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Wholly owned subsidiary of Vertol Aircraft Corporation; formed February 1954 at former RCAF air base Arnprior, west of Ottawa, to repair and overhaul RCAF/RCN Vertoi helicopters. Also produced in 1957 small number of Vertol Model 42A, exclusively Canadian civil conversion of RCAF H-21B helicopters used to supply stations of the mid-Canada radar chain. |
