H-34 Choctaw/Systems

1 Helicopter

1.1 General

The Shergood H-34/S-58 is a piston engine helicopter designed for transportation of cargo and for search-and-rescue operations in day, night, visual and instrument conditions. The helicopter is powered by a 1,525 hp Wright R-1820-84 Cyclone rotary engine mounted in the nose of the aircraft. A drive shaft from the engine feeds diagonally up to the main transmission mounted under the main rotors. Fuel is carried by three cells on the belly of the aircraft. An entrance door is located on the forward right side of the main cabin with a hydraulic winch mounted over the door.

1.2 Gross Weight

The maximum gross weight is 13,300 pounds.

1.3 Pilot-Side Instrument Panel

Figure 1: Pilot-side instrument panel

1. DME	2. RMI	3. Attitude Indicator	4. Tail-Number plate
5. Airspeed Indicator	6. Altimeter	7. Radio Altimeter	8. Checklist
9. Fuel Indicator Selector	10. Fuel Indicator Test	11. Fuel Indicator	12. Turn/Slip Indicator
13. RPM Indicator	14. Manifold Pressure	15. HOBBS Time	16. #2 VOR
17. VSI	18. #1 VOR	19. 8-Day Clock	20. Tail Wheel Lock

1.4 Copilot-Side Instrument Panel

Figure 2: Copilot-side instrument panel

1. Tail-Number plate	2. Airspeed Indicator	3. Attitude Indicator	4. RMI
5. Airspeed Indicator	6. Turn/Slip Indicator	7. Altimeter	8. 8-Day Clock
9.Manifold Pressure	10. VSI	11. Radio Altimeter

1.5 Center Instrument Panel

Figure 3: Center Instrument Panel

1. Pri. Hyd. Press	2. Aux. Hyd. Press	3. Main Trans. Oil Press	4. Main Trans. Oil PrTr,ss
5. Chip Indicator	6. Main Switch Panel	7. Checklist	8. DC Volts/Amps
9. Carburetor Temp.	10. Cylinder Temp.	11. Oil Temp/Press, Fuel Press	12. UFH Radio
13. Transponder	14. Parking Brake

1.6 Overhead Panel

Figure 4: Overhead Panel

The overhead panel includes various miscellaneous switches including most of the lighting controls, and controls for the hoist and heating systems.