Transport Canada has published the long-awaited Advisory Circular that outlines the consultation process for aerodrome development. The Advisory Circular, 307-001 is the result of new regulations that came into force January 1, 2017, that require proponents to consult relevant stakeholders for prescribed works, including: new aerodrome constructions or the lengthening of a runway by the greater of 100m or 10 percent. The new Advisory Circular is available on Transport Canada’s website: