To United Air Lines 18 May 1954 as a Convair 340-31 N73153. To Frontier Al on 18 Jun 1959. Converted to a Convair 580 on 24 Sep 1965. To Mountainwest Aviation on 19 May 1977. To Sierra Pacific Al by 07 Oct 78 when I saw it. Various short leases to Golden Gate, Wings West and Express Al. Back permanently with Sierra Pacific in Mar 1990. WFU at AVW Feb 96. To Kelowna Flightcraft as C-GEVC in Apr 1999. Reregistered to C-FFKF on 02 Nov 1999. To Conair Aviation on 26Jul 2000 and converted to a water bomber number 44. Still current at least early in 2023.