Type: Close Support and ground attack aircraft
Origin: Henschel Flugwerke AG
Crew: One
Models: A & B
First Flight

• Hs 129V-1: May 25, 1939
• Hs 129B: October 1941

Service Delivery:

• Hs 129A-0: Early 1941
• Hs 129B: Late 1942

Final Delivery: N/A
Number Produced: 841 B-Series (879 total)

---

Powerplant:

Hs 129S Series:
• Model: Argus As 410A-1
• Type: Ari-Cooled inverted V12
• Number: Two
• Horsepower: 495 hp

Hs 129B Series:
• Model: Gnome-Rhône 14M 04/05
• Type: 14-Cylinder two-row radials
• Number: Two
• Horsepower: 690 hp

---

Dimensions:

• Wing span: 46 ft. 7 in.(14.2m)
• Length: 31 ft. 11.75 in. (9.75m)
• Height: 10 ft. 8 in. (3.25m)
• Wing Surface Area: 312.16 Sq. Ft. (29.00²)

---

Weights: Hs 129B-1, Typical

• Empty: 8,940 lb. (4060 kg)
• Loaded: 11,265 lb. (5110 kg)

---

Performance: Hs 129B-1, Typical

• Maximum Speed: 253 mph (408 kph)
• Initial Climb: 1,390 ft/min (425 m/min)
• Service Ceiling: 29,530 ft. (9000m)
• Range: 547 miles (880km)

---

Armament:

Hs 129B-1/R1 & Hs 129B-1/R-4:
• Two 7.92mm MG 17 Machine Guns in nose.
• Two 20mm MG 151/20 cannon in nose.

Hs 129B-1/R2:
• Two 7.92mm MG 17 Machine Guns in nose.
• Two 20mm MG 151/20 cannon in nose.
• One 30mm Mk 101 cannon mounted under fuselage.

Hs 129B-1/R3:
• Two 7.92mm MG 17 Machine Guns in nose.
• Two 20mm MG 151/20 cannon in nose.
• Four 7.92mm MG 17 Machine Guns in ventral box.

Hs 129B-2 Series:
• Two 13mm MG 131 Machine Guns in nose.
• Two 20mm MG 151/20 cannon in nose.
• Various weapons were fitted including the 37mm BK 3.7 and 75mm BK 7.5. An interesting weapon was a battery of six 75mm smoothbore recoiless rifles that fired downawrds and to the rear. This system was fired by an automatic magnetic trigger that fired when the aircraft flew over metal objects. This system was reported to be quite successful.

Payload:

Hs 129B-1/R1:
• Fuselage racks for two 110 lb. or 48 fragmentation bombs.

Hs 129B-1/R4:
• Fuselage racks for up to 551 lb. of bombs.

Sources:
Gunston, Bill - The Encyclodepia of the Worlds Combat aircraft, 1976, Chartwell Books, Inc., New York
Brown, Eric, Captain - Wings of the Luftwaffe, 1979, Airlife Publishing Ltd., Shrewsbury
Gunston, Bill & Wood, Tony - Hitler's Luftwaffe, 1977, Salamander Books Ltd., London
Donald, David - The Complete Encyclopedia Of World Aircraft, 1997, Brown Packaging Books Ltd., London
Wikipedia - Henschel Hs 129