SU-22 Afterburner goes “BOOM“ on ignition

A Polish airforce SU22 creates several loud Booms when it ignites it`s afterburner. Filmed at Airpower 2019 at Zeltweg, Austria. The Sukhoi Su-17/Su-20/Su-22 (NATO reporting name: Fitter) is a Soviet variable-sweep wing fighter-bomber developed from the Sukhoi Su-7. General characteristics: Crew: 1 Length: m (62 ft 5 in) Wingspan: m (44 ft 11 in) wings spread m (33 ft) wings swept Height: m (16 ft 10 in) Wing area: 38.5 m2 (414 sq ft) wings spread 34.5 m2 (371 sq ft) wings swept Airfoil: root: TsAGI SR-3S (5.9%) ; tip: TsAGI SR-3S (4.7%)[66] Empty weight: 12,160 kg (26,808 lb) Gross weight: 16,400 kg (36,156 lb) Max takeoff weight: 19,430 kg (42,836 lb) Fuel capacity: 3,770 kg (8,311 lb) Powerplant: 1 × Lyulka AL-21F-3 afterburning turbojet engine, 76.4 kN (17,200 lbf) thrust dry, 109.8 kN (24,700 lbf) with afterburner Performance Maximum speed: 1,400 km/h (870 mph, 760 kn) / at sea level 1,860 km/h (1,160