CANOPY NAVION ANNUAL INSPECTION
CHECKLIST AND GUIDE

 

Navion N_______________ Serial _____________________________

Annual Inspection Date: ______________________________________

Owner: _________________________ Phone: ___________________

IA: ____________________________ License #: _________________

* Enter Remarks on last page and code them alphabetically: A, B, etc.

 

Item Chk Rmrks
Code
Description
       
      STEP 1: PREPARATION
1.01 ____ ____ Review American Navion Society Video Maintenance Seminar Series One "The Annual."
1.02 ____ ____ Review AD's and Type Certificate equipment lists.
1.03 ____ ____ Review Navion Service Manual and Parts Manual.
       
      STEP 2: PRE-INSPECTION FLIGHT
2.01 ____ ____ Handling on the ground.
2.01 ____ ____ Handling on the ground.
2.02 ____ ____ All instruments working.
2.03 ____ ____ Engine producing full power on takeoff.
2.04 ____ ____ Gear and flap retraction and hydraulic pressure.
2.05 ____ ____ Smooth operation of engine and flight controls.
2.06 ____ ____ Aircraft rigging in flight.
2.07 ____ ____ Landing gear warning horn.
2.08 ____ ____ Brakes.
2.09 ____ ____ Canopy operation.
2.10 ____ ____ Inspection of log books, airworthiness and registration certificates, radio station license and AD note compliance.
2.11 ____ ____ Verify weight and balance calculations.
       
      STEP 3: OWNER'S SQUAWK LIST
3.01 ____ ____ A short conversation with owner on items to be replaced or items of concern, oil / hydraulic leaks, tires, batteries, ELT, antennas, etc.
3.02 ____ ____ List work to be performed per item 3.01.
       
      STEP 4: MAIN AND NOSE LANDING GEAR
4.01 ____ ____ Remove all inspection plates. Make sure proper ANS screws are used on landing gear access plate #14514222.
4.02 ____ ____ Check for corrosion, worn parts, freedom of all 3 uplock rollers and condition of bumper washers on mains.
4.03 ____ ____ Place airplane on jacks.
4.04 ____ ____ Remove main wheels; clean and pack bearings; grease gear; inspect brakes; tires: check for proper inflation; inspect hydraulic cylinders; inspect wheels for cracks.
4.05 ____ ____ Retract gear, inspect for clearance and locking position.
4.06 ____ ____ Check scissor bolts and bushing for wear.
4.07 ____ ____ Inspect struts for looseness, fluid leaks and cracks in weld at trunnion junction.
4.08 ____ ____ Check seating mechanism for worn bushing and bolts.
4.09 ____ ____ Check for side movement (for looseness) of trunnion bearing, add washers as necessary.
4.10 ____ ____ Remove nose wheel and pack bearing, inspect wheels for cracks, check inflation air pressure. 
4.11 ____ ____ Check nose gear collar assembly to fork bolts (4) for torque.
4.12 ____ ____ Check wiper ring retainer nut, P/N 145-34135 for tightness, remove lock screw and tighten clockwise with a spanner wrench for struts (if not available, tap with a block of hard wood and mallet), don't over tighten to cause excessive drag.
4.13 ____ ____ Check nose gear doors for proper closing, replace wheel, retract and check clearance.
4.14 ____ ____ With nose gear retracted, visually inspect full locking clearance and centering of gear in wheel well.
4.15 ____ ____ Check actuating cylinder for full travel (need 1/16" before bottoming).
4.16 ____ ____ Inspect nose gear hydraulic cylinder for leakage, tightness and hose roughing.
4.17 ____ ____ Check nose gear drag brace support bungee spring for straightness. If curvature in spring is noted, replace bungee assembly.
4.18 ____ ____ Inspect gear retract hat section, P/N 145-34161 for cracks around forward end, top and bottom.
4.19 ____ ____ Check the hydraulic retract cylinder mounting brackets for loose rivets.
       
      STEP 5: FUEL SYSTEM
5.01 ____ ____ Visually check all tank fuel lines for stains and leaks (mains, aux and accumulator).
5.02 ____ ____ Flush main fuel screen and replace safety wires.
5.03 ____ ____ Remove and clean gascolator screen and bowl in nose gear well.
5.04 ____ ____ Remove screen on the fuel injection system control valve, turn on boost pump to flush, or:
5.05 ____ ____ Remove and clean fuel screen in carburetor.
5.06 ____ ____ Check fuel selector valve for leaks, cleanliness, ease of operation and proper placard.
5.07 ____ ____ Check baggage compartment, underseat, and wingtip auxiliary tanks and valves (if installed).
5.08 ____ ____ Check fuel gauge sending units (in tanks) for leaks or stains.
5.09 ____ ____ Verify operation of fuel gauges.
5.10 ____ ____ Check fuel tank vents.
       
