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Apprentice STS 1.5m BNF Basic Smart Trainer with SAFE

Item No.
E-flite - EFL3750
$299.99
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11.1V 3200mAh 3S 30C Smart LiPo Battery: IC3
EFL3750
11.1V 3200mAh 3S 30C Smart LiPo Battery: IC3
SPMX32003S30
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EFL3750
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S120 USB-C Smart Charger 1x20W
EFL3750
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S2100 G2 2x100W AC Smart Charger
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Smart Powerstage Air Bundle: 4000mAh 3S G2 LiPo Battery / S120 Charger
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iX20 20-Channel DSMX Transmitter Only
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iX20 20-Channel DSMX Transmitter Only
SPMR20100
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DX6e 6-Channel DSMX Transmitter Only
EFL3750
DX6e 6-Channel DSMX Transmitter Only
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RealFlight Evolution RC Flight Simulator with InterLink DX Controller
EFL3750
RealFlight Evolution RC Flight Simulator with InterLink DX Controller
RFL2000
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Introduction

The E-flite® Apprentice® STS 1.5m is based on one of the very best platforms ever designed for learning to fly radio controlled (RC) airplanes—the legendary Apprentice S 15e. That model's large size made it an ideal choice for better visibility and the ability to handle more wind while learning to fly at an RC club flying field, and its inherently stable design plus exclusive SAFE® (Sensor Assisted Flight Envelope) technology made it easy 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 trainer that includes all the same great features while adding Smart components including an ESC, battery and charger (battery and charger sold separately for the BNF® Basic version), along with the option to add SAFE Plus® GPS-enabled technology and the all-new Landing Assist Sensor (LAS), to make learning to fly easier—and more fun—than ever before!

Overview

E-flite® took the world's favorite club trainer and made it SMARTER with the Apprentice® STS 1.5m. Based on one of the very best platforms ever designed for learning to fly radio controlled (RC) airplanes, its large size and 1.5 meter (59.0 inch) wingspan offers better visibility and the ability to handle more wind while learning to fly at an RC club flying field. Its inherently stable design plus SAFE® (Sensor Assisted Flight Envelope) technology featuring Beginner, Intermediate and Experienced flight modes makes it easy to fly successfully, especially with the help of an instructor. The addition of exclusive Spektrum™ Smart components including a lithium polymer (LiPo) battery and charger make it more convenient to charge properly and safely (battery and charger sold separately for the BNF® Basic version). And best of all it now has the option to upgrade to SAFE Plus GPS-enabled technology that offers features such as AutoLand and Virtual Fence, plus the option to install the all-new Landing Assist Sensor (LAS) that automatically "flares" for smoother landings, to make learning to fly—and to land safely—easier than ever!

The BNF Basic (Bind-N-Fly Basic) version is for experienced pilots and clubs that want to use their favorite Spektrum transmitter along with batteries and chargers they may already own. The powerful and efficient brushless power system including a Smart ESC, plus the flight controller, receiver and servos, are all factory-installed in the durable EPO airframe that assembles quickly and easily without the need for glue or special tools. There is also a Ready-To-Fly Basic (RTF Basic) version available that includes everything other than battery and charger and is the perfect choice if you're a new RC pilot. The Spektrum DXe 2.4GHz transmitter included with the Ready-To-Fly Basic (RTF Basic) version can be used with other Bind-N-Fly® (BNF) and BNF Basic (Bind-N-Fly Basic) aircraft after you learn to fly the Apprentice STS. .

And the fun doesn't stop after you learn how to fly! In the Experienced Mode, the Apprentice STS 1.5m is capable of performing aerobatic maneuvers including loops, rolls, inverted (upside down) flight and more. You can even install the optional floats to take off from and land on water.

The Apprentice STS 1.5m is the smartest and best club trainer ever, and that makes it perfect for first-time 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 Model Aeronautics (AMA) and the best choice for new pilots seeking a larger trainer that makes it easier to progress into more advanced RC airplanes!

