The first of three Convairliners added to North Cariboo's fleet, C-GRNB was registered in 1979. Later another CV440 (C-GRWW 1980 - 86) and a CV640 (C-FPWO 1984 - 86) were added. This aircraft was leased to Southern Frontier Air Transport in 1984 before returned to North Cariboo in 1986 and sold in the USA (N202RA).