Overview
The E-flite DHC-6 Twin Otter 1.4m BNF Basic Combo with Floats is a larger, upgraded take on the iconic STOL utility aircraft that has been a reliable workhorse for over 60 years. Modelled after the de Havilland DHC-6 Twin Otter, originally developed in 1965 as a rugged Short Take-Off and Landing commuter aircraft, this RC scale replica brings authentic aviation heritage to your flying field or water body. With a 1.4m wingspan, this is a conveniently sized yet impressive twin-powered model that makes the perfect first or next twin for intermediate to experienced RC pilots who are looking for a versatile, easy-to-fly aircraft with genuine performance credentials. The E-flite Twin Otter 1.4m is a larger and upgraded alternative to the popular 1.2m model, offering more scale details, modern-day conveniences, advanced flight technologies, and excellent performance whilst remaining accessible and enjoyable for experienced pilots stepping into twin-engine flying for the first time.
This Bind-N-Fly Basic model arrives factory-fitted with everything you need to get airborne quickly, including twin brushless motors, a sophisticated Spektrum AR631+ receiver featuring advanced AS3X+ and optional-use SAFE Select flight envelope protection, and a Smart-enabled Avian Dual 25A ESC. Whether you're purchasing a ready to fly RC aeroplane for land-based operations or planning to explore water flying with the included float set, the Twin Otter 1.4m delivers versatility without compromise. The model is fully assembled and systems-ready, meaning you only need to bind the receiver to your compatible Spektrum transmitter, charge a 3S or 4S LiPo battery, and you're ready for takeoff. This makes it an ideal choice for UK RC enthusiasts seeking a brushless RC aircraft that combines scale authenticity with modern stability technology and practical functionality.
What sets the Twin Otter 1.4m apart from other twin-engine RC models is its thoughtful engineering and attention to detail. The airframe features moulded-in panel lines, scale-accurate corrugated control surfaces, windshield wipers, handles, antennas, and authentic scale trim scheme that bring the real aircraft to life. Functional flaps deliver improved slow-speed handling and shorter takeoff and landing distances, whilst factory-installed LED navigation and landing lights add to the scale realism and operational capability. The inclusion of counter-rotating 3-blade propellers finished with black and white stripes provide both visual appeal and balanced power delivery. With six factory-installed servos including a more durable metal-geared nose steering and rudder servo, differential thrust capability, optional motor reversing for refined ground and water handling, and the unmatched stability of Spektrum's exclusive AS3X+ technology, the Twin Otter 1.4m is genuinely versatile, genuinely easy to fly, and genuinely fun for RC pilots at all experience levels within the intermediate to advanced range.
Key Features
- Scale replica of the iconic de Havilland DHC-6 Twin Otter STOL aircraft — This model faithfully recreates the legendary cargo and passenger-carrying utility aircraft that has operated in the harshest environments on Earth for 60 years, featuring moulded-in panel lines, corrugated control surfaces, windshield wipers, handles, antennas, and an authentic scale trim scheme that brings genuine aviation heritage to your flying field.
- Twin brushless power system with specially tuned motors — The factory-installed dual Spektrum brushless outrunner motors rated at 2830–950Kv are specifically tuned to work together and are compatible with both 3S and 4S LiPo batteries (2200–3200mAh) without requiring any modifications or upgrades, delivering impressive thrust and excellent flight times.
- Spektrum Avian Dual 25A Brushless Smart Lite ESC with real-time telemetry — This advanced electronic speed controller provides real-time power system data including battery voltage, motor RPM, and temperature monitoring when used with compatible receivers and transmitters, allowing you to monitor your aircraft's performance during flight and optimise battery usage for longer flights.
- Spektrum AR631+ 6-channel receiver with AS3X+ and optional SAFE Select — The receiver features exclusive enhanced AS3X+ technology that smooths out wind and turbulence effects to deliver a locked-in, stable flying feel that makes the aircraft seem much larger and more stable than it actually is, whilst optional-use SAFE Select provides pitch and bank angle limits and automatic self-leveling for added confidence and safety.
- Differential thrust and optional motor reversing — These sophisticated features enable refined ground handling for easier taxiing, takeoffs and landings, and allow special aerobatic manoeuvres to be performed, whilst being particularly valuable when operating from water using the included float set.
