Ultimate Bi-Plane 90 ARF

Looking to put a great-looking biplane through some heavy 3D paces?

The new Ultimate 90 ARF is a well-designed, sturdily constructed airplane that offers terrific 3D performance, thanks in part to its conventional lightweight airframe and upgraded hardware pack.  You won't find a bipe this size anywhere else, so latch on to this unique performer.  Features include lightweight laser-cut all-wood construction, a sharp UltraCote® trim scheme, factory-installed all-wood twin ailerons, elevator and rudder halves in the horizontal and vertical stabs, magnetic canopy hatch and more.


  • Laser-cut lightweight balsa and plywood
  • Mid-size bipe airframe
  • Excellent combination of aerobatic performance and value
  • Covered in genuine Hangar 9® UltraCote®
  • Factory-installed, all-wood twin ailerons
  • IMAC legal


Wingspan: 54.3 in (137.9 cm)
Overall Length: 59.4 in (150.8 cm)
Wing Area: 992 sq in (64 sq dm)
Flying Weight: 9.2–10.6 lb
Engine Size: .91–1.25 2- or 4-stroke
Radio: 6 channels
Servos: 6 digital servos
Trim Scheme Colors: UltraCote Midnight Blue (U885), Cub Yellow (U884), True Red (U866), Black (U874)
Spinner Size: 2.75" (70mm) (not included)

Parts & Accessories

Completion Guides Recommended   (See All)

  • 4 Pin Spinner,2-3/4" Red

  • DS821 Digital Sport High Torque Servo

  • FA-125A AAC with Muffler: AG

  • DX6i 6CH DSMX Radio System with AR610 Receiver

Parts Listing   (See All)

  • UltraCote, True Red

  • UltraCote, Black

  • UltraCote, Cub Yellow

  • UltraCote, Midnight Blue

Optional Accessories   (See All)

  • 91 Special AAC with Muffler: K

  • 100 FA-AAC with Muffler: QQ

  • FA-125A AAC with Muffler: AG




*At participating retailers


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You Will Need

.91–1.25 2- or 4-Stroke Glow Engine
Glow Plug (Engine Specific)
Silicone Fuel Line
6-Channel Radio System with 6 Digital Servos
Spinner (2.75")