00000nas 2200000za 4500 9.821664 CaOODSP 20221107143518 cr ||||||||||| 160726d19541979onczx p o f0###a0eng|d 0015-3702 CaOODSP eng n-cn--- DC2-2E-PDF Flight comment [electronic resource]. Ottawa: National Defence Headquarters, Directorate of Flight Safety, 1954-1979. Irregular, ed. 1, 1976-ed. 1, 1979. Quarterly, 1st-3rd quarter, 1954 Bimonthly, Mar./Apr. 1955-Nov./Dec. 1975 1st quarter 1954-1979, ed. 1. Numbering begins each year with no 1, 1976-1979. gccst Aviation Canada. Department of National Defence. Directorate of Flight Safety. Flight comment (CaOODSP)9.821665 Flight comment (CaOODSP)9.821687