Horizon Hobby HobbyZone Apprentice S 2 1.2m User manual

Instruction Manual | Bedienungsanleitung
Manuel d’utilisation | Manuale di Istruzioni
HBZ310001, HBZ315001
Apprentice®S 2 1.2m
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Safety Precautions and Warnings
As the user of this product, you are solely responsible for operating in a
manner that tdoes not endanger yourself and others or result in damage to the
product or the property of others.
• Always keep a safe distance in all directions around your model to avoid
collisions or injury. This model is controlled by a radio signal subject to
interference from many sources outside your control. Interference can
cause momentary loss of control.
• Always operate your model in open spaces away from full-size vehicles,
traffic and people.
• Always carefully follow the directions and warnings for this and any
optional support equipment (chargers, rechargeable battery packs, etc.).
• Always keep all chemicals, small parts and anything electrical out of the
reach of children.
• Always avoid water exposure to all equipment not specifically designed and
protected for this purpose. Moisture causes damage to electronics.
• Never place any portion of the model in your mouth as it could cause
serious injury or even death.
• Never operate your model with low transmitter batteries.
• Always keep aircraft in sight and under control.
• Always use fully charged batteries.
• Always keep transmitter powered on while aircraft is powered.
• Always remove batteries before disassembly.
• Always keep moving parts clean.
• Always keep parts dry.
• Always let parts cool after use before touching.
• Always remove batteries after use.
• Always ensure failsafe is properly set before flying.
• Never operate aircraft with damaged wiring.
• Never touch moving parts.
NOTICE
All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, LLC. For up-to-date product literature,
visit www.horizonhobby.com or www.towerhobbies.com and click on the support or resources tab for this product.
Meaning of Special Language:
The following terms are used throughout the product literature to indicate various levels of potential harm when operating this product:
WARNING: Procedures, which if not properly followed, create the probability of property damage, collateral damage, and serious injury OR create a high
probability of superficial injury.
CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility of serious injury.
NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND little or no possibility of injury.
WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating. Failure to operate the product
correctly can result in damage to the product, personal property and cause serious injury.
This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic mechanical ability. Failure to operate this
Product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by children
without direct adult supervision. Do not use with incompatible components or alter this product in any way outside of the instructions provided by Horizon
Hobby, LLC. This manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings in the
manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.
WARNING AGAINST COUNTERFEIT PRODUCTS: If you ever need to replace your Spektrum receiver found in a Horizon Hobby product, always purchase
from Horizon Hobby, LLC or a Horizon Hobby authorized dealer to ensure authentic high-quality Spektrum product. Horizon Hobby, LLC disclaims all
support and warranty with regards, but not limited to, compatibility and performance of counterfeit products or products claiming compatibility with DSM or
Spektrum technology.
AGE RECOMMENDATION: Not for children under 14 years. This is not a toy.

