTROL MALFUNCTIONS 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. LIGHTNING STRIKE LIGHTNING STRIKE 1. Land as soon as possible. 2. Emer Shutdown Accomplish after landing. AUDIO WARNING SYSTEMS ENGINE OUT WARNING SYSTEM When this system is activated, an intermittent audio signal is produced and the ENG OUT light is illuminated (GAS PRODUCER less than 55% +/ 3). E11 1 Oct 06 E11 1 Oct 06

33 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT ROTOR LOW RPM WARNING SYSTEM When this system is activated, the ROTOR LOW RPM light is illuminated and a steady audio signal is produced. The low RPM warning system is activated when rotor rpm is less than 90%. WARNING/CAUTION ADVISORY PANEL LIGHTS ROTOR LOW RPM WARNING SYSTEM When this system is activated, the ROTOR LOW RPM light is illuminated and a steady audio signal is produced. The low RPM warning system is activated when rotor rpm is less than 90%. WARNING/CAUTION ADVISORY PANEL LIGHTS WARNING LIGHT (RED) SEGMENTS FAULT AND REMEDY WARNING LIGHT (RED) SEGMENTS FAULT AND REMEDY ENG OUT Verify engine condition. ENG OUT Verify engine condition. BATTERY HOT Land as soon as possible. BATTERY HOT Land as soon as possible. CAUTION LIGHT (AMBER) SEGMENTS FAULT AND REMEDY CAUTION LIGHT (AMBER) SEGMENTS FAULT AND REMEDY ROTOR LOW RPM Rotor RPM is below normal (approximately 90%). Reduce collective pitch and ensure throttle is full open. ROTOR LOW RPM Rotor RPM is below normal (approximately 90%). Reduce collective pitch and ensure throttle is full open. TRANS OIL PRESS Check gauge. Land as soon as possible. TRANS OIL PRESS Check gauge. Land as soon as possible. TRANS OIL TEMP Check gauge. Reducing power may help alleviate the condition. Check transmission oil pressure. Land as soon as possible. TRANS OIL TEMP Check gauge. Reducing power may help alleviate the condition. Check transmission oil pressure. Land as soon as possible. BATTERY TEMP Land as soon as possible. BATTERY TEMP Land as soon as possible. E12 1 Oct 06 E12 1 Oct 06

34 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT CAUTION LIGHT (continued) (AMBER) SEGMENTS FAULT AND REMEDY CAUTION LIGHT (continued) (AMBER) SEGMENTS FAULT AND REMEDY ENGINE CHIP Land as soon as possible. ENGINE CHIP Land as soon as possible. TRANS CHIP Land as soon as possible. T/R CHIP Land as soon as possible. TRANS CHIP Land as soon as possible. T/R CHIP Land as soon as possible. A/F FUEL FILTER Land as soon as practicable. A/F FUEL FILTER Land as soon as practicable. FUEL PUMP See emergency procedure. FUEL PUMP See emergency procedure. MAIN GEN FAIL See emergency procedure. MAIN GEN FAIL See emergency procedure. (I) STBY GEN FAIL See emergency procedure. (I) STBY GEN FAIL See emergency procedure. (I) STBY BATT ON Turn Standby Attitude switch OFF to avoid depleting the standby battery. (I) STBY BATT ON Turn Standby Attitude switch OFF to avoid depleting the standby battery. HEATER OVERTEMP HEATER switch OFF. If light does not extinguish: Land as soon as practicable. FUEL LOW Plan landing, approximately 12 gallons of fuel remains. HEATER OVERTEMP HEATER switch OFF. If light does not extinguish: Land as soon as practicable. FUEL LOW Plan landing, approximately 12 gallons of fuel remains. E13 1 Oct 06 E13 1 Oct 06

35 TH67 OPERATOR S SUPPLEMENT TH67 OPERATOR S SUPPLEMENT CAUTION LIGHT (continued) (AMBER) SEGMENTS FAULT AND REMEDY LOW INLET PRESSURE Land as soon as practicable. If the TOT increased significantly, Land as soon as possible. (I) BATTERY RELAY Illumination is normal during engine starting. At other times when BATT switch is in BATT, continued illumination indicates a fault in battery relay or protection circuits. Corrective action shall be taken prior to further flight. If light remains illuminated after BATT switch is turned OFF relay has failed in closed position. Manually disconnect battery. SPARE Unknown malfunction: Land as soon as possible. CAUTION LIGHT (continued) (AMBER) SEGMENTS FAULT AND REMEDY LOW INLET PRESSURE Land as soon as practicable. If the TOT increased significantly, Land as soon as possible. (I) BATTERY RELAY Illumination is normal during engine starting. At other times when BATT switch is in BATT, continued illumination indicates a fault in battery relay or protection circuits. Corrective action shall be taken prior to further flight. If light remains illuminated after BATT switch is turned OFF relay has failed in closed position. Manually disconnect battery. SPARE Unknown malfunction: Land as soon as possible. ADVISORY LIGHT FAULT AND REMEDY (GREEN) SEGMENTS ADVISORY LIGHT FAULT AND REMEDY (GREEN) SEGMENTS ENGINE ANTIICE ENGINE ANTIICING switch in ON position. Verify switch position is as desired. ENGINE ANTIICE ENGINE ANTIICING switch in ON position. Verify switch position is as desired. ANT. TUNE Wait till light extinguishes before talking. ANT. TUNE Wait till light extinguishes before talking. E14 1 Oct 06 E14 1 Oct 06