North Atlantic Skies

Every day, between two and three thousand aircraft fly across the North Atlantic between Canada, the United States and Europe. Airspace across the North Atlantic is divided into six Oceanic Control Areas (or OCAs). These OCAs are controlled by Air Navigation Service Providers (ANSPs) working at different locations in different Countries. NATS, working with the IAA (Irish Aviation Authority), is responsible for providing the air traffic control service to the Shanwick OCA. The IAA service is provided from S