As used in this article, the term:

(1) "Airport" means any airport located in this state which has regularly scheduled commercial air carrier service or commuter airline service as required for certification under Section 139.49 of the Federal Aviation Administration regulations.

(2) "Airport firefighter" means any person assigned to any airport located in this state who performs the duties of fire fighting, rescue, fire inspection, or any other duties normally associated with airport fire suppression or fire safety.