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Table of Contents
Registration .................................................................................................... 3
Completion Guide ........................................................................................... 3
Required Tools................................................................................................ 3
Aircraft Components....................................................................................... 4
Aircraft Assembly............................................................................................ 5
Install the Transmitter Batteries....................................................................... 7
Installing the Flight Battery and Arming Electronic Speed Control (ESC)........... 8
Center of Gravity (CG) ..................................................................................... 9
Control Direction Test ................................................................................... 10
Before Your First Flight.................................................................................. 10
Choose a Flying Field.................................................................................... 11
Range Test.................................................................................................... 11
Flight Control................................................................................................ 12
Sensor Assisted Flight Envelope (SAFE) Technology....................................... 13
Preflight Checklist......................................................................................... 15
Flying ........................................................................................................... 15
Trimming the Aircraft .................................................................................... 17
Post Flight..................................................................................................... 18
Transmitter and Receiver Binding.................................................................. 18
Flight Training............................................................................................... 19
Optional Transmitter Setup............................................................................ 20
Optional Floats (Water Takeoff and Landings)................................................ 21
Service and Repairs...................................................................................... 22
Trouble Shooting Guide for SAFE Technology................................................. 23
Trouble Shooting Guide................................................................................. 23
Replacement Parts........................................................................................ 24
Recommended Parts..................................................................................... 24
Optional Parts............................................................................................... 24
Hardware...................................................................................................... 24
Glossary of Important Terms ......................................................................... 25
Important Federal Aviation Administration (FAA) Information.......................... 25
AMA National Model Aircraft Safety Code...................................................... 26
Limited Warranty .......................................................................................... 26
Contact Information ...................................................................................... 27
FCC Information............................................................................................ 27
IC Information............................................................................................... 27
Compliance Information for the European Union............................................ 28
Registration
Register your product today to join our mailing list
and keep up to date with product updates, offers and
Hobby Zone®news.
Required Tools
Completion Guide
Scan the QR code to go
to the product completion
guide for information on the
recommended Powerstage
bundle as well as other
compatible batteries and
chargers.
• Phillips Screwdrivers (PH#0, PH#1)
Specifications
Wingspan 48" (1220mm)
Length 34.2" (869mm)
Weight Without Battery: 22.4oz (639g)
With Recommended 3S 1300mAh Flight Battery: 26.1oz (740g)
HBZ310001 HBZ315001
Included Equipment
Transmitter Spektrum™DXS 2.4GHz (SPMR1010)
Transmitter Batteries 4 AA Alkaline
Receiver Spektrum™AR631 6CH AS3X/SAFE Receiver (SPMAR631)
ESC 30-Amp 3S/4S ESC with Telemetry (EFLA1030FB)
Motor 2832-1300Kv 14-pole (SPMXAM1900)
Propeller 8.25 x 5.5 (EFLP82555)
Servos
(2) Aileron, A381 9g Sub-Micro (SPMSA381)
(1) Elevator, A382 14g Sub-Micro MG (SPMSA382)
(1) Rudder/Nose wheel, A382 14g Sub-Micro MG
(SPMSA382)
Required Equipment
Flight Battery 3S 11.1V 1300mAh LiPo Battery with IC3®Connector
Battery Charger 3S LiPo Battery Compatible
Optional Accessories
HBZ3113 Float Mounting Wires: MiniApprentice
HBZ7390 Float Set: Super Cub LP
SPMR6775 NX6 6 Ch Transmitter Only
RFL1205 RealFlight Trainer Edition RC Flight Simulator
SPMWS2000 WS2000 Wireless Simulator USB Dongle
SPMXPSA3 Smart Powerstage Aircraft 3S Bundle
SPMXC1070 Smart S150 AC/DC Charger, 1x50W
SPMXBC100 SMART Battery & Servo Tester
Recommended Equipment
SPMXPSA200 Smart G2 Air Powerstage 2

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Aircraft Components
Aileron
Elevator
Horizontal Stabilizer
Flight Battery
Receiver
Electronic Speed Control (ESC)
Aileron Servo
Aileron Servo
Rudder Servo
Elevator Servo
Typical Control Components
Control Horn
Clevis Servo
Servo Arm
Retaining Sleeve Pushrod
Motor
Spinner
Propeller
Vertical Stabilizer
Rudder

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Retaining Sleeve
Control Horn
PushrodClevis
Assembly Video
Assembly Video
Aircraft Assembly
2.5mm x 8mm (8)
Tail Installation
We recommend watching the “Tail Installation”
chapter/section of the assembly video by
scanning this QR code or using this URL:
www.horizonhobby.cc/ApprenticeS2assembly.
We recommend reading each section of this
manual before proceeding with assembly
per the steps outlined. We also recommend
watching the entire assembly video by
scanning this QR code or using this URL:
www.horizonhobby.cc/ApprenticeS2assembly.
Landing Gear Installation
The Apprentice S 2 1.2m includes hardware options for wheel installation as
well as the necessary wire struts for the optional float installation (floats are
not included).
1. Install the main landing gear assembly into the slot on the bottom of the
fuselage.
2. Install the two landing gear retainers over the landing gear assembly as
shown, securing them with four 2.5mm x 8mm Phillips screws and a PH#1
screwdriver.
IMPORTANT: Do not overtighten the screws in the plastic. Only tighten the
screws until the retainers are firmly seated and the landing gear is not loose.
3. Install the optional float set strut retaininers, securing them with four
2.5mm x 8mm Phillips screws and a PH#1 screwdriver, to ensure the
retainers do not become lost. These retainers are required for installation of
the optional float set mount wires.
1. Insert the two pins on the base of the vertical stabilizer through the holes in
the horizontal stabilizer as shown.
2. Guide the tail assembly under and between the control linkages, and insert
the vertical stabilizer pins into the corresponding holes in the rear of the
fuselage.
3. From the bottom of the fuselage, using a PH#1 screwdriver, install two
2.5mm x 8mm Phillips screws through the holes in the fuselage and into
the vertical stabilizer pins.
IMPORTANT: Do not overtighten the screws in the plastic. Only tighten the
screws until the vertical and horizontal stabilizers are firmly seated.
4. Attach the clevises of the rudder and elevator control horns by gently prying
open the clevis, inserting the clevis pin through the outermost hole of the
control horn, and closing the side of the clevis over the clevis pin, capturing
the control horn between it.
5. Slide the retaining sleeve over the clevis to keep the clevis sides from opening.