      STEP 6: WINGS
6.01 ____ ____ Skin: Check for loose rivets and corrosion.
6.02 ____ ____ Inspect wings with flaps extended. Inside surfaces should be free of dirt, debris and corrosion. Check hydraulic lines.
6.03 ____ ____ Check control mechanisms for cotter pins. Check aileron balance weights.
6.04 ____ ____ Ailerons and flaps: Check control cables for condition, correct routing and tension.
6.05 ____ ____ Check bolts and bushings for wear.
6.06 ____ ____ Check condition of electrical wiring.
6.07 ____ ____ Check rigging of ailerons and flaps and that aileron trim tab is not bent to extreme angle.
       
      STEP 7: FUSELAGE AND CABIN
7.01 ____ ____ Check for corrosion of aft section of cabin, especially in floor area.
7.02 ____ ____ Remove Baggage Curtain and visually check fuselage aft section for dirt, plugged drain holes, corrosion. Check wiring and any electrical or avionics mounted in aft fuselage.
7.03 ____ ____ Clean and check trim tab mechanism.
7.04 ____ ____ Check bulkhead number 294-10 for cracks if outside "Texas-Patch" is not installed.
7.05 ____ ____ Remove front seats for visual inspection under panel. Check for hydraulic and oil leaks, freedom of control column, loose wires and hoses.
7.06 ____ ____ Check condition of safety belts.
7.07 ____ ____ Clean seat rails and lube for ease of movement, check mechanism for locking.
7.08 ____ ____ Check engine controls for ease of movement and placards.
7.09 ____ ____ Check all instruments, gauges and switches for proper placarding.
7.10 ____ ____ Check magnetic compass for fluid and compass card. Operate radios and instrument lights and observe compass reactions if any.
7.11 ____ ____ Check window glass for cracks, discoloration.
7.12 ____ ____ Wash down airplane and clean as required.
7.13 ____ ____ Check condition of pitot tube and static ports.
7.14 ____ ____ Slide canopy back and forth. Check for ease of operation, security of latching closed and latching in partially opened position. Inspect for corrosion and for condition of wires. Check windows for cracks, leaks and security. Check placard. Check emergency opening mechanism.
7.15 ____ ____ Check heater for ease of operation of controls and for functioning of blower.
7.16 ____ ____ Check cabin air intake and cabin air exhaust controls for operation. Make sure vents are clear of debris.
7.17 ____ ____ Check all external fairings to ensure security.
       
      STEP 8: EMPENNAGE
8.01 ____ ____ Check skin for corrosion and for loose rivets.
8.02 ____ ____ Check freedom of movement of flight controls.
8.03 ____ ____ Lube pulleys and check bolts for cotter pins and safety wires.
8.04 ____ ____ Check trim tabs for proper alignment.
8.05 ____ ____ Make sure vertical fin top fairing and fuselage fairings are secure and without cracks.
       
      STEP 9: ELECTRICAL SYSTEM AND AVIONICS
9.01 ____ ____ Remove battery from box, clean and paint box as necessary. Inspect wiring around master solenoid (relay).
9.02 ____ ____ Clean battery. Check water level and log specific gravity here: __________________
9.03 ____ ____ Check fuses and circuit breakers for placarding and amperage designations. Inspect behind fuse/circuit breaker panel for in-line and other unauthorized fuses.
9.04 ____ ____ Pitot heat: Verify operation (if installed).
9.05 ____ ____ Check operation of wingtip and tail position (navigation) lights. Inspect position light sockets and bulbs and lenses for security and absence of corrosion.
9.06 ____ ____ Check operation of landing lights and physical security of lights to struts. Inspect for corrosion, wiring and condition of lenses.
9.07 ____ ____ During landing gear retract test, observe operation of landing gear lights and gear warning horn.
9.08 ____ ____ Check operation of panel / instrument / avionics lights and dimmer.
9.09 ____ ____ Check cabin (canopy dome) light.
9.10 ____ ____ Verify that required spare fuses and lamps are on board.
9.11 ____ ____ During engine tests, verify ammeter readings and alternator or generator operation.
9.12 ____ ____ Check operation of headset jacks and cabin loud-speaker with engine off and engine running to detect audio noise. E.G. alternator whine.
9.13 ____ ____ Verify operation of hand / boom / headset microphones, PTT keying control, speaker muting-relay and/or intercom if installed.
9.14 ____ ____ Check operation of NAVCOM'S, ADF, transponder, DME, auto-pilot and any other avionics on board. Verify radio operation, if possible, by a radio-check call to an ATC facility.
9.15 ____ ____ Inspect all antennas for security, cleanliness condition of elements and connectors.
9.16 ____ ____ Observe anti-collision (beacon) and strobe lights, if installed, for proper operation and check to see if they introduce noise into the radios.
9.17 ____ ____ Check physical mounting of avionics.
9.18 ____ ____ Check operation of cooling fan (if installed) or make sure avionics vents are clear.
       
