 OUTSIDE VISUAL CHECK:1. All Switches --- OFF 2. Pitot Cover --- OFF - Check Drain Holes 3. Nose Hatch and Gun Cowling --- Looked 4. Nose Wheel: - a. Snubbing Yoke --- All Bolts in and Safetied (scissors) - b. Strut --- Properly Extended (3 to 4 Inches) - c. Tire - (Condition, Inflated, No Slippage, Valve Stem, Ground) - d. Check Wheel Arm for Cracks - e. Shimmy Dampner -- Leaks and Secure - f. Nose-Wheel Actuating Cylinder - leaks, etc - g. Check Inspection Slot for Locking Pin in Place - h. Down Lock - Removed - i. Uplatch Assembly - Free - j. Nose Wheel Door Actuating Cylinder - No Leaks - k. Nose Doors - Secure - l. Check Wheel Well - m. Hydraulic Lines -- No Leaks - n. Anti Icing Valve Safetied off 5. Left Engine Assembly: - a. Right Side Engine Cmling - Fasteners - Locked Inside Check Pins in Locked Position - Intake Leaks - b. Exhaust Stacks - No Cracks - Tight - c. Prop Pulled Through -- 12 Blades if not Pre-flighted - d. Prop for Nicks and Dome Safetied - e. Ignition wires and Oil leaks - f. Left Side of Engine Cowling - Fasteners Locked Inside - Check Pins in Locked Position - Intake leaks - Same as a. 6. Left Wing: - a. Leading Edge - No Dents or Breaks - b. Wing Light - Up - c. Wing Tips and Navigation Light - No Dents or Breaks - d. Aileron - No Breaks in Fabric - e. Flaps - No Wear or Strain - f. Check Trim 7. Left wheel Well- - a. Tire - No Slippage, Good Condition, Inflated, Valve Stem - b. Micro Switch - c. Oleo Strut - Properly Inflated (2 to 4 Inches), No Cracks or Hydraulic Leaks - d. Check 'Y' Connection Fuel Overflow for Leaks - e. Inside Wheel Well - No Leaks - f. Down Lock Pin - Removed - g. Down Lock - Free, Proper Overlap - Check Micro Safety switch - h. Gas Leak Around Liquidometer - i. Battery - Connection Tight and No Over Flow Battery Jar - j. Canvas Curtain - Snapped Shut and Items Secure - k. Check CO2 Cylinder 8. Rear Fuselage: - a. Lower Turret - Guns Locked Aft Position - b. Static Source - Free from Dirt and Water 9. Tail: - a. Horizontal Stab - No Cracks or Dents - b. Elevator - No Breaks in Fabric - Tab Neutral - c. Vertical Stab - No Breaks or Dents - d. Rudder - No Cracks or Dents 10. Right Rear Fuselage: - a. Static Source - Free from Dirt and Water - b. Camera Door Shut and Locked - c. Radar Door - IFF ON, every thing Secure 11. Bomb Bay Checks - a. Gun Platform - b. Bomb Bay Door Looking Pins - Removed - c. Bomb Shackles - d. Flap Motor - No Rubbing or Chaffing of Flap Rod - e. Bomb Bay Tank - No Leaks - f. Booster Pumps - Right end Left Aux - Bomb Bay - g. Bomb Bay actuating Cylinder and Hydraulic Lines No Leaks 12. Right Engine and Wings - a. Same as Left Engine (In Reverse) - b. Check Life Raft Pins - Safetied 13. 0n Top: - a. Gas and Oil Covers Secure - b. Top of Engine - Cowl Flaps and Exhaust Stacks - c. Intake Duct Retaining Clamps - d. Wing Guns - Covers Secure - e. Top Aileron - f. Antenna - Under Good Tension - g. Gun Plates Locked - h. Rear Compartment Hatch and Turret Cover Secure (Return to top) VISUAL INSIDE CHECK:1. Form 1 - A/C in Flyable Condition and Pre-flighted 2. Ladder-Pulled Up 3. Parachute and Safety Harness - On and Adjusted 4. Seat and Rudder Pedals - Adjusted 5. Hydraulic Reservoir - Normal Level 6. Emergency Hydraulic Reservoir - Full 7. Air Brake Bottle 450 PSI Minimum - 675 Normal 8. Vacuum Selector Right Engine 9. Check Over Head Panel - Switches Off 10. Battery Switches on Unless External Power is Used 11. Generator Switches On 12. Gun Switches - Off 13. Auto Pilot - Off 14. Inter-Valometer - Off and On Train 15. Hydraulic Selector Valve - On Syst 16. Trim Tabs - At or near neutral 17. Cross-Feed Bomb Bay Dual Selector - Off 18. Tank Selector - Main 19. Carburetor Heat - Full Cold 20. Landing Gear Control - Down and Locked 21. Flap Control - Neutral 22. Mixture Controls - Idle Cut - off 23. Prop Controls - Full Increase RPM 24. Throttle - 1/4 open 25. Booster Pumps - Off 26. Oil Cooler Switches - auto 27. Cowl Flaps - Open 28. Blowers - Low Blower 29. Control Lock - Unlocked and Check for Free Movement 30. Air Brake Lever - Safetied on "Release" 31. Parking Brake - On, Hydraulic Press Up 32. Manifold Pressure Drain - Off 33. Instrument Panel Check From Right to Left 34. Check Fuel quantity 35. Lower Panel Switches - OFF, IFF - On, Filter in Non Filter