Twin Otter ARF



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Glow Power
• 6+ channel radio system with 10 servos
• 2 engines
• 2 propellers

Electric Power
• 6+ channel radio system with 8 servos
• 2 electric motors
• 2 speed controls
• 2 battery packs
• 2 propellers


Hangar 9’s Twin Otter ARF provides a great scale introduction to twin engine flight. Based on the UV-18B Planes used by the USAF Academy cadet parachuting program, its high wing design and electric power option make it a great first-time twin.

Hangar 9’s Twin Otter is a scale model of the UV-18 'Twin Otter' is the military version of the DeHavilland DHC-6. The trim scheme is based on the three UV-18B planes used by the US Air Force Academy cadet parachuting program which carry a pilot, copilot and up to 17 jumpers, and are the only three owned by the Air Force. Although this is a multi-engine model, the high wing design and Clark Y airfoil improve low speed handling and provide stable flight characteristics which make this a great first-time twin for intermediate to advanced pilots. The Twin Otter ARF also features an electric power option which adds to the reliability and fiberglass cowlings and fairings which make it very durable and easy to repair. The aircraft also includes fixed gear and large landing flaps to provide easy and fun landings without the addition of complicated landing gear being necessary.


  • Painted fiberglass Engine Nacelles, Cowlings, Nose and Main Gear Fairings
  • Fixed Landing Gear with functional Oleo Nose Strut
  • EVO 36/Power 25 ready
  • Low-speed handling improved and stall speed reduced by Clark Y airfoil
  • Easy-going sport plane flying manners
  • Exceptional scale outline
  • Plug-in wings with slotted flaps installed
  • Balsa/light plywood airframe
  • All hardware included
  • Easy and fun landings made possible by large landing flaps


82.0 in (2080mm)
Overall Length:
65.0 in (1650mm)
Wing Area:
738 sq in (47.61 sq dm)
Flying Weight:
11.5–13.2 lb (5.2–6.0 kg)
Engine Size:
.36-.40 2-stroke
Motor Size:
Power 25 BL Outrunner Motor
6+ channel with 8-10 servos
Trim Scheme Colors:
UltraCote: Golden Yellow (U889), White (U870), Deep Blue (U873)
CG (center of gravity):
The recommended CG location is 2 1/2 (64mm) to 3 inches (76mm) behind the leading edge of the wing

Parts & Accessories

Completion Guides Recommended Electronics and Accessories   (See All)

  • Evolution 3 Wire Ignition/RX Switch

  • Servo Extension 9-inch Heavy-Duty, Gold

  • Servo Extension 36-inch Heavy-Duty, Gold

  • Y-Harness, Heavy-Duty

Completion Guides Recommended- 2-Stroke Glow   (See All)

  • Evolution Propeller 11x6

  • 40NX RC Glow Engine with Muffler

  • Fuel Filler with "T" & Overflow Fitting

Completion Guides Recommended: Electric   (See All)

  • Thin Electric Propeller, 12 x 8E

  • 40-Amp Pro Switch-Mode BEC Brushless ESC

  • 3200mAh 3S 11.1V 30C LiPo, 12AWG EC3

  • Power 25 Brushless Outrunner Motor, 870Kv

Parts Listing   (See All)

  • Fuse Assembly with Hatch Twin Otter ARF

  • Engine Cowling Twin Otter ARF

  • Left Engine Nacelle Twin Otter ARF

  • Right Engine Nacelle Twin Otter ARF

Building Tools   (See All)

  • ZAP A Gap CA+ Glue, 1 oz

  • ZAP CA Glue, 1 oz

  • ZAP 30 Min Z-Poxy, 8 oz

  • ZAP Z-42 Thread Lock, .20 oz

Pit/Field Equipment   (See All)

  • 2-& 4-Cycle Super Glow Plug

  • Manual Fuel Pump

  • Long Reach Glow Plug Wrench

  • Metered Glow Driver with Ni-Cd and Charger







The nose wheel strut that&#...

The functioning rear cargo...

The painted fiberglass engine...

The wings come out of the box...



1 Authorized Warranty Period (Date of Purchase)

What this Warranty Covers 
Horizon Hobby, Inc., (Horizon) warrants to the original purchaser that the product purchased (the "Product") will be free from defects in materials and workmanship at the date of purchase.

2 Authorized Limited Warranty & Limits of Liability International

What is Not Covered
This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or due to improper use, installation, operation or maintenance, (iii) modification of or to any part of the Product, (iv) attempted service by anyone other than a Horizon Hobby authorized service center, (v) Product not purchased from an authorized Horizon dealer, or (vi) Product not compliant with applicable technical regulations.


