1. Cowl Doors

Battery switch………………....…….….......ON

Oil pressure and alternator lights..………...ON

Warning light test switches………..Push to test

EMU (if installed)…….…...……...Check status

Fuel quantity……...………...…….Check gages

Battery switch……………..………………OFF

Aux fuel tank quantity……...……….….Check

Fuel filler cap……………….……………Tight

Aux fuel tank………………….……...No leaks

Fuel lines……………………….……..No leaks

Fuel tank sump drain(s)……….……...Sample

Gearbox oil….…..……………….Full, no leaks

Rotor brake……….…...….…Actuation normal

Flex coupling...…………No cracks, nuts secure

Yoke flanges…………………………No cracks

Gearbox Telatemp………..………….…Normal

Sprag clutch......………………………No leaks

Static source………...….…...……………Clear

Control rod ends……....Free without looseness

Steel tube frame……………….….…No cracks

All fasteners………...……………….…. Secure

Tail rotor control………………No interference

Cowl door…………….………………..Latched

2. Engine Right Side

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………1.5 inches (4 cm) maximum

Sprag clutch......………………………No leaks

Upper bearing…..…………………….No leaks

Telatemp – upper bearing……....…….Normal

Upper Sheave Condition……………….Check

Lower sheave groove wear.....Smooth/Uniform

Flex coupling…..………No cracks, nuts secure

Yoke flanges………..……………….No cracks

Steel tube frame…………..………..No cracks

Tail rotor control……………..No interference

3. Engine Rear

Cooling fan nut….……...Pin in line with marks

Cooling fan…………………………..No cracks

Fan scroll…………….....….………...No cracks

Telatemps – lower bearing…………….Normal

Lower bearing………………………..No leaks

4. Empennage

Tail surfaces……….………………No cracks

Fasteners…………….….…………….Secure

Position light………...……...…………Check

5. Tail Rotor

Gearbox telatemp……………..……...Normal

Gearbox………………….Oil visible, no leaks

Blades……….….Clean and no damage/cracks

Pitch links……….………………No looseness

Teeter bearings…..…...…….Check condition

Teeter bearing bolt……..……Does not rotate

Control bellcrank.…...Free without looseness

6. Tailcone

Skins…………………..….No cracks or dents

Strobe light condition…….…………..Check

Antennas..…………….……………….Check

7. Engine Left Side

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

8. Main Fuel tank

Quantity…….…………………………..Check

Filler cap……………………....…………Tight

Leakage….…..…………………………...None

9. Main Rotor

Blades……....……Clean and no damage/cracks

Pitch change boots…………………….No leaks

Main hinge bolts…..……...Cotter pins installed

All rod ends……….…...Free without looseness

All fasteners……………………………..Secure

Swashplate scissors……No excessive looseness

10. Fuselage Left Side

Baggage compartment………………..Check

Removable controls….…...Secure if installed

Collective control……..………………..Clear

Seat belt………Check condition and fastened

Door…..……..………...Unlocked and latched

Door hinge safety pins..……….…….Installed

Landing gear……………….…………Check

Position light…………..………………Check

11. Nose Section

Pitot tube……………………….………Clear

Windshield condition & cleanliness.....Check

Landing lights…………..……………..Check

Yaw string………………………...……Check

12. Fuselage Right Side

Landing gear………………..………...Check

Position light………………………..…Check

Door hinge safety pins………….…...Installed

Baggage compartment………………...Check

13. Cabin Interior

Loose articles……………...Removed or stowed

Seat belt….……..……………...Check condition

Instruments/switches/controls..Check condition

Controls………………………..Check condition

Clock…………...…..……………….Functioning

Visit www.robinsonheli.com to verify this checklist is current: REV: 17 NOV 2021