PZL I-22 Iryda Papercraft
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Development
In 1976, a program to develop a new jet trainer for the Polish Air Force started at the Institute of Aeronautics (Polish: Instytut Lotnictwa) to replace the TS-11 Iskra. The Iryda was designed in PZL Mielec (then WSK-Mielec). The first prototype was flown on March 3, 1985. The project was finally canceled in the 1990s due to problems and a lack of funding. Another reason was a crash of the pre-production series aircraft, even though the cause of accident was exceeding of the performance limits during forced flutter tests.
Operators
Poland
Polish Air Force. 8 aircraft (1992-1996)
Specifications (M93K)
PZL I-22 Iryda
Data from Instytut Lotnictwa [1]
General characteristics
Crew: 2: student, instructor
Length: 13.22 m (43.36 ft)
Wingspan: 9.60 m (31.49 ft)
Height: 4.30 m (14.10 ft)
Wing area: 19.92 m² (214.31 ft²)
Empty weight: 4,600 kg (10,143 lb)
Loaded weight: 6,650 kg (14,663 lb)
Useful load: 1,800 kg (3,969 lb)
Max. takeoff weight: 7,500 kg (16537.5 lb)
Powerplant: 2 × PZL K-15 turbojet, 14.7 kN (3307.5 lbf) each
Performance
Maximum speed: .82 Mach (584 mph) 940 km/h at altitude 5,000 m (16,400 ft)
Range: 1,200 km (746 miles)
Service ceiling: 13,700 m (44,936 feet)
Rate of climb: 40.6 m/s (8000 ft/min)
Thrust/weight: 0.4
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