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Assembly Video
Wing Installation
We recommend watching the “Wing Installation”
chapter/section of the assembly video by
scanning this QR code or using this URL:
www.horizonhobby.cc/ApprenticeS2assembly.
The wing of the Apprentice S 2 1.2m is secured to the fuselage using four
of the included rubber bands. This method of installation allows the wing to
move or separate from the fuselage in the event of a hard landing or crash,
minimizing damage to the airframe. The use of more than four rubber bands is
not recommended, as using additional bands may cause the wing to be held
too securely to the fuselage.
1. Connect the aileron servo connectors to the Y-harness, marked “AIL”, in
the fuselage. The left and right servos can be connected to either side of
the Y-harness. Ensure the Y-harness is connected to port 2 of the receiver.
Correct operation of the SAFE system requires connection of both ailerons
to the included Y-harness and port 2 of the receiver.
IMPORTANT: Ensure the servo connectors and the Y-harness are connected
with the correct polarity. The connectors have a small bevel on two corners
which must align with the corresponding bevel in the Y-harness connectors.
In addition, the wire colors should match between the servos and Y-harness.
2. Center the wing on the fuselage. The bottom of the wing should sit flat
against the top of the fuselage wing saddle.
IMPORTANT: Ensure the aileron servo wires are not pinched between the
wing and fuselage.
3. Secure the wing to the fuselage by installing four rubber bands between
the front and back fuselage pins and over the top of the wing.
TIP: Install each of the first two bands diagonally, starting from the front pin
to the rear pin on the opposite side of the fuselage. Install the last two bands
starting from the front pin straight back to the rear pin on the same side of
the fuselage.

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1. Remove the battery cover.
2. Install the included four AA batteries, noting proper polarity.
3. Reinstall the battery cover.
Low Battery Alarm
When the transmitter battery voltage drops below 4.7 volts, an alarm sounds
and the voltage LEDs flash. Replace the batteries immediately. If the alarm
sounds while flying, land your aircraft as soon as possible.
CAUTION: Do not attempt to recharge the included AA batteries.
These batteries are not rechargeable. Charging non-rechargeable
batteries may cause the batteries to burst, resulting in injury to persons
and/or damage to property.
Install the Transmitter Batteries
Antenna
Button A
Handle
Wireless Trainer Port
Programming Port
Battery Holder
Switch B
Switch D
RGB LED
Flight Battery
Voltage Indicator
Throttle/
Rudder Stick
Power Button
Throttle Trim
Rudder Trim
Neck Strap Mount
Switch H
Switch F
Elevator/
Aileron Stick
Elevator Trim
Aileron Trim
Transmitter Switches and LEDs
Button A = Trainer/Bind/Panic Button: This button is used to control the
Trainer, Bind and Panic Recovery Mode functions.
See the Flight Training section for information on using the transmitter as part
of a "buddy box" training system.
See the Binding section for information on re-binding your transmitter and
aircraft if necessary. The included transmitter comes bound to the receiver/
aircraft from the factory, therefore binding is not typically necessary.
See the Sensor Assisted Flight Envelope (SAFE) Technology section for
information about panic recovery mode.
Switch F = Hi/Lo Rate Switch: This switch supports high and low rate
functions on aileron, elevator and rudder channels.
We recommend using low rates when first learning to fly or for smooth and
more precise maneuvering, and high rates for more aggressive maneuvers and
aerobatics.
In the upper, or “HI” position, servo travel is 100% on these channels.
In the lower, or “LO,” position, servo travel decreases to 70%.
Switch B = Flight Mode Switch: This switch is used to select the SAFE flight
mode. See the Sensor Assisted Flight Envelope (SAFE) Technology section for
information about the various SAFE flight modes.
Switch H = Throttle Cut Switch: This switch activates throttle cut.
With the throttle cut on (switch position 1), throttle input from the throttle stick is
deactivated. This safety feature ensures any accidental bump of the throttle stick
will not activate the motor while the flight battery is connected.
With the throttle cut off (switch position 0), any position of the throttle stick above
the lowest setting will activate the aircraft motor.
NOTICE: Always ensure the throttle stick is at the lowest setting before
switching the throttle cut function off. Failure to do so will result in the motor
activating.
Switch D = Channel 7 Switch: This switch is not used for this aircraft.
RGB LED and Audible Indications:
Flashing with beeps: The transmitter is in bind mode, because the bind button
was held down while the transmitter was powered on. See the Binding section
for more information.
Pulsates with one low tone beep every 2 seconds: The transmitter battery
voltage has dropped below 4.7 volts. Replace the transmitter batteries
immediately. If this happens while flying, land the aircraft as soon as possible.