- Operational flaps for improved flight characteristics — Functional flaps can be deployed to improve slow-flight handling and enable shorter takeoff and landing distances, giving you greater control authority across the entire flight envelope and expanding your operational capabilities.
- LED navigation and landing lights for scale authenticity — Factory-installed LED lighting including navigation lights (wingtip lights) and landing lights adds scale realism and operational capability, allowing evening flights and improving visibility at distance.
- Counter-rotating propellers with distinctive striped finish — The 3-blade propellers with black and white stripes provide balanced power delivery from the twin motors and look impressive whether spinning or standing still, enhancing the scale appearance of your model.
- Six factory-installed Spektrum servos including metal-geared durables — Premium servo installation includes a more durable digital metal-geared servo for nose gear steering and rudder control, ensuring precise and reliable control at every speed and extending the service life of critical control components.
- Tricycle landing gear with steerable, strengthened nose wheel — The landing gear features a stronger and easier to repair or service nose wheel that steers smoothly, improving ground handling and making maintenance simpler when damage occurs.
- Lightweight composite-reinforced EPO airframe construction — The airframe combines lightweight EPO foam with composite reinforcement for durability and strength, providing excellent crash resistance whilst keeping the aircraft light enough for stable, predictable flight characteristics and easy transport.
- Fast, glue-free assembly with two-piece wing design — Final assembly requires no glue or special tools and takes less time than charging a battery, whilst the two-piece wing and stabiliser can be removed for more compact storage and transport in your vehicle.
- Included float set for water operations — The EFL5261 float set is included in this combo, allowing you to remove the landing gear and operate from large ponds and small lakes; the same floats are used on popular Timber 1.2m and 1.5m models for proven reliability and compatibility.
- Smart Transmitter Model File for NX/iX series radios — The receiver is pre-loaded with a Smart Transmitter Model File that allows rapid setup on compatible Spektrum NX and iX series transmitters, importing all settings during the binding process and reducing setup time significantly.
- Bind-N-Fly convenience with no complex programming required — As a BNF Basic model, everything arrives installed and ready; you simply bind to your compatible Spektrum transmitter and fly, with optional SAFE Select features available through a simple binding sequence requiring no complex programming.
Technical Performance
The E-flite Twin Otter 1.4m BNF Basic Combo represents a significant engineering achievement in the twin-engine RC aircraft category. Measuring 1450mm in wingspan and 1044mm in length with a flight weight of 1665 grams, the model is substantial enough to feel stable and predictable in the air whilst remaining conveniently sized for transport and operation at parks, sports fields, and dedicated RC flying fields across the UK. The power system utilises two Spektrum brushless outrunner motors rated at 2830–950Kv, which are specifically tuned for this application and connected to a Spektrum Avian Dual 25A Brushless Smart Lite ESC that intelligently manages power distribution to both motors. This configuration is compatible with both 3S (11.1V) and 4S (14.8V) LiPo batteries in the 2200–3200mAh capacity range, offering flexibility in power and flight duration depending on your mission requirements; a 3S battery delivers excellent power with good flight times, whilst a 4S battery provides virtually unlimited vertical capability without modifications. The airframe utilises composite-reinforced EPO construction, which combines lightweight foam core with fibreglass reinforcement for a strength-to-weight ratio that balances durability with flight performance. The aircraft features six factory-installed Spektrum digital servos for precise control authority, including a more robust metal-geared servo specifically for nose gear steering and rudder control to withstand the higher loads and repeated use these critical systems endure. The receiver, a Spektrum AR631+ 6-channel unit, incorporates exclusive AS3X+ stabilisation technology that works continuously to smooth out the effects of wind gusts and atmospheric turbulence, resulting in a noticeably locked-in and stable flying feel that makes inexperienced pilots seem more competent and experienced pilots more confident. Optional-use SAFE Select technology provides pitch and bank angle envelope protection and automatic self-levelling when activated, creating a safety net that prevents inadvertent negative-G manoeuvres and stalls. The differential thrust system allows independent motor speed control for improved ground and water handling, whilst optional motor reversing capability enables special manoeuvres and refined control during taxiing and landing. Assembly is remarkably straightforward, requiring no adhesives or special tools, with the two-piece wing design featuring hands-free connections that allow complete disassembly for storage without tools.
