Sikorsky built civilian variant List of Operators of S-64B Years Model Org 1971- S-64 CH-54 Erickson S-64 CH-54 Canadian Air Crane S-64 CH-54 Helicopter Transport Services S-64 CH-54 Siller Brothers Inc S-64 CH-54 Evergreen Helicopters Global Distribution of S-64B 9S-64B Construction Numbers C/N Year History 64-058 1968 C-GFBH,HC-CAT,N6962R 64-059 w/o 1969 1969 N6964R 64-060 w/o 1981 1969 N6965R 64-069 64-070 64-079 1968 N6979R 64-099 1975 N4035S 64-100 w/o unknown 1975 N4036S 64-101 1975 N4037S