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Flight Battery
Voltage Indicator
Flight Battery Voltage Indicator
The included DXS transmitter is equipped with a flight battery voltage
indicator feature that works with compatible Smart technology receivers, flight
controllers and telemetry-capable ESCs. This Smart technology feature gives a
visual representation of the approximate flight battery voltage/power remaining
via the four LED indicators on the transmitter.
• When the battery is fully charged, all four LEDs glow solid.
• When the throttle is increased, the voltage of the battery drops, causing the
LEDs to indicate less voltage, via fewer LEDs glowing solid or flashing. The
useable capacity of the battery remains.
• When the throttle is decreased, the load on the battery decreases and the
voltage of the battery increases, indicated by more LEDs glowing solid or
flashing. Over time less of the useable capacity of the battery remains and
less power is available, indicated by fewer LEDs glowing solid or flashing.
• When the last LED begins to flash, the flight battery low voltage alarm on
the transmitter sounds before the low voltage cutoff function is triggered in
the aircraft ESC (see the Flying section for a description of the low voltage
cutoff function). The flight battery low voltage alarm sounds for 25 seconds.
If the throttle is lowered and the flight battery voltage recovers because
enough useable capacity remains in the flight battery, the alarm will stop
before 25 seconds. In either case, land the aircraft as soon as practical
after the alarm sounds.
To reset the flight battery low voltage warning:
1. After landing, disconnect the flight battery from the aircraft for at least
15 seconds, or until the flight battery voltage indicator LEDs on the DXS
transmitter go out.
2. Connect a fully charged battery to the aircraft. The flight battery voltage
indicator resets prior to the next flight.
CAUTION: Always keep hands away from the propeller. When armed,
the motor will turn the propeller in response to any throttle movement.
1. Lower the transmitter throttle stick and turn on throttle cut (switch H, position 1).
With the throttle cut on, throttle input from the throttle stick is deactivated. This
safety feature ensures any accidental bump of the throttle stick will not activate
the motor while the flight battery is connected.
IMPORTANT: If you connect the battery while the throttle is not at its lowest
position, the ESC will not arm. Reduce throttle to the lowest setting for the
ESC to arm.
2. Power on the transmitter, and wait at least 5 seconds before proceeding.
3. Rest the aircraft on a flat surface with the landing gear facing up.
4. Turn the battery compartment latch and remove the battery hatch.
5. Secure the flight battery in the battery compartment using the hook and
loop straps so the aircraft is balanced at the correct center of gravity (CG).
See the Center of Gravity section for information on measuring the CG.
6. Connect the flight battery to the ESC connector, noting proper polarity.
7. Replace the battery hatch, locking it in place with the battery compartment
latch.
8. Set the aircraft upright on its landing gear. Keep the aircraft immobile while
the SAFE system initializes.
9. After the SAFE system initializes, the control surfaces will move back and
forth, then come to neutral to indicate the SAFE system has initialized and
is ready to operate.
IMPORTANT: If the aircraft is moved and does not complete initialization
within approximately 30 seconds, disconnect and reconnect the flight
battery to re-initialize the system.
IMPORTANT: AS3X technology in Experienced Mode is not active until you
advance the throttle past 25%. Once it is active, the control surfaces may
move on the aircraft. This is normal. The AS3X technology will remain active
until the ESC is disconnected.
CAUTION: Always disconnect the Li-Po flight battery from the aircraft
receiver when not flying to avoid over-discharging the battery.
Installing the Flight Battery and Arming Electronic Speed Control (ESC)

