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Bell 412

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Bell 412
Norwegian Bell 412SP helicopters taking part in the NATO exercise Strong Resolve 2002
Type Multipurpose utility helicopter
Manufacturer Bell Helicopter
Introduced 1981
Primary users Royal Air Force
Jamaica Defence Force
Royal Thai Air Force
Developed from Bell 212
Variants CH-146 Griffon

The Bell 412 is a utility helicopter manufactured by Bell Helicopter Textron. It is a further development of the Bell 212 model, the major difference being the composite four-blade main rotor.


The development began in the late 1970s with two Bell 212 being converted into 412 prototypes. An advanced four blade main rotor with a smaller diameter replaced the 212's two blade rotor. A Bell 412 prototype first flew in August 1979. The initial model was certified in January 1981 with the deliveries commencing in the same month.[1]

The 412 model was followed by the 412SP (Special Performance) version featuring larger fuel capacity, higher takeoff weight and more optional seating arrangement. In 1991, the 412HP (High Performance) variant with improved transmission replaced the SP version in production.[1] The current production version, 412EP (Enhanced Performance), is equipped with a dual digital automatic flight control system.

Over 700 Model 412s (including 260 by AgustaWestland) have been built and in operation.[2]


Bell 412 
Utility transport helicopter.
Bell 412EP 
Enhanced performance version.
Bell 412HP 
High performance version.
Bell 412SP 
Special performance version.
Military 412 
Armed military version.
CH-146 Griffon 
Utility transport helicopter for the Canadian Forces.
Bell Griffin HT1 
Advanced training helicopter based on the Bell 412EP, operated by the RAF since 1997 as an advanced flying trainer. Operated by the Defence Helicopter Flying School at RAF Shawbury and the Search and Rescue Training Unit at RAF Valley.
Bell Griffin HAR2 
Search and Rescue helicopter based on the Bell 412EP, operated by 84 Squadron RAF since 2003 at RAF Akrotiri in Cyprus.
Agusta-Bell AB 412 
Civil utility transport version, built under licence in Italy by Agusta.
Agusta-Bell AB 412EP 
Italian-built version of the Bell 412EP.
Agusta-Bell AB 412 Grifone 
Military utility transport version, built under licence in Italy by Agusta.
Agusta-Bell AB 412 CRESO 
Italian-built version, fitted with a ground surveillance radar.
NBell 412 
IPTN's licensed product of Bell 412
File:RAC Rescue 1 - Bell 412EP.JPG
RAC Rescue 1, a Bell 412EP. Sponsored by RAC WA and operated by FESA


Military operators

Civilian and government operators

Westpac Life Saver Rescue Helicopter Service
Fire and Emergency Services Authority of Western Australia
Brazilian Federal Police
Turkish Coast Guard
Finnish Border Guard
Department of Energy
United States Park Police
Los Angeles City Fire Department
Los Angeles County Fire Department
New York Police Department
Miami-Dade County Fire Department
Blackwater USA

Specifications (412EP)

Rotor head and transmission of a Bell 412.

General characteristics



External Links

Related Content

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Related development

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See also