The 214A/C Huey Plus was a development of the Bell 205 originally designed for Iran which received more than 300 aircraft of this type. Main feature was a single and more powerful Lycoming LTC4B-8 engine (2.930 shp) and upgraded rotor system.
The 214B BigLifter was the civilian variant, powered by a roughly similar T55-08D engine, and was produced until 1981.
The 214ST, produced between 1979 and 1991, shares the same model number, but is a larger, much-modified twin-engine derivative.
Bell 214 Type Certificates to Erickson, 06-Sep-20 : #Bell214 Bell announced transfer of Type Certificates (TC) for Bell 214 B/B1/ST to Erickson, one of the largest operator of the model. New agreement replaced support license granted in 2015. Erickson also owns the S-64 air crane TCs
Erickson Bell 214 to Support US Pacific Command, 01-Nov-18 : #Bell214 US Department of Defense (DoD) awarded Erickson an indefinite-delivery/indefinite-quantity (IDIQ) contract for year (plus 3 option) to operate Bell 214ST in support of US Pacific Command (USPACOM)