Soko J-21 Jastreb - Specifications (J-1)

Specifications (J-1)

Data from

General characteristics

  • Crew: 1 pilot
  • Length: 10.88 m (35 ft 8.5 in)
  • Wingspan: 10.56 m or 11.68 m with tip tanks (34 ft 8 in or 38 ft 4 in)
  • Height: 3.64 m (11 ft 11.5 in)
  • Wing area: 19.43 m² (209.15 ft²)
  • Max. takeoff weight: 5,100 kg (11,220 lb)
  • Powerplant:
    • 1 × BMB (Rolls-Royce/Bristol Siddeley) Viper Mk 531 Turbojet, 1,361 kg (3,000 lb, 13.32 kN)
    • 2 × solid-propellant JATO units, 4.45 kN (1,000 lb) each
  • Internal fuel load: 440 kg (970 lb)
  • External fuel load: 2 × 275 liter (72.6 US gal or 60.5 Imp gal) in jettisonable wing-tip fuel tanks

Performance

  • Maximum speed: 820 km/h (442 knots, 510 mph) at 6,000 meters (19,685 ft)
  • Cruise speed: 740 km/h (399 knots, 460 mph) at 5000 meters (16,405 ft)
  • Range: 1,520 km (820 nm, 945 mi) with tip tanks
  • Service ceiling: 12,000 m (39,370 ft)
  • Rate of climb: 1,260 m/min (4,134 ft/min)
  • G limit: -4 to +8

Armament

  • 3 Colt-Browning 12.7 M3 machine guns, with K-14C or K-14A gun sight
  • 800 kg of assorted munitions

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