UTVA 75

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UTVA 75
MoD - 40th Anniversary Utva 75.jpg
Serbian Air Force Utva 75
RoleMilitary trainer/general aviation
National originFlag of Yugoslavia (1946-1992).svg  Yugoslavia
Manufacturer UTVA
First flight19 May 1976 [1]
Introduction1978
Statusactive
Primary user Yugoslav Air Force
Produced1978–1985
Number built136 [1]
Slovenian Utva-75 Utva-75.jpg
Slovenian Utva-75
Bosnian Utva-75 UTVA-75.JPEG
Bosnian Utva-75
Utva-75 Serbian air force Utva 75 53244 252stae 204vbr.jpg
Utva-75 Serbian air force
Utva-75 Serbian RViPVO Utva 75 RV i PVO VS-3.jpg
Utva-75 Serbian RViPVO
Montenegrin Air Force Utva 75 Montenegrian air force Utva 75 at golubovci airbase.JPG
Montenegrin Air Force Utva 75
Macedonian Utva-75 LOLAUtva75.jpg
Macedonian Utva-75
Utva Sova - further development of the aircraft Utva Sova - Partner 2019 - 1.jpg
Utva Sova - further development of the aircraft
The sole SAFAT 03, developed from the UTVA 75. SAFAT 03.jpg
The sole SAFAT 03, developed from the UTVA 75.

Designed in 1975 to replace the UTVA Aero 3 as the primary basic trainer in the Yugoslav Air Force. It features upward opening gull-wingtype access doors to the two-seat side-by-side cockpit. Another characteristic is a row of air scoops, presumably for cockpit ventilation, in the central front frame of the cockpit. The Utva 75 made its maiden flight in 1976. Between 1978 and 1985, a total of 136 Utva 75s were produced for the former Yugoslav Air Force. Following the breakup of Yugoslavia, many were passed on to successor states.

Contents

Development

The Utva 75 made its maiden flight in 1976. [1] Between 1978 and 1985, a total of 136 Utva 75s were produced for the former Yugoslav Air Force. [1] Following the breakup of Yugoslavia, many were passed on to successor states.

Design

Designed in 1975 to replace the UTVA Aero 3 as the primary basic trainer in the Yugoslav Air Force. Utva 75 is a low-wing all-metal utility airplane. Wings are cantilever, rectangular with main and auxiliary wing spar and the integral fuel cells located between them. Dihedral is 6 degrees, NACA65 415 wing section.There is one underwing hardpoint on each wing for drop tanks carriage or additional weapon stores. Landing gear is non-retractable with oleo-pneumatic shock-absorbers. It features upward opening gull-wing type access doors to the two-seat side-by-side cockpit. Another characteristic is a row of air scoops, presumably for cockpit ventilation, in the central front frame of the cockpit. The positions of the throttle and RPM levers are changed, which is leading to confusion, in all western aircraft there is a throttle on the left, and RPM on the right on Utva 75 it is exactly the opposite. The cabin doors have a poorly designed closing system, resulting in many doors shattering due to inadvertent opening in the air. However, the aircraft has one of the better suspension systems and even hard landings will turn out soft.

Operational history

The aircraft was operated in the Yugoslav Air force as a basic trainer and it was given in parallel operational use by aeroclubs for the needs of basic training of reserve officers, maintenance of pilot training in the army reserve, air pick-up of mail with anchor, towing gliders and general aeroclub use. The aircraft has proven to be robust but economically very inefficient, maintenance is very expensive for a two-seater aircraft and also fuel consumption is high. It is estimated that the long-term costs are 150% higher than on the Cessna 152. The aircraft flies very slowly, around 160 km/h with a fuel consumption of around 45 liters per hour. When towing gliders, fuel consumption reaches 55-60 liters per hour.

Variants

UTVA 75A11
Single-seat agricultural aircraft, largely using the Utva 75 airframe. [2]
UTVA-75A21
Two-seater with dual controls and provisions for blind instrument flying. [2]
UTVA-75A41
Four-seater with advanced avionics, first flown in 1986. [2]
SAFAT 03
A development of the UTVA 75 from the SAFAT Aviation Complex at Khartoum, Sudan, with a modified fuselage and tail fin. To confuse matters the Sudanese Government marked up a standard UTVA 75 as a SAFAT 03. One example known, which was displayed at the Dubai Air Show in 2011.

Operators

Flag of Sudan.svg  Sudan

Former operators

Flag of Yugoslavia (1946-1992).svg  Yugoslavia
Flag of Slovenia.svg  Slovenia
Flag of Croatia.svg  Croatia
Flag of Bosnia and Herzegovina.svg  Bosnia and Herzegovina
Flag of Serbia.svg  Serbia
Flag of Montenegro.svg  Montenegro
Flag of North Macedonia.svg  North Macedonia

Specifications (UTVA 75A21)

Data fromJane's All the World's Aircraft 1988-89 [2]

General characteristics

Performance

82 km/h (51 mph; 44 kn) 25° flap at idle

Armament

' Avionics

See also

Aircraft of comparable role, configuration, and era

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References

  1. 1 2 3 4 "Školski avion UTVA-75". Vojska Srbije. Retrieved 10 July 2013.
  2. 1 2 3 4 John W.R. Taylor, ed. (1988). Jane's All the World's Aircraft 1988-89. London: Jane's Information Group. pp. 499–500. ISBN   0-7106-0867-5.
  3. "Eurofighter: Dubai Air Show 2011". Eurofighter. 17 November 2011. Archived from the original on 15 May 2013. Retrieved 10 July 2013.
  4. "World Air Forces 1997 pg. 621". flightglobal.com. Retrieved 3 May 2019.
  5. "World Air Forces 1997 pg. 71". flightglobal.com. Retrieved 3 May 2019.