Probably one of America’s work horses of the medium lift world, the Bell 212!
The 212 is a two-blade, twin-engine, medium helicopter that first flew in 1968. Originally manufactured by Bell Helicopter in Fort Worth, Texas, United States, production was moved to Mirabel, Quebec, Canada in 1988, along with all Bell commercial helicopter production after that plant opened in 1986. The 212 is marketed to civilian operators and has a fifteen-seat configuration, with one pilot and fourteen passengers. In cargo configuration the 212 has an internal capacity of 220 ft³ (6.23 m³). An external load of up to 5,000 lb (2,268 kg) can be carried.
The 212 is based on the Bell 205 which was originally designed for the Canadian Military as the as the CUH-1N and later redesignated as the CH-135. The Canadian Forces took delivery of 50 starting in May 1971. At the same time the United States military services ordered 294 Bell 212s under the designation UH-1N.
By 1971 the 212 had been developed for commercial applications. Among the earliest uses of the 212 in civil aviation was by Helicopter Service AS of Norway to be used in support of offshore oil rigs. Today the 212 can be found used in logging operations, maritime rescue and resupply in the Arctic on the Distant Early Warning Line or North Warning System.
The 212’s main rotor is powered by a Pratt & Whitney Canada PT6T-3 Twin-Pac made up of two coupled PT6 power turbines driving a common gearbox. They are capable of producing up to 1,800 shp (1,342 kW). Should one engine fail the remaining engine can deliver 900 shp (671 kW) for 30 minutes, or 765 shp (571 kW) continuously, enabling the 212 to maintain cruise performance at maximum weight.
There are several models of the 212
the UH-1N, the Military version
The Twin 212 the civilian model
The Agusta-Bell AB 212 - Civil or military utility transport version. Built under license in Italy by Agusta.
And my favourite
The Eagle 212 Single which is Single engine variant with a Lycoming T53-17 or T53-BCV engine produced by Eagle Copters of Calgary, Alberta, Canada!
(US Air Force’s UH1N)
(A Civilian 212, the scientist science while the Pilot does pilot )
(The Single Engine Bell 212, we like to call her the “Magic School Bus”)
(A Bell 212HP with a simplex tank for fire fighting, this is the “The Blue Berry”)