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BD-6 Final Construction Checklist


FUSELAGE - HULL
STRUCTURE YES NO
All bolts secured with nuts?    
All welds sound?    
No rust or corrosion?    
All attach fittings sound, no craks, elongation of holes or worn threads?    
All rivets properly installed?    
Inspection openings for all vital areas?    
Fuselage properly drained, that is, no built-in moisture traps?    
Firewall of proper fireproof material?    

COVER YES NO
Properly attached?    
No tears, distortions, or abrasions?    

CONTROL SYSTEM YES NO
Properly secured and saftied?    
Controls stops provided & adjusted?    
All fittings of proper thread & size?    
All pulleys of proper diameter for bends, proper size for cable, and guarded?    
All cable of proper size (1/8" min. ) and condition?    
Any parts in system subject to rotation for any reason properly secured and safetied?    
Return springs on rudder pedals?    
No interference between any control part (cable, tube, or linkage) and any other part of the structure throughout full control movement?    
Adequate room for full control throw when aircraft is occupied?    
Controls arranged to minimize danger of blocking by foreign objects?    
Grip properly secured to control stick or wheel?    

ELECTRICAL SYSTEM YES NO
All grommets, particularly in firewall, snug fitting and in good condition?    
All wires of proper gauge, insulated, and secured?    
Wires do not rest on abrasive surfaces?    
Battery installation of sufficient strength?    
Battery properly ventilated and drained?    
No corrosion at or around battery or its vents?    
Fuses of adequate amperage?    

FUEL SYSTEM - TANKS YES NO
Drains properly located to discharge clear of aircraft?    
All outlets properly screened?    
Fuel shut-off valve installed?    
Fuel shut-off valve easily reached by pilot?    
All fuel lines of proper approved type?    
All fuels lines secured against vibration?    
Is tank located so that sufficient head is available in maximun climb with minimum fuel? Placard if necessary?    
Has tank sufficient expansion area?    
Any tank overflow discharge clear of hazardous areas on aircraft?    

LANDING GEAR YES NO
Properly lubricated?    
Shock cords or springs in good condition?    
All attach fittings uncracked and sound?    
All bolt holes not elongated?    
All attach botls secured and safetied?    
Brake lines in good condition?    
Brakes operating properly?    
Correct hydraulic fluid in lines?    
Wheels uncracked?    
Tires unworn & properly inflated?    
Excessive side play in wheel bearings?    

WING - TAIL SURFACES
FIXED SURFACES YES NO
Are all interior fastenings secured and/or safetied?    

MOVABLE SURFACES YES NO
Are stops provided, either at wing or somewhere else in the control system?    
Are all hinges and brackets sound?    
Are all hinge pins secured and safetied?    
Is there any excessive play in hinges?    
Is there any excessive play in control cables or tubes?    

ATTACH FITTINGS YES NO
Are bolts of proper size installed?    
Are all bolts secured and safetied?    
Have all bolts been examined for wear?    

FLIGHT CONTROL MECHANISM YES NO
All cables and tubes unbroken or unbent & with proper end fittings?    
All control attachments secured and safetied?    
All torque tubes and bell cranks in good condition?    
No interference with fuselage or wing structure throughout full control travel?    

FUEL TANKS YES NO
See Fuselage Section Also    
Are drains supplied at low point in tank when aircraft is in normal ground position?    
Fuel overflow drains clear of aircraft - no tendency for overflor to soak into aircraft structure?    

ENGINE & ENGINE COMPARTMENT
FUEL SYSTEM YES NO
All lines of approved type?    
All strainers clean?    
All lines secured against vibration?    
Gascolator bowl at low point in system when aircraft is in normal ground position?    
Fuel drains operative?    
All connections properly tightened?    

OIL SYSTEM YES NO
All lines of approved type?    
All lines secured against vibration?    
All plugs and strainers cleaned and safetied?    