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Assembly Video
Center of Gravity (CG)
An aircraft with the correct CG is balanced at a calculated point for safe and
stable flight. When flying in Beginner mode with the aircraft balanced properly,
the aircraft should climb gradually at full power and fly level at 50–60% power
with no elevator input.
If the CG is too far forward (nose heavy), up elevator is required to fly level at
50%–60% power.
If the aircraft CG is too far aft (tail heavy), down elevator is required to fly level.
After installing the battery (in the recommended position) and before powering
on the ESC, verify the CG by supporting the aircraft upright on your fingertips
75-90mm back from the front edge of the wing, at the wing root.
• If the nose tilts down, move the flight battery back until the aircraft
balances.
• If the nose tilts up, move the flight battery forward until the aircraft
balances.
Scan the QR code to view the assembly video and the
proper method to balance the aircraft.
75-90mm back from the
leading edge of the wing
at the wing root

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Before attempting to fly this aircraft for the first time, we recommend using the
RealFlight Trainer Edition RC Flight Simulator (RFL1205, sold separately) and a
Spektrum WS2000 Wireless Simulator Dongle (SPMWS2000, sold separately) along
with the DXS transmitter included with the RTF Basic version to learn and practice
the basics of flying. Featuring six popular Horizon Hobby trainer aircraft and built-in
Virtual Flight Instructor lessons, new pilots can learn to fly successfully by practicing
on a PC at home or on a laptop just about anywhere else!
We also encourage you to connect with experienced RC pilots in your area
through hobby shops or at designated flying fields. And for those located in
the United States, we recommend joining a national organization such as the
Academy of Model Aeronautics (AMA). The AMA can provide information on
local clubs, instructors and established flying sites in your area in addition to
insurance coverage. Visit www.modelaircraft.org for more information.
Before Your First Flight
RealFlight
Trainer Edition
WARNING: Do not perform this or any other equipment test without
turning on throttle cut. Serious injury or property damage could result
from the motor starting inadvertently.
If the control surfaces do not respond as shown, DO NOT FLY. Refer to the
Troubleshooting Guide for more information. If you need more assistance,
contact the appropriate Horizon Hobby Product Support department.
1. Power on the transmitter.
2. Turn on throttle cut (switch H, position 1).
3. Set the flight mode switch to Experienced Mode (switch B, position 2).
IMPORTANT: Do NOT check the controls in the Beginner or Intermediate
Modes (switch B, position 0 or 1).
4. Place the model on level ground away from obstacles.
5. Power on the aircraft, and wait for it to fully initialize.
6. Move the sticks on the transmitter as shown in the table and observe the
control surfaces on the aircraft. Ensure the aircraft control surfaces respond
as shown and return to neutral when the control input is released.
7. Check for any binding in the control surfaces.
8. With the aircraft on a smooth surface, roll the aircraft forward by hand.
Push the rudder trim button on the transmitter left or right until the aircraft
tracks straight.
TIP: The transmitter emits a faint beep with each click of the trim buttons in
either direction. Holding the button in either direction quickly adjusts the trim
several steps until the button is released or until the trim reaches the end of
its travel. If the trim button does not beep when clicked, the trim is at the far
end of its travel. Center trim is indicated by a slightly louder beep.
Centering the Control Surfaces
After checking for correct control surface movement and nose wheel
alignment, release the transmitter sticks. Check each of the control surfaces to
make sure they are centered.
For any surface that is not centered:
1. Slide the retaining sleeve off the clevis.
2. Gently pry the clevis open.
3. Slide the clevis pin out of the control horn.
4. Rotate the clevis on the pushrod to lengthen or shorten the length of the
pushrod to adjust the center position of the surface.
5. When the correct position is achieved, slide the clevis pin back into the
correct control horn hole.
6. Close the clevis, capturing the control horn between the sides.
7. Slide the retaining sleeve over the clevis to keep the clevis from opening.
Control Direction Test
Transmitter
Command Control Surface Response (viewed from the rear)
ElevatorAileronsRudder
Throttle/
Rudder Stick
Elevator/
Aileron Stick