Canadian Aviation Regulations

303.03 (1) The operator of a designated airport shall provide the aircraft fire-fighting vehicles and the personnel required pursuant to this Subpart to respond to an aircraft emergency at the airport.

(2) The operator of a participating airport or aerodrome shall provide the aircraft fire-fighting vehicles and the personnel required pursuant to this Subpart that correspond to the critical category for fire-fighting published in the Canada Flight Supplement to respond to an aircraft emergency at the airport or aerodrome.