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E-Flite Apprentice STS BNF Basic with SAFE 1.5m (E-Flite EFL3750 | EFL3750)

Model: E-Flite EFL3750
Dist. #: EFL3750   SKU: EFL3750

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Updated on Jul 17, 2025 12:24:15 PM

Apprentice STS BNF Basic with SAFE 1.5m...


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Apprentice STS 1.5m





Introduction
The E-flite® Apprentice® STS 1.5m is based on among the absolute best platforms ever designed for discovering to fly radio managed (RC) airplanes—the famous Apprentice S 15e. That design's large size made it a perfect option for much better exposure and the ability to handle more wind while discovering to fly at an RC club flying field, and its naturally steady style plus unique SAFE® (Sensing Unit Helped Flight Envelope) technology made it simple to fly successfully—especially with the help of an instructor. The Apprentice STS 1.5m is a modern-day evolution of the world's favorite club fitness instructor that includes all the exact same excellent features while adding Smart components including an ESC, battery and charger (battery and charger offered separately for the BNF® Basic variation), together with the option to include SAFE Plus® GPS-enabled technology and the brand new Landing Assist Sensor (LAS), to make discovering to fly simpler—and more enjoyable—than ever before!





Features

Based on among the finest platforms ever designed for discovering to fly radio managed (RC) airplanes—the Apprentice S 15e

Perfect for novice pilots, experienced pilots that teach others to fly and club training programs

Authorities Fitness Instructor of the Academy of Model Aeronautics (AMA) and many clubs worldwide

The ideal option for new pilots when discovering to fly with an instructor at an RC flying field

Exclusive SAFE® technology from Horizon Pastime makes it simple to discover to fly

Easily upgrade to SAFE Plus GPS-enabled technology to include AutoLand, Virtual Fence and Holding Pattern features

Optional and simple to set up Landing Assist Sensor (LAS) readily available for smoother landings

Factory-installed servos, Spektrum flight controller and serial receiver

Powerful and effective brushless power system including a Smart ESC

Wide-stance tricycle landing gear with steerable nose wheel

Quick and easy assembly—no glue or unique tools needed

Durable EPO construction that's tough yet light-weight

Optional drifts readily available for flying from water

Practice flying this aircraft in the RealFlight® simulator





Overview
E-flite® took the world's favorite club fitness instructor and made it SMARTER with the Apprentice® STS 1.5m. Based on among the absolute best platforms ever designed for discovering to fly radio managed (RC) airplanes, its large size and 1.5 meter (59.0 inch) wingspan provides much better exposure and the ability to handle more wind while discovering to fly at an RC club flying field. Its naturally steady style plus SAFE® (Sensing Unit Helped Flight Envelope) technology including Beginner, Intermediate and Experienced flight modes makes it simple to fly successfully, especially with the help of an instructor. The addition of unique Spektrum™ Smart components including a lithium polymer (LiPo) battery and charger make it more convenient to charge appropriately and securely (battery and charger offered separately for the BNF® Basic variation). And best of all it now has the option to update to SAFE Plus GPS-enabled technology that provides features such as AutoLand and Virtual Fence, plus the option to set up the brand new Landing Assist Sensor (LAS) that immediately "flares" for smoother landings, to make discovering to fly—and to land securely—simpler than ever!
The Ready-To-Fly (RTF) variation includes everything needed to fly in one box, and is the best option if you're a new RC pilot. From the Spektrum DXe 2.4GHz transmitter you can utilize with other Bind-N-Fly® (BNF) and BNF Basic aircraft after you discover to fly the Apprentice STS, to the 3S 3200mAh Smart LiPo battery that delivers long flight times and the convenient S120 USB-C Smart charger that can be utilized with a variety of USB power sources, there's absolutely nothing additional you need to buy or supply! A BNF Basic variation is likewise readily available for skilled pilots and clubs that want to utilize their favorite Spektrum transmitter together with batteries and battery chargers they might currently own. And for both variations, the effective and effective brushless power system including a Smart ESC, plus the flight controller, receiver and servos, are all factory-installed in the resilient EPO airframe that assembles quickly and easily without the need for glue or unique tools.
And the enjoyable doesn't stop after you discover how to fly! In the Experienced Mode, the Apprentice STS 1.5m can performing aerobatic maneuvers including loops, rolls, inverted (upside down) flight and more. You can even set up the optional drifts to remove from and arrive on water.
The Apprentice STS 1.5m is the most intelligent and finest club fitness instructor ever, which makes it best for novice pilots, experienced pilots that teach others to fly, and for club training programs alike. That's why it's the Authorities Fitness Instructor of the Academy of Model Aeronautics (AMA) and the very best option for new pilots looking for a larger fitness instructor that makes it simpler to advance into more advanced RC airplanes!





