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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 9, 2025 05:35:17 AM

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 upon among the very best platforms ever created for discovering to fly radio managed (RC) planes—the legendary Apprentice S 15e. That design's large size made it a perfect option for better visibility and the ability to manage more wind while discovering to fly at an RC club flying field, and its inherently stable style plus exclusive SAFE® (Sensing Unit Assisted Flight Envelope) technology made it simple to fly effectively—especially with the aid of an instructor. The Apprentice STS 1.5m is a modern-day advancement of the world's favorite club trainer that includes all the very same fantastic functions while including Smart parts including an ESC, battery and charger (battery and charger sold independently for the BNF® Fundamental variation), together with the alternative to include SAFE Plus® GPS-enabled technology and the all-new Landing Assist Sensor (LAS), to make discovering to fly much easier—and more fun—than ever before!





Features

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

Perfect for first-time pilots, experienced pilots that teach others to fly and club training programs

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

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

Unique SAFE® technology from Horizon Hobby makes it simple to find out to fly

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

Optional and simple to install Landing Assist Sensor (LAS) offered 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 equipment with steerable nose wheel

Quick and easy assembly—no glue or special tools required

Resilient EPO construction that's tough yet lightweight

Optional drifts offered for flying from water

Practice flying this aircraft 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 created for discovering to fly radio managed (RC) planes, its large size and 1.5 meter (59.0 inch) wingspan offers better visibility and the ability to manage more wind while discovering to fly at an RC club flying field. Its inherently stable style plus SAFE® (Sensing Unit Assisted Flight Envelope) technology including Newbie, Intermediate and Knowledgeable flight modes makes it simple to fly effectively, especially with the aid of an instructor. The addition of exclusive Spektrum™ Smart parts including a lithium polymer (LiPo) battery and charger make it easier to charge correctly and securely (battery and charger sold independently for the BNF® Fundamental variation). And most importantly it now has the alternative to upgrade to SAFE Plus GPS-enabled technology that offers functions such as AutoLand and Virtual Fence, plus the alternative to install the all-new Landing Assist Sensor (LAS) that instantly "flares" for smoother landings, to make discovering to fly—and to land securely—much easier than ever!
The Ready-To-Fly (RTF) variation includes everything required to fly in one box, and is the ideal 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 aircraft after you find out to fly the Apprentice STS, to the THREE 3200mAh Smart LiPo battery that delivers long flight times and the convenient S120 USB-C Smart charger that can be utilized with a range of USB source of power, there's nothing additional you need to buy or provide! A BNF Fundamental variation is also offered for skilled pilots and clubs that wish to utilize their favorite Spektrum transmitter together with batteries and battery chargers they may already own. And for both versions, the powerful 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 puts together quickly and quickly without the requirement for glue or special tools.
And the fun does not stop after you find out how to fly! In the Knowledgeable Mode, the Apprentice STS 1.5m is capable of carrying out aerobatic maneuvers including loops, rolls, inverted (upside down) flight and more. You can even install the optional drifts to take off from and arrive on water.
The Apprentice STS 1.5m is the smartest and finest club trainer ever, and that makes it ideal for first-time pilots, experienced pilots that teach others to fly, and for club training programs alike. That's why it's the Official Fitness Instructor of the Academy of Design Aeronautics (AMA) and the very best option for brand-new pilots looking for a larger trainer that makes it much easier to progress into advanced RC airplanes!





Needed to Complete

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

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

THREE 11.1V LiPo Compatible Battery Charger

What remains 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) Product Handbook







Optional Landing Assist Sensing Unit for Easier Landings

Optional Landing Assist Sensor for Smoother Landings
The all-new Spektrum Landing Assist Sensing Unit (LAS) is simple to install and offers automated "flare" control to help inexperienced pilots "grease" landings by decreasing 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 a special Smart ESC that can provide a range of real-time power system related telemetry data including motor RPM, existing, battery voltage and more to suitable Spektrum AirWare™ equipped transmitters (including the DX6e and 8e, DX6 and 8 G2, the DX9, iX12 and others) while you fly.
 





