Keystone Air Service
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| Founded | 1985 | ||||||
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| Ceased operations | 2015 | ||||||
| Hubs | St. Andrews Airport | ||||||
| Focus cities | St Andrews, Manitoba and Winnipeg | ||||||
| Fleet size | 6 | ||||||
| Destinations | Anywhere in North America (Canada and continental United States); as far north as Alert, Nunavut | ||||||
| Headquarters | Winnipeg, Manitoba | ||||||
| Key people | Cliff Arlt - President | ||||||
| Website | http://www.keystoneair.mb.ca | ||||||
Keystone Air Service Ltd. was an airline that served Manitoba, Canada, with charter services to anywhere in North America. Keystone had been flying since 1985 and provided air charter service to as far north as Alert, Nunavut. In 2015 merged into Wings over Kississing.