Needed to Complete

Full-Range 6+ Channel Spektrum™ DSMX®/DSM2® Compatible 2.4GHz Transmitter

3200mAh 3S 11.1V LiPo Battery with EC3™ or IC3™ Connector

3S 11.1V LiPo Compatible Charger

What's in the Box?

(1) E-flite Apprentice STS 1.5m with:

(1) Brushless Outrunner Motor (set up)

(1) Smart 30A Brushless ESC (set up)

(2) 13-gram Digital and (4) 37-gram Servos (set up)

(1) Spektrum 3230 Flight Controller (set up)

(1) Spektrum 4650 Serial Receiver (set up)

(1) Item Manual







Optional Landing Assist Sensing Unit for Easier Landings

Optional Landing Assist Sensor for Smoother Landings
The brand new Spektrum Landing Assist Sensing Unit (LAS) is simple to set up and offers automated "flare" control to help unskilled pilots "grease" landings by minimizing or entirely removing bouncing (works finest when flying over/landing in grass).
 

Smart Electronic Speed Control (ESC)

Smart Electronic Speed Control (ESC)
The Apprentice STS 1.5m is geared up with an exclusive Smart ESC that can supply a variety of real-time power system related telemetry information including motor RPM, existing, battery voltage and more to compatible Spektrum AirWare™ equipped transmitters (including the DX6e and 8e, DX6 and 8 G2, the DX9, iX12 and others) while you fly.
 





Durable Design

Durable Design
Building with sophisticated EPO product delivers a lightweight yet resilient airframe that's tough enough to handle everyday flying penalty without getting bent out of shape. The wing attaches to the fuselage with rubber bands so it can twist or "pop" totally free in the event of a tough landing or crash to lessen damage. And in the unfortunate occasion you harm any airframe parts or components and can't fix them, a complete line of replacement parts is readily available.
 

Easy Assembly

Easy Assembly
The Apprentice STS 1.5m shows up primarily factory-assembled with the power system, flight controller, receiver and servos set up. All you need to do is complete some quick and simple last assembly, without making use of glue or unique tools, and you'll be all set to fly in less time than it requires to charge a battery!
 





Capable Gear

Capable Gear
The wide-stance tricycle landing gear with a steerable nose wheel provides improved ground dealing with for simpler remove and landings on a variety of surfaces from paved runways to grass and even dirt.
 

Optional Floats

Optional Floats
Turn the Apprentice STS 1.5m into a float aircraft with the optional float set (EFLA550; offered separately). Setup takes just a few minutes and all the needed hardware is included with the aircraft and float set.
 





SAFE technology
 

Find out to Fly Effectively with SAFE® Innovation
If this is your very first RC aircraft, Horizon Hobby-exclusive SAFE (Sensing Unit Helped Flight Envelope) technology prevents over-control and crashing while likewise using multiple flight modes to provide more control and abilities as your abilities progress:

Beginner Mode

In this flight mode, the aircraft has pitch and bank angle limitations to prevent over-control that can lead to a loss of orientation and crashes. When the control sticks are released, the aircraft immediately returns to level flight on its own enabling you to unwind and delight in just 'steering' the aircraft through the sky. This flight mode likewise makes it simpler to remove and land.