What's in the Box
- E-flite Twin Otter 1.4m airframe (fully assembled)
- 5 x Spektrum digital servos (factory-installed)
- 1 x Spektrum digital metal-geared servo for nose steering/rudder (factory-installed)
- 2 x Spektrum brushless outrunner motors (factory-installed)
- 1 x Spektrum Avian Dual 25A Brushless Smart Lite ESC (factory-installed)
- 1 x Spektrum AR631+ 6-channel receiver with AS3X+ and SAFE Select (factory-installed)
- Float Set (EFL5261) for water operations
- Product manual with assembly and setup instructions
What You Need to Complete
- Full-range 5–6+ channel Spektrum DSMX/DSM2 compatible transmitter (e.g. DX6e, DX8e, DX6 G2/3, DX8 G2, DX9, NX6–20, iX12–20)
- 1 x 3S 11.1V or 4S 14.8V 2200–3200mAh LiPo battery with IC3 or EC3 connector
- 1 x Compatible LiPo battery charger
Frequently Asked Questions
- Is the E-flite Twin Otter 1.4m suitable for beginners or is it only for experienced pilots? — The Twin Otter 1.4m is rated as Skill Level 2, which means it's suitable for RC pilots who already have some experience assembling, setting up, and flying similar models. You should have previous experience with models like the E-flite T-28 Trojan 1.1m, Valiant 1.3m, Commander mPd 1.4m, or Turbo Timber Evolution 1.5m before attempting to fly this model. However, the optional-use SAFE Select technology built into the AR631+ receiver provides pitch and bank angle envelope protection and automatic self-levelling, which can provide an extra margin of safety whilst familiarising yourself with twin-engine operations. It's not a first-aircraft model, but it is genuinely accessible to intermediate pilots ready to step up to twin-engine flying.
- What battery does the Twin Otter 1.4m require and how long does it fly? — The model requires a single LiPo battery in either 3S (11.1V) or 4S (14.8V) configuration with a capacity between 2200–3200mAh and either an IC3 or EC3 connector. A 3S battery delivers excellent power and flight times suitable for most flying sessions, whilst a 4S battery provides significantly more power and virtually unlimited vertical capability without requiring any modifications. Exact flight time depends on your flying style and battery capacity, but the efficient power system and aerodynamic design make this model very efficient, typically delivering 10–15+ minute flights depending on conditions.
- Can the Twin Otter 1.4m be flown from water as well as land? — Yes, this combo includes the EFL5261 float set, which allows you to remove the landing gear and operate the aircraft from large ponds and small lakes. The same floats are used on popular Timber 1.2m and 1.5m models, demonstrating proven reliability and compatibility with the Spektrum power systems. The differential thrust and optional motor reversing features are particularly valuable when operating from water, providing refined control during water taxiing and takeoff. Water operations require careful planning and weather assessment, and you should ensure adequate open water and clear approaches before attempting water flying.
- What is the difference between this BNF Basic model and other versions of the Twin Otter 1.4m? — This BNF (Bind-N-Fly) Basic version arrives with everything factory-installed including the power system, servos, and Spektrum AR631+ receiver, so you only need to bind the receiver to your transmitter and fly. The receiver features exclusive AS3X+ stability technology and optional-use SAFE Select, which provide excellent flight stability and safety. Alternative PNP (Plug-N-Play) versions require you to provide your own receiver, and there may be other variants optimised for different flying styles. The BNF Basic version is ideal if you already own a compatible Spektrum transmitter and want the fastest path to flight with proven factory configuration.
- What transmitter do I need to fly the Twin Otter 1.4m? — You need a full-range 5–6+ channel Spektrum DSMX or DSM2 compatible transmitter. Compatible options include the DX6e, DX8e, DX6 G2/3, DX8 G2, DX9, and the newer NX6–20 or iX12–20 series. The receiver includes a Smart Transmitter Model File that allows rapid setup on NX and iX series radios, importing all settings automatically during binding. If you don't already own a compatible transmitter, you'll need to purchase one separately; authorised Spektrum dealers including RC Model Shop can recommend options suitable for your needs and budget.
- Does this model include LED lighting and are the lights functional? — Yes, the Twin Otter 1.4m features factory-installed LED navigation lights (wingtip lights) and landing lights that are fully functional and can be controlled via a transmitter switch. These lights add to the scale realism of the model and provide practical operational capability, allowing you to fly in lower-light conditions and improving visibility at distance. The lights run from the aircraft's main battery system, so they will be active as long as the battery is connected.
