H-34 Choctaw/Normal Procedures
SECTION 6. NORMAL PROCEDURES
1 General
This section describes the procedures necessary to safely and efficiently operate your aircraft. A basic understanding of helicopter flight techniques is assumed.
2 Preflight Procedures
3 Normal Start-Up
3.1 Prestart
- Rotor Brake – ON
- Anti-collision lights – AS REQUIRED
- Cabin lights – AS REQUIRED
- All Light Rheostats - AS REQUIRED
- Cabin Heater Switch - OFF
- Fan Switch - OFF
- Pitot Heater Switch - OFF
- Windshield Wiper Rotary Switch - OFF
- Crew Alarm Bell - TEST
- Hoist Master Switch - OFF
- Radio Master Switch - RADIO MASTER
- Circuit Breakers - IN
- Stick Trim Switch – ON
- Fuel Shutoff Valve - Open
- Mixture Control Lever - IDLE CUT-OFF
- Carburetor Air Lever - DIRECT
- Clutch Pump Switch - OFF
- Servo Switch – ON
- Parking Brake Handle - RESET
- Tail Wheel - LOCKED
- Radios, Radar Altimeter, IFF - OFF
- Ignition Switch - OFF
- Fuel Booster Pump Switch - OFF
- External Power - ON (voltage checked)
- Battery-Generator Switch - BATT ONLY (voltage checked) Note: When starting without external power, the battery-generator switch must be in the BATT ONLY position to energize the starter relay and engine primer which are connected to the secondary bus.
Fuel Pressure – Check
- Fuel Shut-Off Switch - CLOSED
- Fuel Pressure Gage - ZERO PSI
- Fuel Shut-Off Switch - OPEN
- Fuel Pressure Gage - Check for Fuel Pressure Increase
- Fuel Booster Switch- FUEL BSTR PUMP
- Clutch Pump Warning Light - TEST
- Instr. Pwr. Failure Warning Lights - TEST
- Fuel Low Level Warning Light - TEST
- Rotor Brake Warning Light - TEST
- Generator Warning Light - TEST
- Collective - DOWN
- Throttle – CLOSED