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Utva C-3 Trojka / BC-3
Ikarus 251
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 Dragoslav Petkovic 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. Later examples were powered by a 105 hp Walter Minor 4-III engine from 1953. About eighty were built.
The type was operated by the Yugoslav Air Force.
Engine: 1 × Walter Mikron III, 49 kW (65 hp)
Wingspan: 10.49 m (34 ft 5 in)
Wing area: 15.5 m2 (16.7 ft2)
Length: 8.84 m (29 ft 0 in)
Height: 2.08 m (6 ft 10 in)
Empty weight: 374 kg (824 lb)
Gross weight: 602 kg (1,328 lb)
Maximum speed: 166 km/h (103 mph)
Cruise speed: 90 mph
Range: 605 km (376 miles)
Service ceiling: 3,900 m (12,800 ft)
Crew: Two, pilot and instructor

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