Instruction Manual
Bedienungsanleitung
Manuel d’utilisation
Manuale di Istruzioni
SAFE® Technology, Optional Flight Envelope Protection
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2
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.
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 and click on the
support 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 superfi cial 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.
Safety Precautions and Warnings
• 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, traffi c 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 specifi cally 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 the 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 fl ying.
• Never operate aircraft with damaged wiring.
• Never touch moving parts.
Age Recommendation: Not for children under 14 years. This is not a toy.
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RTF/BNF Basic
https://www.horizonhobby.com/content/e-fl ite-rc
Table of Contents
SAFE® Technology ................................................1
Table of Contents ..................................................3
Specifi cations .......................................................3
Introduction- SAFE Technology out of the box ........4
Optional Upgrades (not included) ..........................4
From the Box to the Air (No GPS Module) ..............4
Included in the Box ...............................................4
Charging Warnings................................................5
Charging the Flight Battery ...................................5
Transmitter Batteries Installation ...........................6
Transmitter ...........................................................6
BNF AIRCRAFT ONLY .............................................7
Binding .................................................................8
Install the Flight Battery ........................................9
SAFE
®
Technology Flight Modes ..........................10
Control Direction Test ..........................................11
SAFE
®
Control Direction Test ...............................12
Choose a Flying Field ..........................................12
Range Test (BNF Only) .........................................13
Takeoff ...............................................................14
Flying .................................................................14
Low Voltage Cutoff (LVC) .....................................14
Adjusting Trim in Flight .......................................15
Landing ..............................................................15
After Flying .........................................................16
Settings for Control Horns ...................................16
Motor Service .....................................................17
Troubleshooting Guide (SAFE
®
) without GPS ........18
Adding the SAFE+ GPS Module ...........................20
GPS module installation: ....................................20
Compass Calibration ...........................................22
Flight Modes .......................................................23
Flying the Delta Ray One with SAFE+ ..................23
In-Flight GPS OFF ...............................................23
Virtual Fence Mode and GPS ...............................24
Holding Pattern (HP) ............................................26
AutoLand (AL) .....................................................27
Powering On with GPS ........................................28
GPS Initialization and Home Location ..................28
Disabling GPS .....................................................29
Troubleshooting Guide (SAFE
®
Plus) ....................29
FPV Camera with OSD.........................................30
FPV features with the GPS module installed ........31
Limited Warranty ................................................33
Replacement Parts ...........................................136
Optional Parts ...................................................137
16.6 in (422mm)
19.7 in (500mm)
4.25 – 4.75 oz
(120 – 135 g)
Wing Area: 127sq in
(820 sq cm)
Motor: BL180
Brushless Outrunner Motor
Installed Installed
Receiver/ESC:
DSMX® /DSM2® RX/
ESC unit: Delta Ray
One
Installed Installed
Servos: (2)
Integrated Linear
Servos
Installed Installed
Battery: 280mAh
2S 7.4V 30C Li-Po
Included
Required
to
Complete
Battery Charger:
Celectra
™
2S 7.4V
Li-Po Charger
Included
Required
to
Complete
AC adapter Included
Required
to
Complete
Transmitter:
DSM2/DSMX
Transmitter
Included
Required
to
Complete
Specifi cations
RECEIVER BIND INFORMATION
Channels 6
Frequency 2405 – 2476 MHz
Compatibility DSM2 and DSMX
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From the Box to the Air (No GPS Module)
2S 7.4V 280mAh
45C
Lithium Polymer Battery
Delta Ray One Aircraft
2S 7.4V Li-Po battery
charger (RTF Only)
Hook and
Loop Tape
Double
Sided tape
Transmitter
(RTF Only)
280 mAh 7.4V
Li-Po Battery
(RTF Only)
AA Alkaline
Batteries (4)
(RTF Only)
Included in the Box
AC power Supply (RTF Only)
Introduction- SAFE Technology out of the box
The E-fl ite® Delta Ray® One airplane is an exceptional trainer that’s a blast to fl y. At its heart is
groundbreaking SAFE™ (Sensor Assisted Flight Envelope) technology that makes RC fl ight incredibly
easy, even for the least experienced user. Its combination of spatial awareness provides fl ight envelope
protection which adds a degree of security never before available, while it’s smooth fl ight capability battles
windy conditions so that all you feel is control that’s crisp and responsive. Multiple levels of fl ight envelope
protection are provided that can be reduced or removed as your skills progress, yet can be changed at the
fl ip of a switch if needed to instantly return the model to level fl ight if you ever lose orientation.
