Keystone Air Service

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.

[2] Anywhere in North America[citation needed] The Keystone Air Service fleet included: (8 in executive)