ASUs are used for starting aircraft engines equipped with pneumatic starter. It supplies necessary quantity of air at specified pressure through onetwo or three hoses attached to the aircraft's under belly. MAK design and manufacture ASUs from 100PPM to 400PPM (customized units can be made to order). MAK ASUs are under operation with major commercial airlines and military organizations across the globe. MAK has supplied custom designed ASU’s for endurance testing of world’s largest aircraft engine