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: 19.02 m (62 ft 5 in)
Wingspan: 13.68 m (44 ft 11 in) wings spread
10.02 m (33 ft) wings swept
Height: 5.12 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) / M1.13 at sea level
1,860 km/h (1,160 mph; 1,000 kn) at altitude
Combat range: 1,150 km (710 mi, 620 nmi) hi-lo-hi attack with 2,000 kg (4,409 lb) warload
Ferry range: 2,300 km (1,400 mi, 1,200 nmi)
Service ceiling: 14,200 m (46,600 ft)
g limits: +7
Rate of climb: 230 m/s (45,000 ft/min)
Wing loading: 443 kg/m2 (91 lb/sq ft)
Thrust/weight: 0.68
Armament
Guns:
2 × 30 mm Nudelman-Rikhter NR-30 autocannons (80 rounds per gun, 160 rounds total)
UPK-23 or SPPU-22 gun pods for 2 × Gryazev-Shipunov GSh-23L autocannons
Hardpoints: 12 hardpoints with a capacity of up to 4,000 kg (8,800 lb) of stores,with provisions to carry combinations of:
Missiles:
Air-to-air missiles:
K-13
R-60
R-73
Air-to-surface missiles:
Kh-23 Grom
Kh-25ML
Kh-29L/T/D
Anti-radiation missiles:
Kh-58
Kh-27PS
Kh-28
Bombs: drop bombs, laser-guided bombs, electro-optical bombs, napalm bombs, drag chute bombs and cluster bombs
Rockets: S-5, S-8 & S-13General characteristics

Crew: 1
Length: 19.02 m (62 ft 5 in)
Wingspan: 13.68 m (44 ft 11 in) wings spread
10.02 m (33 ft) wings swept
Height: 5.12 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) / M1.13 at sea level
1,860 km/h (1,160 mph; 1,000 kn) at altitude
Combat range: 1,150 km (710 mi, 620 nmi) hi-lo-hi attack with 2,000 kg (4,409 lb) warload
Ferry range: 2,300 km (1,400 mi, 1,200 nmi)
Service ceiling: 14,200 m (46,600 ft)
g limits: +7
Rate of climb: 230 m/s (45,000 ft/min)
Wing loading: 443 kg/m2 (91 lb/sq ft)
Thrust/weight: 0.68
Armament
Guns:
2 × 30 mm Nudelman-Rikhter NR-30 autocannons (80 rounds per gun, 160 rounds total)
UPK-23 or SPPU-22 gun pods for 2 × Gryazev-Shipunov GSh-23L autocannons
Hardpoints: 12 hardpoints with a capacity of up to 4,000 kg (8,800 lb) of stores,with provisions to carry combinations of:
Missiles:
Air-to-air missiles:
K-13
R-60
R-73
Air-to-surface missiles:
Kh-23 Grom
Kh-25ML
Kh-29L/T/D
Anti-radiation missiles:
Kh-58
Kh-27PS
Kh-28
Bombs: drop bombs, laser-guided bombs, electro-optical bombs, napalm bombs, drag chute bombs and cluster bombs
Rockets: S-5, S-8 & S-13

https://en.wikipedia.org/wiki/Sukhoi_...