E-Flite UMX Waco BNF Basic RC Plane w/ AS3X & Safe Select - Yellow

Brand: E-Flite | SKU: EFLU53550Y
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The E-flite UMX WACO has received an impressive makeover! Now equipped with optional SAFE Select for enhanced stability and exclusive Spektrum AS3X technology for a smoother, larger-scale flying experience even in gusty conditions, this upgraded model truly soars. The factory-installed brushless power system, featuring an upgraded 2S- and 3S-compatible out-runner motor, allows for either original model-like performance (with 2S 280mAh batteries) or amped-up speed and unlimited vertical performance (with 3S 300mAh batteries). Pilots will also appreciate the real-time flight battery voltage telemetry provided by the control unit's ESC and Spektrum receiver to compatible Spektrum AirWare transmitters.

Constructed with a lightweight yet durable advanced EPS material airframe, the UMX WACO comes in your choice of fully-painted yellow or lighter-weight unpainted white base versions. This Bind-N-Fly Basic model arrives 100% factory-assembled, ready to bind to your 5+ channel DSMX/DSM2 transmitter for nearly instant flying gratification. The ultra-micro size and lightly loaded biplane design make it perfect for indoor flying in gymnasiums or similar spacious areas, as well as outdoor adventures in yards, parks, sports fields, and beyond.


Key Features

Bind-N-Fly Completion Level Advantage

Already own a Spektrum transmitter? Bind-N-Fly (BNF) aircraft make getting into the air quickly and with the best control experience possible easier than ever. They come out of the box with the power system, servos, and a Spektrum 2.4GHz receiver installed so all you need to do is bind the receiver to a compatible transmitter, finish any final assembly, and fly!

Exclusive Technologies

This UMX WACO is equipped with exclusive Spektrum™ AS3X® and SAFE® Select technologies. AS3X works behind the scenes to smooth out the effects of wind and turbulence to deliver a locked-in feel that makes it seem like you're flying a much larger airplane. Optional-use SAFE Select offers pitch and bank angle limits along with automatic self-levelling that can be turned on and off at the flip of a switch to make this the easiest-to-fly WACO yet!

Telemetry Capable

The UMX WACO is equipped with a control unit that includes an ESC and Spektrum receiver that provides real-time flight battery voltage telemetry to compatible Spektrum AirWare™ equipped transmitters (including the DX6e and 8e, DX6 G2/3 and 8 G2, the DX9, NX6 to 20, iX12 to 20 and others) while you fly.

Higher Performance

The factory-installed brushless power system features a 2S and 3S-compatible out-runner motor. This upgraded power system setup delivers similar performance to the original when flown with 2S 280—300mAh batteries (a suitable JST-RCY to JST-PH adapter may be required), or more speed and unlimited vertical performance when flown with 3S 300mAh batteries.

Scale Finishes

The factory-finished airframe features a variety of scale details including simulated flying wires and a pilot figure with a scarf. Plus, it’s now available in two trim scheme colour options including a fully-painted yellow and a lighter-weight unpainted white base version.

Lightweight Design

Construction with advanced EPS material delivers a lightweight yet durable airframe. And in the unfortunate event you damage any airframe parts or components and can't repair them, a full line of replacement/spare parts is readily available.

Fully Factory-Assembled

The UMX WACO arrives 100% factory-assembled and ready to fly right out of the box! It’s equipped with industry-leading Spektrum™ 2.4GHz technology that binds to your 5+ channel DSMX®/DSM2® equipped transmitter so you can be flying within minutes of opening the box.

Skill Level 2 — Some Experience Required

Skill Level 2 aircraft, like this one, are suitable for RC pilots who already have some experience and the skills to assemble and/or set up and fly similar class models. And although this is the easiest-to-fly WACO model yet, it’s not a suitable first-ever RC aircraft for new pilots or "next step after a trainer" model for low-time RC pilots. You should have the experience and skills necessary to successfully fly higher performance ultra-micro models like the various UMX Timber models, or larger models like the E-flite T-28 Trojan 1.1m, the Commander mPd 1.4m, Timber 1.5m models, or other similar class models before attempting to fly the UMX WACO.

  • Officially licensed replica of the timeless YMF-5 biplane design
  • Offers the most budget-friendly, user-friendly, and capable WACO flying experience
  • Enhanced power with a 2S and 3S-compatible out-runner motor and ESC
  • Pairs seamlessly with the Spektrum DXS transmitter found in many RTF models
  • Real-time battery voltage telemetry with compatible Spektrum transmitters
  • Features a Spektrum receiver with cutting-edge 2.4GHz DSMX technology
  • Unparalleled stability and precision with exclusive AS3X technology
  • Simplified flying with optional SAFE Select flight envelope protection
  • Comes fully assembled and ready to take to the skies right out of the box
  • Factory-finished in a choice of two scale trim schemes
  • Includes realistic details like simulated flying wires and a pilot figure with a scarf
  • Genuine E-flite product

  • Wingspan: 550 mm (21.65")
  • Product Length: 418 mm (16.45")
  • Product Weight: 119g (4.2oz)
  • Motor: Brushless
  • Material: EPS
  • Completion Level: Bind-N-Fly Basic
  • Propulsion: Propeller
  • Propeller Size: 5.75 x 2.50
Included items
Description QTY
E-flite UMX WACO 550mm 1
Spektrum Linear Servos 4
Spektrum Brushless Out-runner Motor 1
Spektrum Control Unit 1
Brushless ESC 1
UMX WACO 550mm Product Manual 1
Required items (not included)
  • Full-range 5+ channel Spektrum™ DSMX®/DSM2® compatible transmitter
  • 2S 7.4V or 3S 11.1V 280—300mAh LiPo with JST-RCY Connector (or JST-PH connector plus a suitable JST-RCY to JST-PH adapter sold separately)
  • Compatible LiPo Charger
Assembly Type: Bind N Fly
Battery Connector: JST
Length (mm): 418
Max LiPo Power: 3S (11.1v)
Power Source: Brushless
Wingspan (mm): 550
E-Flite UMX Waco BNF Basic RC Plane w/ AS3X & Safe Select - Yellow
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