Optional Upgrades (not included)
SAFE+ GPS Module FPV Camera w/5.8GHz vtx
When added, advanced SAFE+ features can keep
the aircraft within a given distance to the pilot
(Virtual Fence), can return the model to home at the
press of a button (Holding Pattern), can return home
automatically if the controller signal is lost (Failsafe),
and can land itself when commanded (AutoLand).
Adding the FPV camera shows information from
the aircraft in the video image with an On Screen
Display (OSD). With the GPS module and the FPV
camera, the GPS information provides additional
features for the On Screen Display.
1. Charge fl ight battery.
2. Set up your transmitter (BNF only).
3. Find a safe and open area.
4. Power on transmitter and install fl ight
battery in aircraft.
5. Place the aircraft into Experienced
mode (Mode switch position 2) for the
control direction test. Place the aircraft
on the ground facing away from you.
6. Perform Control Direction Test.
7. Place the aircraft into Beginner Mode
(Mode switch position 0) for the SAFE
Control Direction Test and takeoff.
8. Perform SAFE Control Direction Test.
9. Plan fl ight for fl ying fi eld conditions.
10. Set a fl ight timer for 6 minutes.
11. Place the aircraft into Beginner Mode
for launch.
12. Launch into the wind and have fun!
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RTF/BNF Basic
The included (RTF Only) battery charger
(EFLUC1007) has been designed to safely charge
the Li-Po battery.
CAUTION: All instructions and warnings must
be followed exactly. Mishandling of Li-Po
batteries can result in a fi re, personal injury and/or
property damage.
• Never charge batteries overnight.
• Never leave charging batteries unattended.
• By handling, charging or using the included Li-Po
battery, you assume all risks associated with
lithium batteries.
• If at any time the battery begins to balloon or
swell, discontinue use immediately. If charging
or discharging, discontinue and disconnect.
Continuing to use, charge or discharge a battery
that is ballooning or swelling can result in fi re.
• Always store the battery at room temperature in a
dry area for best results.
• Always transport or temporarily store the battery
in a temperature range of 40–120° F. Do not store
the battery or model in a car or direct sunlight. If
stored in a hot car, the battery can be damaged or
even catch fi re.
• Always charge batteries away from fl ammable
materials.
• Always inspect the battery before charging.
• Always disconnect the battery after charging, and
let the charger cool between charges.
• Always constantly monitor the temperature of the
battery pack while charging.
• ONLY USE A CHARGER SPECIFICALLY DESIGNED
TO CHARGE LI-PO BATTERIES. Failure to charge
the battery with a compatible charger may cause
a fi re resulting in personal injury and/or property
damage.
• Never discharge Li-Po cells to below 3V under load.
• Never cover warning labels with hook and loop
strips.
• Never charge batteries outside recommended
levels.
• Never charge damaged batteries.
• Never attempt to dismantle or alter the charger.
• Never allow minors to charge battery packs.
• Never charge batteries in extremely hot or cold
places (recommended between 40–120° F or
5–49° C) or place in direct sunlight.
Charging Warnings
Charging the Flight Battery
45
MIN.
The RTF aircraft comes with a 2S 7.4V 280mAh 30C
Li-Po battery and a 2S 7.4V Li-Po battery charger
that requires use of the included (RTF Only) AC
power supply or the optional 12V (11V–14V) DC
power cord (EFLUC1008).
Refer to the charging warnings. It is recommended
to charge the battery pack while you are inspecting
the aircraft. The flight battery will be required to
confirm proper aircraft operation in future steps.
Battery Charging Process
NOTICE: Charge only batteries that are cool to the
touch and are not damaged. Look at the battery to
make sure it is not damaged e.g., swollen, bent,
broken or punctured.
1. Gently press the battery connector into the
charge port located on the front of the charger.
The connector of the battery is specifi cally
designed to allow it to fi t into the charge port
one way to prevent reverse polarity connection.
However, check for proper alignment and polarity.
2. Press the button on the charger. The red LED will
illuminate, indicating charging has begun.
Charging a fully discharged (not over-discharged)
280mAh battery takes approximately 45 minutes
at the charger’s 300mA charge rate. The included
battery can be charged at a rate of up to 3C
(840mA).
Always disconnect the fl ight battery from the
charger immediately upon completion of charging.
CAUTION: Overcharging a battery can cause
a fi re.
CAUTION: Only use a charger specifi cally
designed to charge this Li-Po battery. Failure
to do so could result in fi re, causing injury or
property damage.