      STEP 10: HYDRAULIC SYSTEM
10.01 ____ ____ Check hydraulic reservoir for filter condition and fluid level.
10.02 ____ ____ Check lines and hoses for condition, routing and leaks.
10.03 ____ ____ Actuating cylinders (left and right main gear). Check for cracks in cylinder. Also shaft P/N 143-33153 for cracks in cotter pin hole.
10.04 ____ ____ Remove 1/4 bolt to actuating cylinder to check travel. Needs 1/16" before bottom.
10.05 ____ ____ Check for down pressure. Remove lower hose on hydraulic cylinder in nose gear well and install hydraulic pressure gauge. Pump auxiliary (hand) hydraulic pump, observe pressure. Adjust gear control handle to obtain pressure if necessary.
10.06 ____ ____ Check the master control valve under panel for 0-ring leaks and line security and leaks.
10.07 ____ ____ Hydraulic pressure must be 1125 psi +/- 25 pounds.
       
      STEP 11: BRAKES
11.01 ____ ____ Inspect brake drums for wear.
11.02 ____ ____ Check brake blocks for glazing, if so, roughen up with Emery cloth.
11.03 ____ ____ If hand pump or pedals need to be pumped to obtain pressure, replace blocks or pucks.
11.04 ____ ____ It may be necessary to bleed brakes to obtain a firm pedal.
11.05 ____ ____ Brake adjustment valves are installed in most Navions. Adjust if taxi tests indicate need.
       
      STEP 12: ENGINE
12.01 ____ ____ Drain oil and change filter or oil screen (at owner's discretion). Recommendation is to change oil and filter and to have an oil analysis performed by a laboratory.
12.02 ____ ____ Remove plugs and clean, gap, test.
12.03 ____ ____ Run compression test and log results.
Cylinder #: 1 2 3 4 5 6
             
12.04 ____ ____ Check timing.
12.05 ____ ____ Check for routing and condition of all hoses in engine compartment.
12.06 ____ ____ Check exhaust system for cracks and leaks.
12.07 ____ ____ Remove heater muff for inspection. Check for leaks, corrosion, cracks, carbon.
12.08 ____ ____ Clean air filter and check alternate air, if appropriate.
12.09 ____ ____ Inspect intake pipes, hoses and clamps.
12.10 ____ ____ Check baffles and seals for condition.
12.11 ____ ____ Inspect engine controls for ease of movement.
12.12 ____ ____ Check engine mounts.
12.13 ____ ____ Check cowling and hoods for cracks and loose rivets. Also check hood and cowling moldings.
12.14 ____ ____ Inspect engine for oil leaks.
12.15 ____ ____ Check crankcase for cracks.
12.16 ____ ____ Check cowl flaps for operation and security.
12.17 ____ ____ Run engine check for idle rpm and mag drop.
12.18 ____ ____ Check all engine compartment wiring for security, cracks in insulation, routing and termination.
12.19 ____ ____ Wash down and/or clean engine and engine compartment.
12.20 ____ ____ Check security and condition of all engine accessories.
       
      STEP 13: PROPELLER
13.01 ____ ____ Remove spinner and check for cracks and loose rivets.
13.02 ____ ____ Check prop for oil leaks and loose blades.
13.03 ____ ____ Inspect blades for nicks and damages.
13.04 ____ ____ Inspect hub for corrosion and security.
13.05 ____ ____ Repair minor nicks on leading edge of blades.
13.06 ____ ____ Clean and spray flat black on back of prop if needed.
13.07 ____ ____ Inspect governor for oil leaks and security.
13.08 ____ ____ Note: Any major repairs must be performed by an approved propeller repair station.
       
      STEP 14: MISCELLANEOUS
14.01 ____ ____ Make up list of applicable ADís. Check and log compliance.
       
      STEP 15: LOGBOOKS AND MAINTENANCE CHECK FLIGHT
       
15.01 ____ ____ Per applicable FAA regulations, enter the inspection work performed in the:
A. Airplane Logbook.
B. Engine Logbook.
C. Propeller Logbook.
15.02 ____ ____ Have owner / pilot preflight and fly airplane, perform maintenance check and enter in log.


Remarks Codes and Descriptions:

Rmrks
Code
Description
  ______________________________________________________________________

______________________________________________________________________
  ______________________________________________________________________

______________________________________________________________________
  ______________________________________________________________________

______________________________________________________________________
  ______________________________________________________________________

______________________________________________________________________
  ______________________________________________________________________

______________________________________________________________________
  ______________________________________________________________________

______________________________________________________________________