Resilient Design

Durable Design
Building and construction with advanced EPO material delivers a lightweight yet resilient airframe that's tough enough to manage daily flying penalty without getting bent out of shape. The wing attaches to the fuselage with rubber bands so it can twist or "pop" free in the event of a difficult landing or crash to decrease damage. And in the unfortunate event you damage any airframe parts or parts and can't repair them, a full line of replacement parts is easily offered.
 

Easy Assembly

Easy Assembly
The Apprentice STS 1.5m gets here mainly factory-assembled with the power system, flight controller, receiver and servos set up. All you need to do is finish some fast and simple final assembly, without making use of glue or special tools, and you'll be prepared 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 offers enhanced ground dealing with for much easier remove and landings on a wide range of surface areas from paved runways to grass 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 few minutes and all the required hardware is consisted of with the aircraft and float set.
 





SAFE technology
 

Discover to Fly Effectively with SAFE® Innovation
If this is your first RC aircraft, Horizon Hobby-exclusive SAFE (Sensing Unit Assisted Flight Envelope) technology avoids over-control and crashing while also providing multiple flight modes to provide more control and abilities as your skills progress:

Newbie Mode

In this flight mode, the aircraft has pitch and bank angle limitations to avoid over-control that can lead to a loss of orientation and crashes. When the control sticks are launched, the aircraft instantly goes back to level flight by itself permitting you to relax and enjoy just 'guiding' the aircraft 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 flexibility in pitch and bank, but still avoids significant over-control and the aircraft does not return to level flight by itself. This allows you to make tighter turns and to climb up and come down faster as your skills advance. Also, Newbie Mode instantly triggers and returns the aircraft to level flight when it comes down below around 30 feet above ground level and the control sticks are launched.

Intermediate Mode
 

Knowledgeable Mode

In Knowledgeable Mode there are no pitch or bank angle limitations so you have total control! You can even fly inverted (upside down) and carry out aerobatic maneuvers including loops, rolls, stall turns and more. Panic Recovery can be activated by changing to Newbie Mode and launching the control sticks.

Experienced Mode
 

 

Panic Recovery

If you lose control of the aircraft in the Intermediate or Knowledgeable flight modes, merely switch to Newbie Mode and release the control sticks. SAFE technology will instantly return the aircraft to level flight.

Panic Recovery

 

SAFE technology
 

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

AutoLand

Activated by merely holding down a button, the advanced AutoLand function puts the aircraft on a supported approach to arrive on its own near the GPS initialization point. You can even provide some directional guidance to prevent barriers or to change the approach while letting the system do the rest to perform a safe landing. As your skills progress and you get more self-confidence you can take over more of the control inputs, eventually discovering to land with no help from the automated system at all.

AutoLand
 

Holding Pattern

This very useful SAFE Plus-exclusive function basically allows you to "stop briefly" the flight by putting the aircraft into a GPS-guided holding pattern. When activated with the fast press of a button, the aircraft will instantly return to a position above the GPS initialization point and circle up until the command is cancelled with another fast press of the button. It's a fantastic method to securely hand the controls off to a buddy or to restore visual contact if you ever forget the design.

Holding Pattern
 

Virtual Fence

It's simple to mistakenly let an RC aircraft fly too far away, but with Virtual Fence, worry no more. It develops an unnoticeable border the aircraft won't fly past. When the aircraft reaches this border, it will instantly reverse and fly back towards the GPS initialization point. Then it will "wag" the wings to let you understand 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 Mass): 3.125" (79mm) from leading edge of wing measured at the fuselage

Charger: Offered independently

Completion Level: Ready-To-Fly

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

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

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

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

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

Control Toss - 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 (set up)

Motor Size: 840kV

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

Servos: Four requirement, two micro

Transmitter Variety: 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
$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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