- What is AS3X+ technology and how does it improve my flying? — AS3X+ (Artificial Stabilization-3-aXis+) is Spektrum's exclusive enhanced stabilisation technology that works continuously in the background to smooth out the effects of wind gusts and atmospheric turbulence. The result is a noticeably locked-in and stable flying feel that makes the aircraft seem much larger and more expertly tuned than it actually is. This technology works at all times and significantly reduces pilot workload, allowing you to focus on flying rather than making constant corrections. The enhanced AS3X+ version in this model provides superior performance compared to standard AS3X, making it particularly valuable for intermediate pilots transitioning to larger twin-engine models.
- What is SAFE Select and should I enable it? — SAFE Select is optional-use flight envelope protection technology built into the AR631+ receiver. When enabled, it provides pitch and bank angle limits that prevent excessive roll or pitch, automatic self-levelling when the sticks are released, and bank angle limiting during turns. These features can provide valuable safety protection whilst you're familiarising yourself with the aircraft's handling and twin-engine operations. SAFE Select can be enabled by changing the binding sequence as directed in the manual; if you prefer not to use it, simply bind normally and the aircraft functions as a standard AS3X+ receiver. No programming is required to enable or disable SAFE Select features.
- How does differential thrust help with flying the Twin Otter 1.4m? — Differential thrust allows the twin motors to be controlled independently, enabling you to adjust the speed of each motor separately. This feature significantly improves ground handling and taxiing characteristics, allowing easier steering without requiring full rudder input. Differential thrust also enables special aerobatic manoeuvres and is particularly valuable when operating from water using the optional floats, where subtle thrust differential provides refined control during water taxiing and takeoff. For normal flying, differential thrust is managed by the flight control system and operates automatically to complement the rudder control.
- What is the Smart Lite ESC and why does it matter? — The Spektrum Avian Dual 25A Smart Lite ESC is an advanced electronic speed controller that manages power distribution to both motors. The Smart Lite version provides real-time telemetry data including battery voltage, motor RPM, and temperature monitoring when used with compatible receivers (like the AR631+) and compatible transmitters. This telemetry allows you to monitor your aircraft's power system performance during flight, optimise battery usage, and identify potential issues before they become problems. The Smart capabilities work with both Smart and non-Smart batteries, making this system highly flexible and future-proof.
- How durable is the airframe and what happens if I crash? — The Twin Otter 1.4m features a composite-reinforced EPO foam airframe that combines excellent durability with lightweight construction. EPO foam is more crash-resistant than traditional foam, absorbing impact energy without catastrophic structural failure. In the event of a crash, components like the wings, fuselage, and stabiliser can typically be repaired using EPO foam repair techniques or replacement foam parts. The airframe also features a stronger, easier-to-repair nose wheel, and replacement parts are readily available through RC Model Shop. Like any RC aircraft, careful landings minimise damage risk, but the robust construction provides good crash protection for typical handling mistakes.
- Can I upgrade the motors or ESC if I want more performance? — The motors and ESC supplied are specifically optimised for the Twin Otter 1.4m's airframe and weight. The 25A ESC is rated for the supplied motors and battery combinations, and upgrading to significantly more powerful motors could exceed the ESC's capacity or unbalance the airframe. For most pilots, the supplied power system delivers excellent performance with 3S batteries and impressive capabilities with 4S batteries, without requiring upgrades. If you're considering modifications, consult with RC Model Shop staff who can advise on compatibility and safe upgrade paths.
- How long does assembly take and do I need special tools? — Final assembly of the Twin Otter 1.4m requires no glue and no special tools, taking approximately 30–60 minutes depending on your familiarity with RC aircraft. The wing and stabiliser attach via hands-free connections and slide into place, the float set attaches to the landing gear attachment points, and final checks involve confirming servo throws, centre of gravity, and battery secure mounting. All components arrive factory-assembled and tested, so you're simply completing final assembly, checking control responses, binding the receiver, charging a battery, and flying. The manual provides clear step-by-step instructions with photographs.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the E-flite DHC-6 Twin Otter 1.4m BNF Basic Combo with Floats A-EFL32050CF today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