Purchaser’s Remedy
Horizon’s sole obligation and purchaser’s sole and exclusive remedy shall be that Horizon will, at its option, either (i) service, or (ii) replace, any Product determined by Horizon to be defective. Horizon reserves the right to inspect any and all Product(s) involved in a warranty claim. Service or replacement decisions are at the sole discretion of Horizon. Proof of purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY.

Limitation of Liability
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY, REGARDLESS OF WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER THEORY OF LIABILITY, EVEN IF HORIZON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Further, in no event shall the liability of Horizon exceed the individual price of the Product on which liability is asserted. As Horizon has no control over use, setup, final assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability. If you as the purchaser or user are not prepared to accept the liability associated with the use of the Product, purchaser is advised to return the Product immediately in new and unused condition to the place of purchase.

These terms are governed by Illinois law (without regard to conflict of law principals). This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Horizon reserves the right to change or modify this warranty at any time without notice.


Questions, Assistance, and Services
Your local hobby store and/or place of purchase cannot provide warranty support or service. Once assembly, setup or use of the Product has been started, you must contact your local distributor or Horizon directly. This will enable Horizon to better answer your questions and service you in the event that you may need any assistance. For questions or assistance, please visit our website at, submit a Product Support Inquiry, or call 877.504.0233 toll free to speak to a Product Support representative.

Inspection or Services
If this Product needs to be inspected or serviced and is compliant in the country you live and use the Product in, please use the Horizon Online Service Request submission process found on our website or call Horizon to obtain a Return Merchandise Authorization (RMA) number. Pack the Product securely using a shipping carton. Please note that original boxes may be included, but are not designed to withstand the rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance for lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted at our facility. An Online Service Request is available at If you do not have internet access, please contact Horizon Product Support to obtain a RMA number along with instructions for submitting your product for service. When calling Horizon, you will be asked to provide your complete name, street address, email address and phone number where you can be reached during business hours. When sending product into Horizon, please include your RMA number, a list of the included items, and a brief summary of the problem. A copy of your original sales receipt must be included for warranty consideration. Be sure your name, address, and RMA number are clearly written on the outside of the shipping carton.
NOTICE: Do not ship LiPo batteries to Horizon. If you have any issue with a LiPo battery, please contact the appropriate Horizon Product Support office.

Warranty Requirements
For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your Product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of Horizon.

Non-Warranty Service
Should your service not be covered by warranty, service will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50% of the retail purchase cost. By submitting the item for service you are agreeing to payment of the service without notification. Service estimates are available upon request. You must include this request with your item submitted for service. Non-warranty service estimates will be billed a minimum of ½ hour of labor. In addition you will be billed for return freight. Horizon accepts money orders and cashier’s checks, as well as Visa, MasterCard, American Express, and Discover cards. By submitting any item to Horizon for service, you are agreeing to Horizon’s Terms and Conditions found on our website

ATTENTION: Horizon service is limited to Product compliant in the country of use and ownership. If received, a non-compliant Product will not be serviced. Further, the sender will be responsible for arranging return shipment of the un-serviced Product, through a carrier of the sender’s choice and at the sender’s expense. Horizon will hold non-compliant Product for a period of 60 days from notification, after which it will be discarded.

United States:
Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Service Center
4105 Fieldstone Road
Champaign, Illinois 61822

All other Products requiring warranty inspection or repair should be shipped to the following address:

Horizon Product Support
4105 Fieldstone Road
Champaign, Illinois 61822

Please call 877-504-0233 or e-mail us at with any questions or concerns regarding this product or warranty.

United Kingdom:
Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Hobby Limited 
Units 1-4 Ployters Rd
Staple Tye
Harlow, Essex
CM18 7NS
United Kingdom

Please call +44 (0) 1279 641 097 or e-mail us at with any questions or concerns regarding this product or warranty.

Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Technischer Service
Christian-Junge-Strasse 1
25337 Elmshorn

Please call +(0) 49 4121 2655 100 or e-mail us at with any questions or concerns regarding this product or warranty.

Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Hobby SAS
11 Rue Georges Charpak

Please call +33 (0) 1 60 18 34 90 or e-mail us at with any questions or concerns regarding this product or warranty.

China:                                                                                           Electronics and engines requiring inspection or repair should be shipped to the following address:

Horizon Hobby – China
Room 506, No. 97 Changshou Rd.
Shanghai, China 200060

Please call +86 (021) 5180 9868 or email us at with any questions or concerns regarding this product or warranty.



Modified: 11/13/2012