High performance version with P&WC PT6T-3BG or PT6T-3D engines
Operators
| 1981- |  State of California 412 |
| 1982- |  Royal Thai Air Force 412 |
| 1984- |  Fuerza Aerea Colombiana 412 |
| 1986- |  Bell Helicopter Canada 412 |
| 1987- |  Luftforsvaret 412 |
| 1990- |  Fire and Disaster Management Agency 412 |
| 1991-2008 |  HDM Flugservice 412 |
| 1991-2011 |  Siły Powietrzne Rzeczypospolitej Polskiej 412 |
| 1992- |  Slovenska Vojska 412 |
| 1993- |  Policie České Republiky 412 |
| 1993- | Kaijō Hoan-chō 412 |
| 1994- |  Petroleum Air Services 412 |
| 1994- |  Philippine Air Force 412 |
| 1997- |  Global Vectra Helicorp 412 |
| 1998- |  Rotorsun 412 |
| 1999- | Royal Thai Police 412 |
| 2001-2016 |  Atlantic Airways 412 |
| 2003-2016 | INAER 412 |
| 2005-?? | DRF Luftrettung 412 |
| 2011- | Policja 412 |
| 2014- | Global Helicopter Service GmbH 412 |
| 2016- | Babcock España 412 |
 Australia Air Ambulances 412 |
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| Kestrel Aviation 412 |
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| Local Governments 412 |
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 Heli Austria GmbH 412 |
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| Agrarflug Helilift GmbH 412 |
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| Keisatsu-chō 412 |
|
 Gobierno de Mexico 412 |
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| Heliservicio 412 |
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 Hevilift Ltd 412 |
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 Gulf Helicopters 412 |
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| Administraciones Locales 412 |
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| Pegasus Aero Group 412 |
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 Abu Dhabi Aviation 412 |
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| ERA Helicopters 412 |