IAR-827

The IAR-827 was an agricultural aircraft built in Romania in the 1970s and 1980s. The penultimate member of the family of designs that began with the IAR-821, it was, like the others, a conventional low-wing monoplane with fixed, tailwheel undercarriage, and shared the all-metal construction of the IAR-826. The prototype flew in 1976, powered by a Lycoming IO-720 engine, but the production examples that followed all had the PZL-3S.

IAR-827 and IAR-828
Role Agricultural aircraft
National origin Romania
Manufacturer IAR
Designer Radu Manicatide
First flight 22 July 1976
Number built 17[1]

In 1981, the IAR-827 prototype was re-engined with a Pratt & Whitney Canada PT6A turboprop and redesignated first as the IAR-827TP and later as the IAR-828. Plans to produce the aircraft either with the Pratt & Whitney Canada engine or a Walter 601 never materialised.

Variants
  • IAR-827 - prototype with Lycoming IO-720 engine
  • IAR-827A - production version with PZL-3S engine
  • IAR-827TP, later IAR-828 - turboprop version with Pratt & Whitney Canada PT6A-15AG

Specifications (IAR-827A)

Data from Jane's All The World's Aircraft 1982–83[2]

General characteristics

  • Crew: 1 pilot
  • Capacity:
    • 1,200 L (320 US gal; 260 imp gal) liquid chemicals or
    • 800 kg (1,800 lb) dry chemicals
  • Length: 8.80 m (28 ft 10 in)
  • Wingspan: 14.00 m (45 ft 11 in)
  • Height: 2.60 m (8 ft 6 in)
  • Wing area: 29.40 m2 (316.5 sq ft)
  • Aspect ratio: 6.67:1
  • Airfoil: NACA 23015
  • Empty weight: 1,660 kg (3,660 lb)
  • Gross weight: 2,800 kg (6,173 lb)
  • Fuel capacity: 460 l (120 US gal; 100 imp gal)
  • Powerplant: 1 × PZL-3S 7-cylinder air-cooled radial engine, 450 kW (600 hp)
  • Propellers: 4-bladed PZL US132000-A constant speed metal, 2.62 m (8 ft 7 in) diameter

Performance

  • Maximum speed: 210 km/h (130 mph, 110 kn)
  • Cruise speed: 135–180 km/h (84–112 mph, 73–97 kn) (operating speed range)
  • Stall speed: 110 km/h (68 mph, 59 kn) (power off, 10 degree flaps)
  • Range: 350 km (220 mi, 190 nmi) with maximum fuel
  • Endurance: 2 hr 30 minutes
  • Service ceiling: 3,500 m (11,500 ft)
  • Rate of climb: 4.50 m/s (885 ft/min)

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References
  1. Vlad 1997, p. 19.
  2. Taylor 1982, pp. 175–176.
  • Taylor, John W. R., ed. (1982). Jane's All The World's Aircraft 1982–83. London: Jane's Yearbooks. ISBN 0-7106-0748-2.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 527.
  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 341.
  • Vlad, Danut (March–April 1997). "Out of the Ashes: The Romanian Aircraft Industry Since 1945". Air Enthusiast. No. 74. pp. 9–19.
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