The Basic Air Brakes Microcredential is comprised of 9 online learning modules covering basic air brakes principles in the heavy truck and equipment industry. Earners of the Air Brakes Microcredential will develop air brake circuit and component knowledge needed to effectively operate and maintain air brakes, service brakes, and park brakes. This Microcredential will give you the confidence to work in a rewarding and challenging field, and set yourself apart in the job market.