Utva-66
Utva-66 on display in the Museum of Aviation
Role	Military Training Aircraft/General Aviation Aircraft Type of aircraft
Manufacturer	UTVA
Designer	UTVA
First flight	1966
Status	Retired
Number built	130

The UTVA-66 is a STOL aircraft, which was produced in the former Yugoslavia. It was developed from the UTVA-60 and first flew 1966.

Description

The aircraft was built for landing on unprepared fields and its STOL characteristics include leading edge fixed slats, flaps and drooping ailerons. The cockpit is equipped with dual flight controls. The right front and rear seats in the older version of the aircraft were able to accommodate two stretchers. The aircraft had floats to land on water, but they could have been exchanged for snow skis.

Operational usage

130 UTVA-66 aircraft were manufactured. The last operational aircraft were withdrawn from military service in 1999.

Subsequently, a number were sold to Canada and the United States of America where they were converted for civilian use as rugged utility aircraft.

Variants

• 66AM air ambulance
• 66H
• 66V
• 66 Super STOL
• 66A never entered military service

Former military operators

 Bosnia and Herzegovina

• Bosnian Air Force

 Croatia

• Croatian Air Force

 Macedonia

• Macedonian Air Force

 Republika Srpska

• Republika Srpska Air Force
  • 92nd Light Multi role Aircraft Squadron

 Yugoslavia

• Yugoslav Air Force
  • 461st Light Combat Aviation Squadron (1977–1988)
  • 462nd Light Combat Aviation Squadron (1977–1981)
  • 252nd Fighter-Bomber Aviation Squadron (1981–1992)
• Letalski center Maribor (Civil operator) (1989-2003)

Aircraft on display

Serbia

• Museum of Aviation (Belgrade) in Belgrade

A number of Utva 66 including Utva 66H are on display. [1]

Specifications (Utva 66)

Data from Jane's All the World's Aircraft 1971–72.^[1]

General characteristics

• Crew: 1
• Capacity: ** 3 passengers or
  • 2 stretchers
• Length: 8.38 m (27 ft 6 in)
• Wingspan: 3.47 m (11.40 ft)
• Height: 3.20 m (10 ft 6 in)
• Wing area: 18.08 m² (194.6 sq ft)
• Airfoil: NACA 4412 (modified)
• Empty weight: 1,250 kg (2,756 lb)
• Max takeoff weight: 1,814 kg (3,999 lb)
• Fuel capacity: 250 L (55 imp gal; 66 US gal)
• Powerplant: 1 × Lycoming GSO-480-B1J6 air-cooled flat-six engine, 200 kW (270 hp) ^[2]

Performance

• Maximum speed: 250 km/h (160 mph, 130 kn) at optimum height
• Cruise speed: 230 km/h (140 mph, 120 kn) (max cruise)
• Stall speed: 80 km/h (50 mph, 43 kn)
• Never exceed speed: 320 km/h (200 mph, 170 kn)
• Range: 750 km (470 mi, 400 nmi)
• Service ceiling: 6,700 m (22,000 ft)
• Rate of climb: 4.50 m/s (885 ft/min)
• Takeoff run to 15 m (50 ft): 352 m (1,155 ft)
• Landing run from 15 m (50 ft): 181 m (594 ft)