In March 1988, Ontario Express Airlines bought the parent company of Frontier Air Service. Major expansion followed when five Beech 1900 aircraft were added to the fleet in 1989 / 90 with Canadian Partner branding following shortly after. Frontier was absorbed by Ontario Express in 1992 and the 1900s returned to Beech in 1993. Registered N80532 and N575P, this aircraft was bought by Alpine Express in 2014 to fly freight. Registered N422AX in 2015, the freighter is current at the time of uploading.

ex USAAF, RCAF and Nahanni Air Services. At the time probably still showing titles of former operator Frontier Air Services (Canada). Became EC-FIN with ARM, N47FL and N578PT - photographed by Luc Bereni

In 1989, Frontier Air Service started taking delivery of five new Beech 1900s and began operating as a Canadian Airlines feeder (Canadian Partner). They replaced several King Airs, including this one. Sold in September 1990 and registered in the USA as N712AS, the aircraft returned to Canada in 1997 as C-GAPK with Ministic Air. It was last with Transwest Air when it was damaged landing at La Ronge Airport, SK on December 30, 2005.

Test reg N15625 then delivered to Frontier/Canadian Partner as C-GFAD in 1989. To Ontario Express in 1992. Repossessed by Beech as N80334 in 1993. To Markair Express in 1994 then to Frontier Flying Service as N575A in 1998, Rebranded as Era by 2010 and Ravn Connect in 2014. They went bankrupt in 2020 and it was registered to Tailwind Investments.

The aircraft was registered to Rog-Air Ltd. and operated for Frontier Air Service from Kapuskasing, Ontario, with their titles. Spent some time on the Spanish register after this and in 2021 N47FL with Preferred Airparts.