Apprentice STS 1.5m
SAFE technology

Learn to Fly Successfully with SAFE® Technology

If this is your first RC airplane, Horizon Hobby-exclusive SAFE (Sensor Assisted Flight Envelope) technology prevents over-control and crashing while also offering multiple flight modes to deliver more control and capabilities as your skills progress:

Beginner Mode

In this flight mode, the airplane has pitch and bank angle limits to prevent over-control that can result in a loss of orientation and crashes. When the control sticks are released, the airplane automatically returns to level flight on its own allowing you to relax and enjoy just 'steering' the airplane through the sky. This flight mode also makes it easier to take off and land.

Beginner Mode

Intermediate Mode

This flight mode allows more freedom in pitch and bank, but still prevents significant over-control and the airplane does not return to level flight on its own. This allows you to make tighter turns and to climb and descend faster as your skills advance. Also, Beginner Mode automatically activates and returns the airplane to level flight when it descends 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 limits 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 activated by switching to Beginner Mode and releasing the control sticks.

Experienced Mode

Panic Recovery

If you lose control of the airplane in the Intermediate or Experienced flight modes, simply switch to Beginner Mode and release the control sticks. SAFE technology will automatically return the airplane to level flight.

Panic Recovery
SAFE technology

Easily Upgrade to SAFE® Plus GPS-Enabled Technology

With quick and easy installation of the optional Spektrum GPS Module you can add next-level autonomous guidance features that make it even easier to learn to fly. With SAFE Plus added you get:

AutoLand

Activated by simply holding down a button, the advanced AutoLand function puts the airplane on a stabilized approach to land on its own near the GPS initialization point. You can even provide some directional guidance to avoid obstacles or to adjust the approach while letting the system do the rest to execute a safe landing. As your skills progress and you gain more confidence you can take over more of the control inputs, eventually learning to land without any assistance from the automated system at all.

AutoLand

Holding Pattern

This very helpful SAFE Plus-exclusive feature essentially allows you to "pause" the flight by putting the airplane into a GPS-guided holding pattern. When activated with the quick press of a button, the airplane will automatically return to a position above the GPS initialization point and circle until the command is cancelled with another quick press of the button. It's a great way to safely hand the controls off to a friend or to regain visual contact if you ever lose sight of the model.

Holding Pattern

Virtual Fence

It's easy to accidentally let an RC airplane fly too far away, but with Virtual Fence, worry no more. It creates an invisible boundary the airplane won't fly past. When the airplane reaches this boundary, it will automatically turn around and fly back toward the GPS initialization point. Then it will "wag" the wings to let you know when you have control again.

AutoLand
Apprentice STS 1.5m
  • Perfect for first-time pilots, experienced pilots that teach others to fly and club training programs
  • The ideal choice for new pilots when learning to fly with an instructor at an RC flying field
  • Exclusive SAFE® technology from Horizon Hobby makes it easy to learn to fly
  • Powerful and efficient brushless power system including a Smart ESC
  • Durable EPO construction that's tough yet lightweight

Features

  • Based on one of the best platforms ever designed for learning to fly radio controlled (RC) airplanes—the Apprentice S 15e
  • Perfect for first-time pilots, experienced pilots that teach others to fly and club training programs
  • Official Trainer of the Academy of Model Aeronautics (AMA) and many clubs worldwide
  • The ideal choice for new pilots when learning to fly with an instructor at an RC flying field
  • Exclusive SAFE® technology from Horizon Hobby makes it easy to learn to fly
  • Easily upgrade to SAFE Plus GPS-enabled technology to add AutoLand, Virtual Fence and Holding Pattern features
  • Optional and easy to install Landing Assist Sensor (LAS) available for smoother landings
  • Factory-installed servos, Spektrum flight controller and serial receiver
  • Powerful and efficient brushless power system including a Smart ESC
  • Wide-stance tricycle landing gear with steerable nose wheel
  • Quick and easy assembly—no glue or special tools required
  • Durable EPO construction that's tough yet lightweight
  • Optional floats available for flying from water
  • Practice flying this aircraft in the RealFlight® simulator
Optional Landing Assist Sensor for Smoother Landings
Optional Landing Assist Sensor for Smoother Landings

The all-new Spektrum Landing Assist Sensor (LAS) is easy to install and provides automatic "flare" control to help inexperienced pilots "grease" landings by minimizing or completely eliminating bouncing (works over many/most surfaces and provides optimum performance when flying over/landing in grass).