CAUTION: Never exceed the recommended
charge rate.
2S 7.4V 280mAh 45C
Lithium Polymer Battery
LED Indications
1. Green LED blinking .............................Standby
2. Blinking Red LED at varying speeds ....Charging
3. Red and Green LED blinking
simultaneously ..................................Balancing
4. Solid Green LED ..................................Full Charge
5. Red and Green LED fl ashing rapidly ....Error
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6
Remove the battery cover. Install the four
included batteries (noting proper polarity) and
reinstall the battery cover.
Transmitter
Low Battery Alarm
When the battery voltage drops
too low, an alarm sounds and the
LED fl ashes. The batteries must be
replaced immediately. If this happens
while fl ying, land your aircraft as soon
and as safely as possible.
Transmitter Batteries
Installation
Throttle /
Rudder/
Power LED
Battery Door
Power
Switch
Elevator Trim
Down
Ailerons /
Elevator/
Press for
Dual Rates
Aileron
Trim Right
Elevator
Trim Up
Aileron
Trim Left
Throttle
Trim Down
Rudder
Trim left
Throttle
Trim Up
Rudder
Trim Right
Flight
Mode
Switch
Bind /
HP/AL*
Trigger
Mode 2 shown
* (HP) = Holding Pattern (AL) = AutoLand
Holding pattern and Autoland are only
available with the optional GPS module
The included transmitter comes
pre-bound to the aircraft.
CAUTION: NEVER remove the transmitter batteries
while the model is powered on. Loss of model control,
damage or injury may occur.
CAUTION: If using rechargeable batteries, charge only
rechargeable batteries. Charging non-rechargeable
batteries may cause the batteries to burst, resulting in injury
to persons and/or damage to property.
CAUTION: Risk of explosion if battery is replaced by
an incorrect type. Dispose of used batteries according
to national regulations.
The included DSMX® transmitter features dual rates to
allow you to select the amount of travel that you want from
the control surfaces. Press the Aileron/Elevator stick into
the transmitter to change between low rate and high rate
mode for elevator and aileron. Low Rate is indicated by the
Power LED fl ashing, on High Rate the LED will be solid.
Dual Rates
Dual Rate High Rate Low Rate
Aileron
100% 70%
Elevator
100% 70%
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RTF/BNF Basic
IMPORTANT: The installed receiver
has been programmed for operation
specifi cally in this aircraft.
To operate the SAFE® or SAFE® Plus
(optional) system in this aircraft, set
up your optional DSMX®/DSM2
®
transmitter using the chart below.
- SAFE Flight mode is selected
using the B Switch (Gear/ Ch 5)
- Holding Pattern and AutoLand
are selected using Button I*
(Aux1/ Ch6)
IMPORTANT: A transmitter with a
2-position Channel 5 switch will only
allow the use of position 0 (Beginner
Mode) or position 2 (Experienced
Mode) fl ight modes. If possible
assign Channel 5 in your transmitter
to a 3-position switch to operate
all 3 fl ight modes (refer to your
transmitter’s manual).
Refer to your transmitter’s manual for
more information about transmitter
setup.
*Holding pattern and Autoland are
only available with the optional GPS
module
Transmitter Setup
Computerized Transmitter Setup
Start all transmitter programming with a blank model setup (do a
model reset), then name the model.
Set Aileron
and Elevator
Rates to:
HIGH 100%
LOW 70%
DX6e
DX6
DX7 (Gen2)
DX8e
DX8 (Gen2)
DX9
DX18
DX20
1. Go to the SYSTEM SETUP
2. Set MODEL TYPE: AIRPLANE
3. Go to CHANNEL ASSIGN:
click NEXT to go to Channel Input
Confi g: GEAR: B, AUX1: I
4. Go to the FUNCTION LIST
5. Go to throttle cut:
Assign the switch to the H switch
Set the cut off position to -130%
iX12
1. Touch the Model Setup tab from the main screen
2. Select Channel Assign;
Assign Gear (5) to Switch B
Assign Aux1 (6) to Switch I
3. Exit back to the main screen
4. Touch the Model Adjust tab from the main screen.
5. Select Throttle Cut:
Assign the switch to the H switch
Set the cut off position to -130%
Resulting in:
I Button
HP/AL button
Switch B
Flight Modes
Switch B operates the 3 SAFE Plus modes (0 beginner/1 intermediate/2 experienced)
Button I commands Holding Pattern/Autoland*
®
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Applies only when the optional GPS module is installed
Binding Procedure Without optional GPS
1. Make sure the fl ight battery is disconnected from the aircraft.
2. Ensure the transmitter is powered OFF.
3. Connect the fl ight battery to the aircraft and set the aircraft on the
ground. After fi ve seconds the aircraft will enter bind mode, as indicated
by red and green LEDs fl ashing rapidly on the receiver.
