CF-104 "727" (12727) of 6 ST/R OTU during an engine test run at CFB Cold Lake CF-104, Canadair model CL-90, Lockheed model 683-04-12, Canadair construction number 683A-1027; RCAF serial number 12727, built by Canadairfirst unit 6 ST/R OTU on March 23, 1962 crashed after an engine failure during flight with 6 ST/R OTU from Cold Lake on August 9, 1965; pilot ejected safely; Lockheed C-2 seat; written off. copyright @ CAF DND