Final answer:
NAV CANADA provides Air Traffic Control (ATC) services, which oversee aircraft and vehicle movements in the manoeuvring area at airports like YVR, ensuring safety and coordination of flights.
Step-by-step explanation:
The service provided by NAV CANADA, which controls aircraft and vehicle movements in the manoeuvring area with the ATC unit located in the control tower at YVR (Vancouver International Airport), is known as Air Traffic Control (ATC). The role of ATC is to manage the safe and orderly flow of aircraft both in the sky and on the ground. This includes providing clearance for aircraft to take off or land, guiding aircraft through controlled airspace, and ensuring that aircraft are at safe distances from each other.
The question asked relates to the operations and responsibilities at a specific major Canadian airport (YVR), emphasizing the importance of air traffic control in managing aircraft movements effectively. This is crucial for maintaining safety standards essential for the aviation industry.