Beginner Mode
 

Intermediate Mode

This flight mode allows more flexibility in pitch and bank, however still prevents considerable over-control and the aircraft does not return to level flight on its own. This allows you to make tighter turns and to climb up and come down much faster as your abilities advance. Likewise, Beginner Mode immediately triggers and returns the aircraft to level flight when it comes down listed below approximately 30 feet above ground level and the control sticks are released.

Intermediate Mode
 

Experienced Mode

In Experienced Mode there are no pitch or bank angle limitations so you have complete control! You can even fly inverted (upside down) and perform aerobatic maneuvers including loops, rolls, stall turns and more. Panic Recovery can be triggered by changing to Beginner Mode and releasing the control sticks.

Experienced Mode
 

 

Panic Recovery

If you lose control of the aircraft in the Intermediate or Experienced flight modes, merely change to Beginner Mode and launch the control sticks. SAFE technology will immediately return the aircraft to level flight.

Panic Recovery

 

SAFE technology
 

Easily Upgrade to SAFE® Plus GPS-Enabled Innovation
With quick and simple setup of the optional Spektrum GPS Module you can include next-level autonomous guidance features that make it even simpler to discover to fly. With SAFE Plus added you get:

AutoLand

Activated by merely holding down a button, the sophisticated AutoLand function puts the aircraft on a supported technique to arrive on its own near the GPS initialization point. You can even supply some directional guidance to avoid challenges or to adjust the technique while letting the system do the rest to execute a safe landing. As your abilities progress and you acquire more self-confidence you can take control of more of the control inputs, ultimately discovering to land with no assistance from the automatic system at all.

AutoLand
 

Holding Pattern

This really helpful SAFE Plus-exclusive feature basically allows you to "stop briefly" the flight by putting the aircraft into a GPS-guided holding pattern. When triggered with the quick press of a button, the aircraft will immediately return to a position above the GPS initialization point and circle till the command is cancelled with another quick press of the button. It's a fantastic method to securely hand the controls off to a pal or to regain visual contact if you ever forget the design.

Holding Pattern
 

Virtual Fence

It's simple to unintentionally let an RC aircraft fly too far away, however with Virtual Fence, stress no more. It develops an unnoticeable boundary the aircraft will not fly past. When the aircraft reaches this boundary, it will immediately turn around and fly back toward the GPS initialization point. Then it will "wag" the wings to let you know when you have control once again.

AutoLand




 

Apprentice STS 1.5m



Specifications

Airfoil Shape: Flat bottom

Approximate Assembly Time: Less than 1 Hour

Approximate Flight Time: 5 minutes

CG (Center of Gravity): 3.125" (79mm) from leading edge of wing determined at the fuselage

Charger: Offered separately

Completion Level: Ready-To-Fly

Control Throw - High (Ailerons): 0.91" (23mm)

Control Throw - High (Elevator): 0.91" (23mm)

Control Throw - High (Rudder): 1.35" (35mm)

Control Throw - Low (Ailerons): 0.71" (18mm)

Control Throw - Low (Elevator): 0.71" (18mm)

Control Throw - Low (Rudder): 1.10" (28mm)

Flying Weight: 251-2000g, 49oz (1390g)

Landing Gear: Prebent wire, tricycle setup

Length: 42.5" (1080mm)

Minimum Required Radio: Spektrum DXe DSMX 2.4GHz (offered separately)

Minimum Speed Control: Smart 30A Brushless (set up)

Motor Size: 840kV

Recommended Motor Battery: Smart 11.1V 3S 3200mAh LiPo w/IC3 port (offered separately)

Servos: 4 requirement, 2 micro

Transmitter Range: Complete

Wing Area: 515 sq in (33.2 sq dm)

Wingspan: 59" (1500mm)

Frequently Bought Together

E-Flite Apprentice STS BNF Basic with SAFE 1.5m
+
Spektrum 3200mah 3S 11.1V Smart LiPo 30C; IC3
This Item: E-Flite Apprentice STS BNF Basic with SAFE 1.5m
$329.99
Spektrum 3200mah 3S 11.1V Smart LiPo 30C; IC3
$56.99

Total Price: $386.98

Add Both To Cart

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