Wings and tail are properly aligned.
Wing panels are not warped.
Hinges are properly secured and of sufficient quantity.
Pull on hinged surfaces gently
to check for loose hinges.
Servos are securely mounted to plywood or servo tray and servo tray is securely mounted (servo tray is not made out of balsa or other soft material).
All necessary screws are in place and tight (servos, engine mount, landing gear, wheel collars).
Push rods do not bind and allow no slop. Should not
be able to move control surfaces
more than 1/16" before servo moves.
Do not use quick servo connections, use Z-bend or clevis.
CG (center of gravity) is correct. If CG is located
behind fuel tank, check CG with fuel
tank empty. If CG is located in front of fuel tank, check CG with fuel tank
full.
Fuel tank is secure and plumbed correctly. The center
line of the tank should be
located on the same line as the carburetor.
Covering is tight and properly applied and no bare
wood is showing. Bare wood will
absorb fuel, weaken airframe, and add weight.
Wheels turn easily. Use a couple drop of oil or fuel to loosen.
Battery and receiver are wrapped in foam and secure.
Receiver antenna is fully extended and is routed properly.
All electrical servos and battery connections are tight.
Control surfaces and throttle move in correlation
with sticks on transmitter.
Aileron stick moves right - right aileron moves up.
Rudder stick moves right - rudder moves right.
Elevator stick moves down - elevator moves up
Throttle stick moves up - carburetor opens
All control surfaces have proper control throw.
Remove price stickers and rough edges from the propeller and balance.
Receiver and transmitter battery packs are fully charged.
Your transmitter has it frequency numbers prominently
displayed on the antenna
along with your red 72mhz flag.