Credit
Sardaka · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
KUH-1 · fuselage
Single source3.3 m (10 ft 10 in) (fuselage)[source]
Bell 412EP · Main rotor diameter
Single source46 ft 0 in (14.02 m)[source]
Bell 412EP · 1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (
Single source1 × Pratt & Whitney Canada PT6T-3D Twin-Pac or PT6T-3DF Twin-Pac coupled turboshaft engine - each, 1,250 shp (930 kW)[source]
KUH-1 · 2 × General Electric / Hanwha Aerospace T700-701K turboshaft (1,855 shp) each with dual-channel FADEC
Single source2 × General Electric / Hanwha Aerospace T700-701K turboshaft , 1,383 kW (1,855 shp) each with dual-channel FADEC[source]
Bell 412EP · 1,350 ft/min (
Single source1,350 ft/min (6.9 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Bell 412 | KAI KUH-1 Surion |
|---|---|---|
| Type | Multipurpose utility helicopter[source] | Medium utility helicopter[source] |
| National origin | United States / Canada[source] | South Korea[source] |
| Manufacturer | Bell Helicopter[source] | Korea Aerospace Industries[source] |
| Primary users | Japan Ground Self Defence Force See Operators for others[source] | Republic of Korea Army National Police Agency (South Korea)[source] |
| Number built | 1,300+[source] | 218+ (including derivatives)[source] |
| Manufactured | 1979–present[source] | — |
| Introduction date | 1981 ( 1981 )[source] | 22 May 2013[source] |
| First flight | August 1979 ( 1979-08 )[source] | 10 March 2010[source] |
| Developed from | Bell 212[source] | Eurocopter AS332 Super Puma[source] |
| Variant | Bell CH-146 Griffon[source] | — |
| Capacity | up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg)[source] | 13 passengers (including 9 troops - KUH-1) - up to 18 passengers with the KUH-1E variant[source] |
| Fuselage length | 43 ft (13 m)[source] | — |
| Blade sections | root: Boeing VR-7; tip: Wortmann FX 71-H-080[source] | — |
| Main rotor area | 1,662 sq ft (154.4 m 2 )[source] | — |
| Power/mass | 0.2663 hp/lb (0.4378 kW/kg)[source] | — |
| Role | — | Transport[source] |
| Designer | — | Agency for Defense Development (mission equipment package) Korea Aerospace Industries (with technical assistance from Eurocopter )[source] |
| Status | — | In service[source] |
| In service | — | 2013–present[source] |
| Guns | — | A couple of 7.62mm pintle-mounted machine gun pods Removable pylons or hardpoints for heavier gun pods , air-launched rockets , and/or anti-tank guided missiles[source] |
| Useful lift | — | 2,700 kg (6,000 lb) of external load[source] |
| Hovering ceiling | — | 2,717 m (8,915 ft)[source] |