Pre-Flight Check

Master switch on Oil pressure, alternator, governor lights: On Warning light test switches: Push To Test Fuel Quantity: Check Gages Master Switch: Off Aux Fuel Tank Quantity: Check Fuel Filler Cap: Tight Aux Fuel Tank: No Leaks Aux Fuel Drain: Sample Gearbox Oil: Full, No Leaks Rotor Brake: Actuation Normal Flex Coupling: No Cracks, Nuts Tight Yoke Flanges: No Cracks Gearbox Teletemp: Normal Sprag Clutch: No Leaks Static Source: Clear Control Rod Ends: Free Without Looseness Steel Tube Frame: No Cracks All Fasteners: Tight Tail Rotor Control: No Interference Cowl Door: Latched

Carb Air Ducts: Secure Carb Heat Scoop: Secure Engine Sheet Metal: No Cracks Electrical Terminals: Tight Fuel Line: No leaks Oil Cooler Door: Check Oil lines: No leaks or chafing Exhaust System: No cracks Engine General Condition: Check V-belt Condition: Check V-belt Slack: Check Sprag Clutch: No leaks Upper Bearing: No leaks Teletemp - Upper Bearing: Normal Lower Sheave Groove Wear: Smooth & Uniform Flex Coupling: No cracks, Nuts tight Yoke Flanges: No cracks Steel Tube Frame: No cracks Tail Rotor Control: No interference

Cooling Fan Nut: Pin in line with marks Cooling Fan: No cracks Fan Scroll: No cracks Teletemps - Lower Bearing: Normal Lower Bearing: No leaks

Tail Surfaces: No cracks Fasteners: Tight Position Light: Check

Gearbox Teletemp: Normal Gearbox: Oil Visible, No leaks Blades: Clean and no damage/cracks Rod Ends: Free without looseness Pitch Link Jam Nuts: Tight Teeter Bearings: Check condition Teeter Bearing Bolt: Does not rotate

Rivets: Tight Skins: No cracks or dents Strobe Light Condition: Check Antenna: Check Attachment Bolts: Tight

Blades: Clean and no damage/cracks Pitch Change Boots: No leaks Main Hinge Bolts: Cotter pins installed All Rod Ends: Free without looseness Pitch Link Jam Nuts: Tight Pitch Link Safety Wire: Secure All Fasteners: Tight Swashplate Scissors: No excessive looseness

Control rods attached, pal nuts tight Battery drain hose: Check Blade droop stop: Check Crankcase vent oil drip: Normal Skid shoe: Check wear

Engine Oil: 4-6 Quarts Oil Filter (if installed) Secure, no leaks Fuel Lines: No leaks Gascolator Drain: Sample Throttle Linkage: Operable Battery and relay (if located here): Secure Alternator Belt Tension: Check Steel Tube Frame: No Cracks Engine Sheet Metal: No Cracks Exhaust System: No Cracks Engine General Condition: Check

Quantity: Check Filler Cap: Tight Leakage: None Drain: Sample Fuel Color: Check

Baggage Compartment: Check Removable Controls: Secure if installed Collective Control Clear Seat Belt: Check condition and fastened Door: Unlocked and latched Door Hinge Safety Pin: Installed Landing Gear: Check Ground Handling Wheel: Removed Position Light: Check

Pitot Tube: Clear Windshield Condition and Cleanliness: Check Fresh Air Vent: Clear Landing Lights: Check

Landing gear: Check Position light: Check Door hinge safety pins: Installed Baggage compartment: Check

Loose Articles: Removed or stowed Seat Belt: Check condition Instruments, switches, and controls: Check condition Clock: Functioning