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SE-HBU made AB Norrlandsflyg's very first turbine engined helicopter when it was purchased and imported in July 1970. It was in service with the company for six years before it was sold to Ostermans Aero AB in Stockholm. A second S-55T (
SE-HHY) had been purchased, and this Jet Ranger became superfluous. Ostermans later sold the machine to a private owner in Stockholm, who had the machine in two years before he sold it to Norway (reg. LN-OTL).