User Manual
EN
PNP Receiver Selection and Installation
The Spektrum AR636 receiver is recommended for this airplane. If you choose 
to install another receiver, ensure that it is at least a 6-channel full range 
receiver. Refer to your receiver manual for correct installation and operation 
instructions. 
CAUTION: When using a Futaba
®
 transmitter you must reverse the 
throttle channel and rebind. Refer to your Futaba transmitter manual 
for instructions on reversing the throttle channel. Other channels may also 
need to be reversed.
Installation (AR636 shown)
1.  Remove the top hatch from the fuselage. 
2.  Mount the receiver parallel to the length of the fuselage as shown. Use 
double-sided servo tape. 
3.  Attach the appropriate control surfaces to the their respective ports on the 
receiver using the chart in the illustration.
CAUTION: Incorrect installation of the receiver could cause a crash.
BND/PRG = BIND
1 = Throttle
2 = Aileron
3 = Elevator
4 = Rudder
5 = LEDs
6 = Flaps
1. Turn OFF the switch and disconnect the fl ight battery from the ESC
(Required for Safety and battery life).
2. Power OFF the transmitter.
3. Remove the fl ight battery from the aircraft.
4. Recharge the fl ight battery.
5. Repair or replace all damaged parts.
6. Store the fl ight battery apart from the aircraft and monitor the 
battery charge.
7. Make note of the fl ight conditions and fl ight plan results,
planning for future fl ights.
17
Post Flight Checklist
Troubleshooting Guide AS3X
Problem Possible Cause Solution
Oscillation
Damaged propeller or spinner Replace propeller or spinner
Imbalanced propeller 
Balance the propeller. For more information, view John Redman’s propeller balancing video at 
www.horizonhobby.com
Motor vibration Replace parts or correctly align all parts and tighten fasteners as needed
Loose receiver Align and secure receiver in fuselage
Loose aircraft controls Tighten or otherwise secure parts (servo, arm, linkage, horn and control surface)
Worn parts Replace worn parts (especially propeller, spinner or servo)
Irregular servo movement Replace servo
Inconsistent fl ight perfor-
mance
Trim is not at neutral If you adjust trim more than 8 clicks, adjust the clevis to remove trim
Sub-Trim is not at neutral No Sub-Trim is allowed. Adjust the servo linkage
Aircraft was not kept immobile for 
5 seconds after battery connection
With the throttle stick in lowest position. Disconnect battery, then reconnect battery and keep 
the aircraft still for 5 seconds
Incorrect response to the 
AS3X Control Direction Test
Incorrect direction settings in the 
receiver, which can cause a crash
DO NOT fl y. Correct the direction settings (refer to the receiver manual), then fl y










