Soko J-21 Jastreb

what is it?

The Soko J-21 Jastreb (from Serbian Cyrillic: јастреб, lit. 'hawk'), referred to as the J-1 Jastreb in some sources, is a Yugoslav single-seat, single-engined, light attack aircraft, designed by the Aeronautical Technical Institute (ATI) and Military Technical Institute (VTI), in Belgrade, and manufactured by SOKO in Mostar. Derived from the G-2 Galeb advanced jet trainer and light attack aircraft, it was designed in single-seat ground-attack and two-seat advanced flying/weapon training versions.

🔎How to recognise it: 3 jet engines · 10.6 m wingspan

base stats

• speed 820 km/htop speed
• size 5,100 kgmax take-off weight
• built 121made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 61 years ago, in 1965.
• 🏎️Top speed is 6.3× a car on the Dutch motorway (130 km/h).
• 🚗Wingspan of 10.6 m: about 2 cars parked nose to tail.
• 🏔️Can fly 1.4× higher than Mount Everest (8,849 m).

jet: Gas turbine pushing air out the back (turbofan or turbojet): fast and high-flying.

spec sheet

first flight

1965-07-19

status

retired

number built

121

role

light attack aircraft

makers

SOKO

engines

3× BMB (Rolls-Royce/Bristol Siddeley) Viper Mk 531 / JATO units

crew

1

length

10.9 m

wingspan

10.6 m

height

3.6 m

max take-off weight

5,100 kg

top speed

820 km/h

cruise speed

740 km/h

range

—

ceiling

12,000 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.