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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 May 30, 2025 02:51:51 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 very best platforms ever designed for finding out to fly radio managed (RC) airplanes—the legendary Apprentice S 15e. That design's plus size made it an ideal option for better presence and the capability to manage more wind while finding out to fly at an RC club flying field, and its naturally stable style plus special SAFE® (Sensing Unit Assisted Flight Envelope) innovation made it easy to fly successfully—specifically with the assistance of a trainer. The Apprentice STS 1.5m is a modern-day advancement of the world's favorite club trainer that consists of all the same great functions while adding Smart elements consisting of an ESC, battery and battery charger (battery and battery charger sold independently for the BNF® Fundamental variation), together with the alternative to include SAFE Plus® GPS-enabled innovation and the all-new Landing Assist Sensing unit (LAS), to make finding out to fly much easier—and more enjoyable—than ever before!





Features

Based on among the finest platforms ever designed for finding out 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

Official Trainer of the Academy of Design Aeronautics (AMA) and numerous clubs worldwide

The perfect option for new pilots when finding out to fly with a trainer at an RC flying field

Unique SAFE® innovation from Horizon Hobby makes it easy to discover to fly

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

Optional and easy to set up Landing Assist Sensing unit (LAS) offered for smoother landings

Factory-installed servos, Spektrum flight controller and serial receiver

Powerful and efficient brushless power system consisting of a Smart ESC

Wide-stance tricycle landing equipment with steerable nose wheel

Quick and easy assembly—no glue or special tools needed

Resilient EPO building and construction that's tough yet lightweight

Optional drifts offered for flying from water

Practice flying this airplane in the RealFlight® simulator





Overview
E-flite® took the world's favorite club trainer and made it SMARTER with the Apprentice® STS 1.5m. Based on among the very best platforms ever designed for finding out to fly radio managed (RC) airplanes, its plus size and 1.5 meter (59.0 inch) wingspan uses better presence and the capability to manage more wind while finding out to fly at an RC club flying field. Its naturally stable style plus SAFE® (Sensing Unit Assisted Flight Envelope) innovation featuring Novice, Intermediate and Skilled flight modes makes it easy to fly successfully, specifically with the assistance of a trainer. The addition of special Spektrum™ Smart elements consisting of a lithium polymer (LiPo) battery and battery charger make it more convenient to charge effectively and securely (battery and battery charger sold independently for the BNF® Fundamental variation). And best of all it now has the alternative to update to SAFE Plus GPS-enabled innovation that uses functions such as AutoLand and Virtual Fence, plus the alternative to set up the all-new Landing Assist Sensing unit (LAS) that immediately "flares" for smoother landings, to make finding out to fly—and to land securely—much easier than ever!
The Ready-To-Fly (RTF) variation consists of everything needed to fly in one box, and is the perfect 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 Fundamental airplane after you discover to fly the Apprentice STS, to the THREE 3200mAh Smart LiPo battery that provides long flight times and the convenient S120 USB-C Smart battery charger that can be used with a variety of USB power sources, there's nothing additional you need to purchase or provide! A BNF Fundamental variation is also offered for knowledgeable pilots and clubs that wish to utilize their favorite Spektrum transmitter together with batteries and battery chargers they might currently own. And for both variations, the effective and efficient brushless power system consisting of a Smart ESC, plus the flight controller, receiver and servos, are all factory-installed in the long lasting EPO airframe that assembles quickly and easily without the need for glue or special tools.
And the enjoyable does not stop after you discover how to fly! In the Skilled Mode, the Apprentice STS 1.5m is capable of performing aerobatic maneuvers consisting of loops, rolls, inverted (upside down) flight and more. You can even set up the optional drifts to take off from and arrive at water.
The Apprentice STS 1.5m is the smartest and finest club trainer ever, and that makes it perfect for novice pilots, experienced pilots that teach others to fly, and for club training programs alike. That's why it's the Official Trainer of the Academy of Design Aeronautics (AMA) and the best option for new pilots looking for a larger trainer that makes it much easier to advance into advanced RC airplanes!





Needed to Complete

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

3200mAh THREE 11.1V LiPo Battery with EC3™ or IC3™ Adapter

THREE 11.1V LiPo Compatible Charger

What remains in the Box?

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

(1) Brushless Outrunner Motor (installed)

(1) Smart 30A Brushless ESC (installed)

(2) 13-gram Digital and (4) 37-gram Servos (installed)

(1) Spektrum 3230 Flight Controller (installed)

(1) Spektrum 4650 Serial Receiver (installed)

(1) Product Handbook







Optional Landing Assist Sensing Unit for Smoother Landings

Optional Landing Assist Sensor for Smoother Landings
The all-new Spektrum Landing Assist Sensing Unit (LAS) is easy to set up and offers automated "flare" control to assist inexperienced pilots "grease" landings by lessening or totally getting rid of bouncing (works finest when flying over/landing in yard).
 