 

Smart Electronic Speed Control (ESC)
Smart Electronic Speed Control (ESC)

The Apprentice STS 1.5m is equipped with an exclusive Smart ESC that can provide a variety of real-time power system related telemetry data including motor RPM, current, 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

Construction with advanced EPO material delivers a lightweight yet durable airframe that's tough enough to handle everyday flying punishment 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 hard landing or crash to minimize damage. And in the unfortunate event you damage any airframe parts or components and can't repair them, a full line of replacement parts is readily available.

 

Easy Assembly
Easy Assembly

The Apprentice STS 1.5m arrives mostly factory-assembled with the power system, flight controller, receiver and servos installed. All you need to do is finish some quick and easy final 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 Gear
Capable Gear

The wide-stance tricycle landing gear with a steerable nose wheel offers improved ground handling for easier take offs and landings on a wide variety of surfaces from paved runways to grass and even dirt.

 

Optional Floats
Optional Floats

Turn the Apprentice STS 1.5m into a float plane with the optional float set (EFLA550; sold separately). Installation takes just a few minutes and all the necessary hardware is included with the airplane and float set.

 

Product Specs

Airfoil Shape
Flat bottom
Approximate Assembly Time
Less than 1 Hour
Approximate Flight Time
5 minutes
Power Type
Electric
Skill Level
Level 1
Wingspan
59" (1500mm)
Minimum Required Radio
Spektrum DXe DSMX 2.4GHz (sold separately)
Technology
Smart
Motor Size
840kV
Product Length
42.5" (1080mm)
LiPo Compatibility
3S
CG (Center of Gravity)
3.125" (79mm) from leading edge of wing measured at the fuselage
Completion Level
Bind-N-Fly Basic
Recommended Motor Battery
Smart 11.1V 3S 3200mAh LiPo w/IC3 connector (sold separately)
Landing Gear
Prebent wire, tricycle configuration
Speed Control
Included
Wing Area
515 sq in (33.2 sq dm)
Charger
Sold Separately
Receiver
Included
Transmitter Range
Full

Compatibility

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Video Overview

Flight Talk

FAQ

The remote receiver in the Apprentice STS has a bind button, no plug is required. See p.10 of the instruction manual. For airplanes that do require a plug, any bind plug of the correct size will work. They are not specific to the airplane.

A3230 is the Flight Controller. The receiver is a separate item (SPM4650C) and contains the bind button.

Yes, the DuBro skis work well on this model.

4S batteries are not recommended.

Perhaps you have an Apprentice S, not STS? Bind plug SPM6803 or RER05572 will both work. Any servo plug with a jumper between the outer pins will also work. As will a section of servo lead with the outer wires joined together and the center wire removed.

Product Details

icon-box
In The Box
  • (1) E-flite Apprentice STS 1.5m
  • (1) Brushless Outrunner Motor (installed)
  • (1) Smart 30A Brushless ESC (installed)
  • (2) 13-gram Digital and (2) 37-gram Servos (installed)
  • (1) Spektrum 3230 Flight Controller (installed)
  • (1) Spektrum 4650 Serial Receiver (installed)
  • (1) Product Manual
icon-how-to
Needed to Complete
  • (1) Full-range 6+ Channel Spektrum™ DSMX®/DSM2® Compatible 2.4GHz Transmitter
  • (1) 3200mAh 3S 11.1V LiPo Battery with EC3™ or IC3™ Connector
  • (1) 3S 11.1V LiPo Compatible Charger
Apprentice STS 1.5m BNF Basic Smart Trainer with SAFE