E-Flite UMX Pitts S-1S Airplane BNF Basic EFLU5250 View larger

E-Flite UMX Pitts S-1S Airplane BNF Basic EFLU5250


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This is the E-Flite UMX Pitts S-1S BNF Basic. The E-flite UMX Pitts S-1S airplane makes it possible to enjoy the aerobatic icon of the century in your own back yard. Even more remarkable is how predictable this beautiful bipe handles. That’s because its AS3X system has been custom-tuned to deliver stability when you need it and agility when you want it. The result is a scale aerobatic flight experience similar to that of an expertly tuned giant-scale model. And the best news of all is that you can enjoy it right away because there’s no assembly required.

The UMX Pitts S-1S is designed so that the distinctive scale character comes through without sacrificing the performance benefits of a light wing loading. Not only is detail like rib and stringer detents obvious, even the landing gear and tail wheel represent the celebrated features of an aerobatic platform many full-scale pilots still use to this day for aerobatic competition.

By developing a unique combination of multi-axis sensors and exclusive software, the AS3X system in the UMX™ Pitts® S-1S ultra-micro biplane works behind the scenes while flying to provide instantaneous attitude corrections when turbulence, torque and tip stalls haphazardly interrupt the way you want to fly. The obvious benefit is an airplane that flies incredibly smooth but also delivers control that feels natural and utterly accurate. The result is an experience similar to that of flying a much larger, well-tuned scale model that’s remarkably convenient to fly. 

You Will Need:

  • 4+ channel DSM2- or DSMX-compatible transmitter
  • 7.4V 2S 150-200mAh LiPo battery
  • 2S LiPo battery charger


Fact sheet

Vehicle Type Airplane
Power Type Electric Power
Build Type Bind-N-Fly
Skill Level Skill Level 3
International Shipping Restriction International Shipping Restriction
Free Shipping Free Shipping
MarketPlace No

Tech Specs

Wingspan: 17.1 in (434mm)
Overall Length: 15.5 in (393mm)
Wing Area: 100 sq. in. (645 sq. cm.)
Flying Weight: 3.2 oz (90 g)
Motor Size: 180-size, 3000Kv brushless outrunner (installed)
Radio: 4+ channel DSM2/DSMX transmitter required
Prop Size: 5.75 x 2.25
Recommended Battery: 7.4V 2S 200mAh 25C LiPo required
Flaps: No
Retracts: No
Approx. Flying Duration: 6-8 minutes
Minimum Age Recommendation: 14 years
Experience Level: Intermediate
Recommended Environment: Indoor/Outdoor
Is Assembly Required: No


  • Completely built and flight ready
  • AS3X system provides great handling with amazing stability
  • Carbon fiber reinforced, lightweight foam construction
  • Steerable tail wheel for easy maneuvering on the ground
  • Four-channel, scale aerobatic maneuverability and control
  • Easy-access, forward battery hatch with magnetic attachment

Reviews (1)

L John


umx Pitt's

Its a great plane, pleasure to fly.

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Q&A (1)

From Felix | 2015-10-23 04:05:14

Does it come with a controller?


No, you will need to buy one separately. If you're needing a radio, I would recommend going with the RTF, (ready to fly) that will come with a radio.

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