Prior to the integration of the CF, both the RCAF and Canadian Army acquired versions of this large twin rotor helicopter for their use. Twelve aircraft in a similar configuration to that of the CH-46A were delivered to Canadian Army betwen 1964 and 1965 as troop and cargo carriers in logistical and tactical missions. Six utility models were delivered to RCAF in between 1963 and 1964 for SAR duties.