Flying Tips And Repairs; Post Flight Checklist - Horizon Hobby UMX Aero Commander Instruction Manual

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Flying Tips and Repairs

We recommend flying your aircraft outside in calm
conditions. Always avoid flying near houses, trees,
wires and buildings. You should also be careful to
avoid flying in areas where there are many people,
such as busy parks, schoolyards or soccer fields.
Consult local laws and ordinances before choosing
a location to fly your aircraft.
Takeoff
Place the aircraft in position for takeoff (facing into
the wind if flying outdoors). Set dual rates to low
position and gradually increase the throttle to ¾ to
full and steer with the rudder. Pull back gently on
the elevator and climb to check trim. Once the trim
is adjusted, begin exploring the flight envelope of
the aircraft.
Landing
Land into the wind. This is very important for this
model. Fly the aircraft to approximately 6 inches
(15cm) or less above the runway, using a small
amount of throttle for the entire descent. Keep the
throttle on until the aircraft is ready to flare.
During flare, keep the wings level and the airplane
pointed into the wind. Gently lower the throttle while
pulling back on the elevator to bring the aircraft
down on all three wheels.

Post Flight Checklist

1. Disconnect the flight battery from the
ESC (Required for safety and battery
life).
2. Power OFF the transmitter.
3. Remove the flight battery from the
aircraft.
4. Recharge the flight battery.
Failure to lower the throttle
stick and trim to the lowest
possible positions during a
crash could result in damage
to the ESC in the receiver
unit, which may require
replacement.
Over Current Protection
(OCP)
This aircraft is equipped with
Over Current Protection (OCP).
This feature protects the
ESC from overheating. OCP
stops the motor when the
transmitter throttle is set too high and the propeller
cannot turn. The OCP will only activate when the
throttle stick is positioned just above 1/2 throttle.
After the ESC stops the motor, fully lower the
throttle to re-arm the ESC.
NOTICE: Crash damage is not covered under the
warranty.
Repairs
Repair the aircraft using foam-compatible CA
(cyanoacrylate adhesive) or clear tape. Only use
foam-compatible CA, as other types of glue can
damage the foam. When parts are not repairable,
see the Replacement Parts List for ordering by
item number.
For a listing of all replacement and optional parts,
refer to the list at the end of this manual.
NOTICE: Use of foam-compatible CA accelerant on
your aircraft can damage paint. DO NOT handle the
aircraft until the accelerant fully dries.
NOTICE: When you are finished flying, never leave
the aircraft in direct sunlight or in a hot, enclosed
area such as a car. Doing so can damage the foam.
5. Store the flight battery apart from the
aircraft and monitor the battery charge.
6. Make note of the flight conditions and
flight plan results, planning for future
flights.
EN
CAUTION:
Always decrease
throttle at propeller
strike.
9

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