4. Make sure the transmitter controls and trims are at neutral and the
throttle is in the low position.
5. Put your transmitter into bind mode by holding the red HP/AL button
while powering ON the transmitter, after two seconds release the button.
6. After fi ve to ten seconds, the elevons will cycle to indicate the bind
is complete, and then return to center. Move the controls to confi rm
operation.
7. Disconnect the fl ight battery and power the transmitter off.
For subsequent fl ights, power on the transmitter for fi ve seconds before
connecting the fl ight battery.
Re-Binding the RTF Transmitter
Your Delta Ray One RTF transmitter comes pre-bound to the aircraft. If you ever need to
re-bind your aircraft, follow this binding table.
IMPORTANT: IF THE OPTIONAL GPS MODULE IS INSTALLED the aircraft will not respond to
transmitter commands after binding if it cannot acquire a GPS signal. To test or fl y the model indoors,
you must disable the GPS, see the Disable GPS section later in this manual.
If the GPS module is connected, the GPS must be disabled every time the aircraft is powered on in
order to operate the model without a GPS signal.
Binding: After binding with the GPS module installed, the aircraft will search for a GPS lock, indicated
by the elevons slowly cycling up and down. After acquiring a GPS lock, the home position must be set.
See the Powering On With GPS section of this manual for further details.
Compass calibration: After binding the fi rst time with the GPS module installed in the aircraft, compass
calibration is required. The aircraft will automatically enter the compass calibration sequence after
installing the GPS for the fi rst time. This is indicated by the elevons slowly cycling opposite up and down.
The aircraft will not respond to transmitter commands with the GPS module installed until calibration has
been completed. See the Compass Calibration section of this manual for further details.
Subsequent binding with the GPS module will not require compass calibration.
For a list of compatible DSMX
®
/DSM2® transmitters, please visit www.bindnfl y.com.
For more details on how to bind your transmitter, see the manual for your transmitter.
Binding Procedure Without optional GPS
Refer to your transmitter’s unique instructions for binding to a receiver.
1. Make sure the fl ight battery is disconnected from the aircraft.
2. Prepare you transmitter for binding according to its manual
3. Connect the fl ight battery to the aircraft set the aircraft on the ground. After fi ve seconds the aircraft
will enter bind mode, as indicated by red and green LEDs fl ashing rapidly on the receiver.
4. Make sure the transmitter controls and trims are at neutral and the throttle is in the low position.
5. Put your transmitter into bind mode.
6. After fi ve to ten seconds,
the elevons will cycle
to indicate the bind is complete, and then return to
center.
Move the controls to confi rm operation.
7. Disconnect the fl ight battery and power off the transmitter RF output.
For subsequent fl ights, power on the transmitter RF output for fi ve seconds before connecting the fl ight battery.
Binding
Binding Your Optional Transmitter
5
4
®
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RTF/BNF Basic
3
1
2
Up to 5 Seconds
CAUTION: Always disconnect the Li-Po fl ight battery from the aircraft when not fl ying to avoid
over-discharging the battery. Batteries discharged to a voltage lower than the lowest approved voltage
may become damaged, resulting in loss of performance and potential fi re when batteries are charged.
CAUTION: Always keep hands away from the propeller and fully lower the throttle and throttle trim.
When armed, the motor will turn the propeller in response to any throttle movement.
Battery Selection
• The E-fl ite® 280mAh 7.4V 2S 30C Li-Po battery
(EFLB2802S30) is recommend.
• We recommend only using the suggested battery
for proper performance.
1. Lower the throttle stick to the lowest setting
and center the throttle trim with your transmitter
powered on.
2. Apply a strip of hook tape to the battery.
3. Open the battery hatch.
4. Install the fl ight battery as shown and verify the
CG before fl ight. Move the battery fore or aft as
necessary to achieve the recommended CG.
5. Connect the battery to the ESC. Close the hatch
and place the aircraft on the ground. Keep the aircraft immobile and away from wind for 5 seconds.
6. When the fl ight control system has completed
initialization, it will make several tones from
the motor, cycle the elevons up and down, and
then make several more tones from the motor to
indicate the model is ready to operate.
