North Atlantic Tracks

Common card · No. 221078

The North Atlantic Tracks, officially titled the North Atlantic Organised Track System (NAT-OTS), are a structured set of transatlantic flight routes that stretch from eastern North America to western Europe across the Atlantic Ocean, within the North Atlantic airspace region. They ensure that aircraft are separated over the ocean, where there is little radar coverage. These heavily travelled routes are used by aircraft flying between North America and Europe. While it was formerly required that all aircraft file and fly a NAT to cross the ocean, this is no longer required, though ATC has the right to override a flight plan and require an aircraft to fly a track. The routes are used for aircraft operating between the altitudes of 29,000 and 41,000 ft (8,800 and 12,500 m) inclusive. ATC-assigned altitudes on the NATS are never based on feet or meters: instead, flight levels (FL) are assigned on NATS, just as in other flights above the international transition altitude of 18,000 ft (5,500...

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