IGNITION - ELECTRICAL SYSTEM YES NO
All wiring proper type and gauge?    
All fastenings secured and safetied?    
Magnetos properly grounded?    
Spark plugs cleaned & undamaged?    
Spark plugs properly torqued?    
Engine grounded to airframe?    
Starter / generator secured?    

EXHAUST MANIFOLD YES NO
Secured and safetied?    
All stacks in good condition - no cracks or rusted-out areas?    
All gaskets in good condition?    
Carb heat and cabin heat muffs removed and manifold inspected?    

CONTROLS YES NO
All secured and safetied?    
No excessive play in any linkage?    
No interference between any control and the structure throughout the full     
Carb heater gate open & close fully?    

MOUNT YES NO
Secured and safetied?    
All joints inspected for cracks?    
Any bends in mount tubes?    
Bushings in good condition?    

COWLINGS YES NO
Secured and /or safetied?    
All latches or fastenings working properly?    
Any cracks properly checked or reinforced?    
Cowlings clean?    

POWER PLANT IN GENERAL YES NO
All necessary safeties, palnuts, locknuts, etc. in place?    
No fuel or oil leaks?    
All accessoried secured and safetied?    

PROPELLER
BLADES YES NO
Breaks, scratches, nicks, tipping?    

HUB YES NO
Any cracks or corrosion?    
Hub properly seated and safetied?    

CONTROL MECHANISM YES NO
Oil leaks?    
Worn bearings?    
Secure?    

ATTACHMENT YES NO
All bolt and nut threads undamaged?    
All bolts and nuts secured and safetied?    

SPINNER YES NO
Cracks?    
Properly secured?    
Is spinner chafing into prop?    

CABLE - COCKPIT
INSTRUMENTS YES NO
Are all instruments functioning and accurate?    
Are all instruments marked, max pressure's, temperatures, speeds?    
Are all vital instruments easily visible to pilot?    

FLIGHT - ENGINE CONTROLS YES NO
Are all engine controls marked or easily identifiable?    
Are all engine controls smooth in operation without excessive resistance and easily available to pilot?    
Are all flight controls arranged so that jamming by dropped gloves, etc. is impossible?    

FUEL SYSTEMS YES NO
Are all gas valves easily reached by pilot?    
Are all gas valves marked ON, OFF, LEFT, RIGHT ?    
Are all gas valves in such a position that accidental operation is impossible, or guarded in such a way that accidental operation is impossible?    

SEATS YES NO
Are seats of sufficient strength for maximum flight loads contemplated?    
Does seat "flex" enough at anytime to interfere with flight controls?    

SAFETY BELTS AND SHOULDER HARNESS YES NO
Is installation and attachments of sufficient strength to meet 9G forward load minimum?    
Does attachment connect directly to primary structure?    
Are belts and harness in top condition?    
Is belt of correct size, that is , no long over-tongue?    
Is a separate belt and shoulder harness supplied for each occupant?    

HEATING - VENTILATION YES NO
Is cabin or cockpit in negative pressure area and liable to suck in exhaust fumes?    
Is any provision made for ventilating cabin other than normal leakage?    

WINDSHIELD - WINDOWS YES NO
Are windshield and windows of recognized aeronautical materials?    
Is windshield braced against positive or negative pressures in flight, either by design or extra bracing?    

GENERAL YES NO
ALL BOLTS, WHEREVER POSSIBLE, HEAD UP AND FORWARD    
All exterior fastenings visible from cockpit or cabin should have safetied end toward pilot, wherever possible?    
A complete walk around inspection of the aircraft should be accomplished to check that every bolt visible on the exterior is secured and safetied. That there is no visible structural damage. That all inspection panels and covers are in place and attahced.  That all parts of the aircraft are in proper alignment.    
DON'T FORGET TO PUT IN ENOUGH GAS PRIOR TO THAT FIRST FLIGHT - GROUND RUNNING AND TAXI TESTS CAN USE UP A LOT MORE THAN YOU THINK!    
OK - Kick the tires, and AWAY WE GO