Install the Flight Battery
Center of Gravity (CG)
Measure back 60 – 68mm from the break in the
leading edge of the wing, and place a mark. With
the battery installed, balance the aircraft within
this CG range.
60 – 68mm
Side view of battery placement
(without GPS module)
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Beginner Mode (Pos 0):
• Below approx. 46 feet (14m), pitch (nose
up and down) and roll (wing tips up and
down) angles are limited to help you keep
the aircraft airborne.
• Above approximately 46 feet (14m), pitch
and roll control are increased slightly.
• At any time release both sticks to activate
panic recovery mode for self-leveling.
Intermediate Mode (Pos 1):
• Same as beginner mode, Self leveling
below approximately 46 feet (14m).
• Above 46 feet (14m) self leveling is not active.
Pitch and Roll control angles are higher
Experienced Mode (Pos 2):
• Unlimited Flight Envelope.
• It is recommended when using the RTF
transmitter to use low rates for the
fi rst few fl ights in experienced mode or
until you become familiar with the fl ight
performance of the Delta Ray One.
• Switch to beginner mode at any time and
release the control sticks for self-leveling.
NOTICE: If the aircraft is upside down when the self
leveling is applied, suffi cient altitude is required for
the aircraft to return to straight and level fl ight.
Holding Pattern and AutoLand:*
Inoperable without the GPS module. Move the
fl ight mode switch to the beginner position if
you feel you have lost control.
Holding pattern and Autoland are only available
with the optional GPS module, see adding the
optional GPS section later in this manual for
more details.
RollPitch
RollPitch
RollPitch
Beginner Mode
(Switch Position 0)
Intermediate Mode
(Switch Position 1)
Experienced Mode
(Switch Position 2)
1
1 (middle)
2
2 (toward pilot)
0
0 (away from pilot)
Switch Position
Flight Mode Switch
SAFE® Technology Flight Modes
Three position fl ight mode switch RTF transmitter
The three position switch on the upper left hand
corner of the RTF transmitter controls the fl ight
mode. The “B” switch controls the fl ight mode for
BNF aircraft, when using the transmitter settings
recommended in this manual.
The fi rst few times trying experienced
mode it is suggested to use low rates
EN
11
RTF/BNF Basic
Control Direction Test
Up Elevator (climb)
Down Elevator (descend)
1. Place the aircraft into Experienced mode (Mode
switch position 2).
2. Place the aircraft on the ground facing away from you.
3. Move the sticks on the transmitter to ensure the
aircraft responds as shown.
4. If the aircraft responds as shown, move the SAFE
®
mode switch to Beginner mode (Position 0) to
prepare to fl y.
Refer to the Binding instructions and Troubleshooting
Guide in this manual for more information. If you need
more assistance, contact the appropriate Horizon
Hobby Product Support department.
Mode 2 shown
Aileron Left Aileron Right
Experienced Mode
(Switch Position 2)
1
2
0
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12
SAFE® Control Direction Test
Perform the Control Direction Test in
beginner mode to ensure the aircraft
responds correctly to your transmitter.
Once you are sure the aircraft
responds correctly, stay clear of the
prop, run the motor briefl y to above
half power or more. Shut the motor
back off and confi rm the throttle stick
is in the lowest position.
Change to beginner mode. Move the
aircraft as shown to ensure the SAFE
system moves the control surfaces
in their proper direction. If the control
surfaces do not respond as shown,
do not fl y the aircraft. Contact
Horizon Hobby Product Support.
The SAFE system will not activate
until the throttle stick or trim is
increased for the fi rst time after the
fl ight battery is connected. Once the
SAFE is active, the control surfaces
may move on the aircraft. This is
normal. SAFE will remain active
until the battery is disconnected.
Aircraft
movement
SAFE Reaction
ElevatorAileron
Fly in this area
(upwind of pilot)
Stand here
1300feet
(400 m)
Wind 0–12 mph
(0–19km/h)
Consult local laws and
ordinances before choosing a
location to fl y your aircraft.
In order to have the most
success and to protect your
property and aircraft, it is very
important to select a place to fl y
that is very open.
Remember, your aircraft can
reach signifi cant speeds when
fl ying and can cover ground
quickly. Plan on fl ying in an area
that gives you more space than
you think you need, especially
with fi rst fl ights.
The site should:
• Have a minimum of approximately 1300 feet (400m)
of clear space in all directions.
• Be clear of people and pets.
• Be free of trees, buildings,
cars, power lines or anything
that could entangle your
aircraft or interfere with your
line of sight.
Choose a Flying Field
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