Parts/Complete vehicles & kits/ARF / BNF aircraft/E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm) w/AS3X & SAFE
E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm) w/AS3X & SAFE
E-flite

E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm) w/AS3X & SAFE

Part # EFLU152504.6(10)
Where to buy
$169.99
AMain Hobbies
Seen Oct 12, 2026
$169.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

The E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane is back and designed to push the envelope more than ever. This Pitts S-1S comes with updates and upgrades that make it the easiest to fly, most convenient, and most affordable Pitts model yet! The equipped electronics are both 2S and 3S compatible for extreme performance and flight characteristics. This model is easier than ever allowing a wide variety of pilots to enjoy an unmatched biplane experience.

E-flite installed a brushless power system that is 2S and 3S compatible. This upgraded power system setup delivers similar performance to the original when flown with 2S 280–300mAh batteries (with optional adapter), or more speed and unlimited vertical performance when flown with 3S 300mAh batteries. The fuselage is made from EPS foam for a lightweight and durable airframe. All of these features give you a plane that is ready to take to the skies with style.

Features:
  • An Aviat Aircraft Company officially licensed scale replica of the iconic aerobatic design
  • The most affordable, convenient, and easiest to fly Pitts S-1S model yet
  • More powerful 2S and 3S compatible outrunner motor and ESC
  • Compatible with the Spektrum DXS transmitter included with many RTF models
  • Real-time battery voltage telemetry with compatible Spektrum transmitters
  • Spektrum receiver with industry-leading 2.4GHz DSMX technology
  • The unmatched stability and locked-in feel of exclusive AS3X technology
  • Easy to fly with optional-use SAFE Select flight envelope protection
  • Completely factory-assembled and ready to fly right out of the box
  • Factory-finished with a scale trim scheme
Specifications:
Completion Level: Bind-N-Fly Basic
Power Type: Electric
Wingspan: 17.09" (434 mm)
Product Length: 15.47" (393 mm)
Product Weight: 3.7oz (94g) (Without Battery)
Material: EPS
Trim Scheme Colors: Red / White
Motor Type: Brushless - Outrunner
Technology: AS3X and SAFE
Skill Level: Level 2

Includes:
  • (1) E-flite UMX Pitts® S-1S with:
    • (1) Brushless Outrunner Motor (installed)
    • (1) Brushless ESC (installed)
    • (1) Spektrum Receiver (installed)
    • (4) Linear Servos (installed)
  • (1) Product Manual
Needed to Complete:
  • (1) Full-range 5+Channel Spektrum DSMX/DSM2 Compatible Transmitter
  • (1) 2S 7.4V or 3S 11.1V 280–300mAh LiPo with JST-RCY Connector
  • (1) Compatible LiPo Battery Charger
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

Reviews4.6 · 10 reviews

Gary EaVerified owneron E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm)

Such a wonderful plane. Very aerobatic and nimble little plane. I love this plane. I can't wait to order It's bigger brothers, the 850mm and the 1400mm Pitts.

1 found this helpful
Phil ShellabargerVerified owneron E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm)

Great flying little airplane, does well in light wind, Better than expected. Also as a first time customer I was pleased with the service and 3 day delivery!

1 found this helpful
Brandon BlindtVerified owneron E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm)

I highly recommend this plane as it flies great, small so will fit in any car, and very acrobatic. For me I have to hand launch and landings are a little rough as I have grass field.

1 found this helpful
Darian DickersonVerified owneron E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm)

Excellent micro park flier. I was worried it would be hard to manage due to its size and it being a biplane. With the AS3X tech, it's easy to manage. Good trainer for those moving to acrobatics.

1 found this helpful
Anonymouson E-flite UMX Pitts S-1S Bind-N-Fly Electric Airplane (434mm)

Intermediate pilot: Exciting yet very stable and predictable. Very slow stall speed, as safe fields are getting rarer, this gives me the feel of the Ultimate 3D yet flyable on a clear baseball field! Comes without a lipo and I strongly recommend the 3 cell 300 mah 30C. Ground handling exceptional for a timy tail dragger. My first six flights, were just slightly over half power. Love it!

1 found this helpful
What reviewers say

Reviewers largely praise the 434mm UMX Pitts S-1S as a small, nimble and aerobatic electric biplane, with several noting it is manageable with AS3X and suitable as a micro park flier or trainer for pilots moving into acrobatics. Opinions diverge on handling: some call it stable and predictable, while others describe it as hot, not suited to beginners, and needing rudder and careful ground handling. Pilots report it flies well on a 2S and is powerful on a 3S. Landing on grass is described as rough by one reviewer, and one reviewer mentions it is hard to see at distance. One low-rated review cited shipping damage to the wing struts and a delivery to the wrong address, which relates to service rather than flight performance.

  • + Nimble and aerobatic flight
  • + Stable with AS3X engaged
  • + Good micro park flier
  • + Powerful on 3S, docile on 2S
  • − Hot handling, not for beginners
  • − Rough landings on grass
  • − Hard to see at distance
  • − Shipping damage and delivery error
Summary generated from the reviews above.

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