FORCETALLY
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At a glance
Measured figures
206B Jetranger II · including rotors
Single source38 ft 9.5 in (11.824 m) including rotors[source]
Mil-171A2 · Length
Configuration
| Specification | Bell 206 | Mil Mi-17 |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Utility , transport , armed capable helicopter[source] |
| National origin | United States / Canada[source] | Soviet Union / Russia[source] |
| Manufacturer | Bell Helicopter[source] | Kazan Helicopters[source] |
| Status | In service[source] | In service[source] |
18.465 m (60 ft 7 in)[source]
Cruise; 206B Jetranger II · at MTOW, 5,000 feet
Single sourceMaximum; 206B Jetranger II · at MTOW (sea level)
Single source122 kn (140 mph, 226 km/h) at MTOW (sea level)[source]
120 kn (140 mph, 220 km/h) at MTOW, 5,000 feet[source]
Cruise; Mil-171A2 · Cruise speed
Single sourceMaximum; Mil-171A2 · Maximum speed
Single source206B Jetranger II · 1 × Allison 250-C20 turboshaft engine
Single source1 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)[source]
Mil-171A2 · 2 × Klimov VK-2500PS-03 turboshaft engines each for takeoff
Single source2 × Klimov VK-2500PS-03 turboshaft engines, 1,800 kW (2,400 hp) each for takeoff[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | 7,300[source] | Approx. 12,000 as of 2007[source] |
|---|
| Manufactured | 1962–2017[source] | 1977–present[source] |
|---|
| Introduction date | 1967[source] | 1977 (Mi-8MT), 1981 (Mi-17)[source] |
|---|
| First flight | December 8, 1962 (206) January 10, 1966 (206A)[source] | 1975[source] |
|---|
| Developed from | Bell YOH-4[source] | Mil Mi-8[source] |
|---|
| Variants | Bell OH-58 Kiowa Bell 407[source] | — |
|---|
| Developed into | Bell 400 TwinRanger[source] | — |
|---|
| Capacity | 4 passengers[source] | 24 troops / 12 stretchers / 4,000 kg (8,818 lb) cargo internally / 5,000 kg (11,023 lb) externally slung.[source] |
|---|
| Fuselage length | 31 ft 2 in (9.50 m)[source] | — |
|---|
| Interior dimensions | 7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 ft 3 (453 L) baggage compartment[source] | — |
|---|
| Main rotor area | 873 sq ft (81.1 m 2 )[source] | 354.7 m 2 (3,818 sq ft) * Blade section: NACA 23012[source] |
|---|
| Blade section | – NACA 0012 mod (11.3%)[source] | — |
|---|
| Maximum speed at 5,000 ft | 116 kn (133 mph; 215 km/h) at MTOW[source] | — |
|---|
| Disk loading | 4 lb/sq ft (20 kg/m 2 )[source] | — |
|---|
| Power/mass | 0.09 hp/lb (0.15 kW/kg)[source] | — |
|---|
| Designer | — | Mil Moscow Helicopter Plant[source] |
|---|
| Built by | — | Kazan Helicopter Plant Ulan-Ude Aviation Plant[source] |
|---|
| Primary users | — | Russia Approx. 60 other countries[source] |
|---|
| Hardpoints | — | Some variants such as Mi-8AMTSh and Mi-171Sh have disposable stores on six hardpoints, including rockets such as S-8 and gun pods such as UPK-23-250 . Some variants such as Mi-171SH-HV and Mi-171SH-VN can be armed with anti-tank guided missiles such as Ataka and precision-guided munitions along with other armaments. Have one or two window-mounted machine guns such as the PK .[source] |
|---|
| Reported operators | — |
|
|---|
Maximum take-off; Mil-171A2 · normal
Single source