Utva Trojka

The Utva C-3 Trojka (Trey) was a light aircraft built in Yugoslavia shortly after World War II as a result of a government competition to develop a new, domestically built aircraft with which to equip the country's flying clubs. The winning design was submitted by Boris Cijan and Djordje T. Petković and the prototype was built by Ikarus as the Ikarus 251. Series production took place at Utva as the C-3. It was a conventional, low-wing cantilever monoplane with fixed tailwheel undercarriage. The pilot and instructor sat side by side under an expansive canopy. The type remained in production until the mid-1950s with later examples powered by the more powerful Walter Mikron 4.

C-3 Trojka
A Utva Trojka on display at the Technical Museum in Zagreb
Role Civil trainer
National origin Yugoslavia
Manufacturer Ikarus, Utva
First flight 1946
Number built ca.80

Operators
 Yugoslavia

Specifications

General characteristics

  • Crew: Two, pilot and instructor
  • Length: 8.84 m (29 ft 0 in)
  • Wingspan: 10.49 m (34 ft 5 in)
  • Height: 2.08 m (6 ft 10 in)
  • Wing area: 15.5 m2 (16.7 sq ft)
  • Empty weight: 374 kg (824 lb)
  • Gross weight: 602 kg (1,328 lb)
  • Powerplant: 1 × Walter Mikron III , 49 kW (65 hp)

Performance

  • Maximum speed: 166 km/h (103 mph, 90 kn)
  • Range: 605 km (376 mi, 327 nmi)
  • Service ceiling: 3,900 m (12,800 ft)

See also

Aircraft of comparable role, configuration, and era

References
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 430–31.
  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 396.
  • "Utva BC-3 Trojka". Insignia: 144. Summer 1999.
  • Јанић, Чедомир; Петровић, Огњан (2017). Творци ваздухопловства Краљевине Југославије. Београд: Музеј науке и технике. pp. 170 & 230. ISBN 978-86-82977-60-5.
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