Smart Electronic Speed Control (ESC)

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





Resilient Style

Durable Design
Construction with advanced EPO material provides a light-weight yet long lasting airframe that's tough enough to manage daily flying penalty without getting bent out of shape. The wing attaches to the fuselage with elastic band so it can twist or "pop" totally free in case of a tough landing or crash to reduce damage. And in the regrettable event you damage any airframe parts or elements and can't repair them, a complete line of replacement parts is easily offered.
 

Easy Assembly

Easy Assembly
The Apprentice STS 1.5m shows up mainly factory-assembled with the power system, flight controller, receiver and servos installed. All you need to do is end up some fast and easy last assembly, without the use of glue or special tools, and you'll be ready to fly in less time than it takes to charge a battery!
 





Capable Equipment

Capable Gear
The wide-stance tricycle landing equipment with a steerable nose wheel uses improved ground dealing with for much easier take offs and landings on a wide variety of surface areas from paved runways to yard and even dirt.
 

Optional Floats

Optional Floats
Turn the Apprentice STS 1.5m into a float airplane with the optional float set (EFLA550; sold independently). Installation takes just a couple of minutes and all the needed hardware is consisted of with the plane and float set.
 





SAFE technology
 

Discover to Fly Successfully with SAFE® Innovation
If this is your first RC plane, Horizon Hobby-exclusive SAFE (Sensing Unit Assisted Flight Envelope) innovation prevents over-control and crashing while also offering numerous flight modes to provide more control and abilities as your skills progress:

Novice Mode

In this flight mode, the plane has pitch and bank angle limits to prevent over-control that can lead to a loss of orientation and crashes. When the control sticks are launched, the plane immediately goes back to level flight on its own allowing you to relax and take pleasure in just 'steering' the plane through the sky. This flight mode also makes it much easier to take off and land.

Beginner Mode
 

Intermediate Mode

This flight mode allows more freedom in pitch and bank, however still prevents substantial over-control and the plane does not return to level flight on its own. This allows you to make tighter turns and to climb and come down much faster as your skills advance. Likewise, Novice Mode immediately triggers and returns the plane to level flight when it comes down below around 30 feet above ground level and the control sticks are launched.

Intermediate Mode
 

Skilled Mode

In Skilled Mode there are no pitch or bank angle limits so you have total control! You can even fly inverted (upside down) and carry out aerobatic maneuvers consisting of loops, rolls, stall turns and more. Panic Recovery can be triggered by switching to Novice Mode and releasing the control sticks.

Experienced Mode
 

 

Panic Recovery

If you lose control of the plane in the Intermediate or Skilled flight modes, merely switch to Novice Mode and launch the control sticks. SAFE innovation will immediately return the plane to level flight.

Panic Recovery

 

SAFE technology
 

Easily Upgrade to SAFE® Plus GPS-Enabled Innovation
With fast and easy installation of the optional Spektrum GPS Module you can include next-level autonomous guidance functions that make it even much easier to discover to fly. With SAFE Plus included you get:

AutoLand

Activated by merely holding down a button, the advanced AutoLand function puts the plane on a supported approach to arrive at its own near the GPS initialization point. You can even provide some directional guidance to avoid barriers or to adjust the approach while letting the system do the rest to carry out a safe landing. As your skills progress and you acquire more confidence you can take over more of the control inputs, eventually finding out to land without any help from the automated system at all.

AutoLand
 

Holding Pattern

This extremely useful SAFE Plus-exclusive feature basically allows you to "pause" the flight by putting the plane into a GPS-guided holding pattern. When triggered with the fast press of a button, the plane will immediately return to a position above the GPS initialization point and circle till the command is cancelled with another fast press of the button. It's a fantastic way to securely hand the controls off to a friend or to restore visual contact if you ever lose sight of the design.

Holding Pattern
 

Virtual Fence

It's easy to unintentionally let an RC plane fly too far, however with Virtual Fence, fret no more. It creates an invisible boundary the plane won't fly past. When the plane 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



Requirements

Airfoil Forming: 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

Battery charger: Offered independently

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 Equipment: Prebent wire, tricycle setup

Length: 42.5" (1080mm)

Minimum Required Radio: Spektrum DXe DSMX 2.4GHz (sold independently)

Minimum Speed Control: Smart 30A Brushless (installed)

Motor Size: 840kV

Recommended Motor Battery: Smart 11.1V THREE 3200mAh LiPo w/IC3 connector (sold independently)

Servos: Four standard, 2 micro

Transmitter Range: Complete

Wing Location: 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
$249.99
Spektrum 3200mah 3S 11.1V Smart LiPo 30C; IC3
$56.99

Total Price: $306.98

Add Both To Cart

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