Position 36. Bomb Panel, All Switches off or Neutral 37. All Circuit Breakers - On 38. Inverter - Off 39. All Radio Switches - Off 40. Static Source - On Static Source (Return to top) STARTING ENGINES:1. Fire Guard - Standing Clear 2. Master Ignition - On 3. Right Booster Pump on High Then on low 4. Energize Right Engine - Approximately 10 seconds 5. Prime Right Engine - Note Drop in Fuel Pressure 6. Engage Right Engine (Continue to Energize) 7. Magneto Switch - On Both After 2 Rev B. Continue to Prime until Engine Fires 9. Mixture Control - Auto Rich 10. Set Throttle - 1000 RPM 11. Oil Pressure - Indication within 30 seconds or Shut Engine Down 12. Right Booster Pump Off Left High Then On Low 13. Radio - On Tower Frequency 14. Bomb Bay Doors - Closed (Check Hydraulic Pressure) 15. Start left Engine in Same Manner (Return to top) BEFORE TAXIING:1. Set Gyros 2. Call Crew Members - All Stations 3. Call Tower - Set Altimeters. 4. Chocks Removed - Thumbs Up 5. Hydraulic Pressure - 1000 PSI 6. Taxi at 6 to 800 RPM (Return to top) ENGINE RUN UP AND CHECKS:1. Run Both Engines up at Once, Nose Wheel Straight 2. Idle Engines at 1000 RPM until: - a. Oil Temp is 50 Degrees - b. Oil Press is 50 to 80 PSI - c. Cylinder Head Temp is 120 Degrees 3. Throttles - 1700 RPM 4. Prop Controls - Full Aft (Check for Drop to 1200 RPM) 5. Prop Controls - Full Forward (Check for Return to 1700 RM) 6. Feathering Buttons - Depress one at a time and Check for 200 RPM Drop 7. Ammeters - Check amperage During Feathering Check 8. Shirt Blower to High Blower Check Rise in Manifold Pressure and Drop in Oil Pressure 9. Increase Power to 30 Inches 10. Shift Blowers to Low Blower, Check Drop in Manifold Pressure and Oil Pressure 11. Make Power Check - 52 Inches 12. Check Mags at 30 Inches - 100 RPM Drop (Return to top) BEFORE TAKE-OFFS:1. Gas - On Main Tanks - Bomb Bay Off 2. Trim Tabs - As Desired 3. Carburetor Air - Full Cold 4. Flaps - 15 Degrees 5. Mixture Controls - Auto Rich 6. Props Controls - Full Increase 7. Booster Pumps - High Boost 8. Cowl Flaps - 1/2 Closed 9. Engine Instruments - Within Limits 10. Flight Instruments - Normal - a. Gyro Compass - Set and Uncaged - b. Artificial Horizon - Uncaged and Level - c. Altimeter - Runway Elevation - d. Vacuum Selector - Check on Both Engines 11. Check Canopy - Closed and Locked 12. Check Crew All Stations - Ready (Return to top) WHEN YOU ARE SURE YOU ARE AIRBORNE AND FLYING:1. Wheels Up 2. At 150 MPH, Power Back to 42 Inches 3. Props 2400 RPM 4. Flaps Up 5. Landing Gear, Flaps and Cowl Flaps Neutral (Return to top) BEFORE ENTERING TRAFFIC:1. Check Hydraulic Reservoir 2. Check Air Bottle Pressure 3. Tank Selector on Fullest Tank 4. Carburetor Heat Full Cold 5. Low Blower 6. Check Hydraulic Pressure (Return to top) ON INITIAL:1. Mixture Auto Rich 2. High Boost (Return to top) AT PEEL OR TURNING ON DOWN WIND LEG:1. Check Horn 2. 2400 RPM 3. Power at 20 Inches 4. Slow to 180 MPH 5. Flaps at 10 Degrees 6. Slow to 150 MPH 7. Wheels Down - Just Before or Turning on Base 8. Check Visually (Watch Wheels Snap into Down and Locked, Cheek Nose Wheel, Indicator Lights, Hydraulic Pressure 1000 PSI and Gear Handle in the Down and Locked Position, Check Horn) 9. Use Power as Needed to Hold 150 MPH 10. Call Tower on Base, Gear in Green 11. Use Remaining Flaps (Up to 38 Degrees) on Final (Keep Hand on Flap Switch While Lowering) 12. Hold Power an Needed until Touchdown 13. On Landing Roll Put Full Flaps Down (Return to top) AFTER LANDING AND AT END OF RUNWAY:1. Clear Runway 2. Run Engines up Until Generators Cut In 3. Flaps up to 15 Degrees 4. Props Full Forward 5. Cowl Flaps Open and Neutral 6. Booster Pumps Off 7. Neutralize Trim Tabs (Return to top) STOPPING ENGINES:1. Parking Brakes On 2. Idle Engines at 1000 RPM 3. Pull Right Throttle back to Stop 4. Allow RPM to Drop to Minimum Idle, Move Mixture to Idle Cut Off 5. Check for Excessive Rise of RPM when Mixture is Cut 6. Open Bomb Bay Doors and Check Hydraulic Pressure Back to Normal 7. Stop Left Engine as in 3 to 6 S. Radios Off 9. Magneto Switch Off 10. Battery and Generator Switches Off 11. All Switches Off 12. Controls Locked 13. Brakes Off When Chocks are in Place 14. Complete Form 1 and Replace Manuals (Return to top) |
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