Latin American Military - Argentina - Policía Federal Argentina (PFA) - Bell OH-13H Sioux

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Revised: October 14, 2007
Copyright © 1997-2010 by Jean Charles Barroux - jbarroux@LAMilitary.org

The Argentinean Army bought two batches of Bell OH-13H Sioux from the USAF. The first batch of four Bell OH-13H-BF, the military version of the 47G-2, was received in September 1972 and in 1975 a couple of Bell TH-13T-BF, the military version of the 47G-3B2, the instrument flying version were received. By 1980 all of them would have been withdrawn from usage by the Sección Aviación Ejército.

At the end of March 1981 four of those helicopters were transferred to the Policía Federal Argentina (PFA) with a stock of spare parts. Those would be a couple of Bell TH-13T-BF (AE-391 and AE-392) and another couple of Bell OH-13H-BF (AE-396 and AE-397). The idea was to use these helicopters for aerial observation and training purposes but, for a number of technical reasons, they were never put in service. In the end, in June 1983 they were sent back to the Argentinean Army where they were sent to the Escuela de los Servicios para Apoyo de Combate General Lemos to be used as training material. One of them, AE-396 (C/N 1660), is stored at the Museo de Aviación de Ejército Argentino.

Bell OH-13H Sioux

Bell OH-13H-BF Sioux light utility, training and observation helicopter

Designation: Bell OH-13H-BF Sioux
Manufacturer: Bell, U.S.A.
Crew: 1
Passengers: 1 or 2, can carry 2 stretchers, one on each skid
Construction: ---
Engine: 1 x Lycoming VO-435-23B
Engine Type: Flat six piston
Engine Thrust: --- kW (250 hp)
Rotors: 2 bladed main rotor and 2 bladed tail rotor
Main Rotor Diameter: 11.28 m
Main Rotor Disk Area: 100.8 m2
Fuselage Length: 9.63 m
Overall Length: 13.30 m
Height: 2.83 m
Empty Weight: 776 kg
Max. Weight MTOW: 1,293 kg 
Max. Weight with Sling: --- kg
Max. Speed: --- km/h
Max. Speed at Sea Level: --- km/h
Max. Cruising Speed: 170 km/h
Normal Cruising Speed: 135 km/h
Initial Rate of Climb: 880 ft./min
Ceiling: 19,000 ft.
Howering Ceiling: 12,700 ft.
Fuel Capacity: --- lts
Range on Internal Fuel: 480 km
Range with Max. Fuel: 480 km
Range with Max. Payload: --- km
Combat Radius: --- km ()
Endurance: 2 Hrs 30 min
Useful Load: 517 kg
Radar: N/A
EW: N/A
Avionics: ---
Weapons: None.
Format: 1.0
Notes: 

S/N       C/N        Unit          Built       Bought      Disposition         Notes
N/A       1660       CFA           --/---/---- --/Mar/1981 wfu --/Jun/1983     Ex-55-4631, ex-EA AE-396, Museum stored
N/A       --         CFA           --/---/---- --/Mar/1981 wfu --/Jun/1983     Ex-EA AE-397

Bell TH-13T-BF Sioux light instrument flying training helicopter

Designation: Bell TH-13T-BF Sioux
Manufacturer: Bell, U.S.A.
Crew: 1
Passengers: 1 or 2, can carry 2 stretchers, one on each skid
Construction: ---
Engine: 1 x Lycoming VO-435-A1A
Engine Type: Flat six piston
Engine Thrust: --- kW (240 hp)
Rotors: 2 bladed main rotor and 2 bladed tail rotor
Main Rotor Diameter: 11.28 m
Main Rotor Disk Area: 100.8 m2
Fuselage Length: 9.87 m
Overall Length: 13.30 m
Height: 2.90 m
Empty Weight: 798 kg
Max. Weight MTOW: 1,293 kg 
Max. Weight with Sling: --- kg
Max. Speed: --- km/h
Max. Speed at Sea Level: --- km/h
Max. Cruising Speed: 170 km/h
Normal Cruising Speed: 135 km/h
Initial Rate of Climb: 880 ft./min
Ceiling: 19,000 ft.
Howering Ceiling: 12,700 ft.
Fuel Capacity: --- lts
Range on Internal Fuel: 418 km
Range with Max. Fuel: 418 km
Range with Max. Payload: --- km
Combat Radius: --- km ()
Endurance: 3 Hrs 15 min
Useful Load: 495 kg
Radar: N/A
EW: N/A
Avionics: ---
Weapons: None.
Format: 1.0
Notes: 

S/N       C/N        Unit          Built       Bought      Disposition         Notes
N/A       --         CFA           --/---/---- --/Mar/1981 wfu --/Jun/1983     Ex-EA AE-391
N/A       --         CFA           --/---/---- --/Mar/1981 wfu --/Jun/1983     Ex-EA AE-392

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