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Noise Abatement Procedures for Jets - North Flow Daytime

North flow: daytime between 6:00 a.m. – 10:00 p.m.

North Flows Arrivals (red) and Departures (green)

aircraft departing to the north our the duwamish industrial corridor with arrivials coming in from the south of Seatac airportArriving jet aircraft execute final turns before entering the narrow 5 nautical mile (nm) corridor extending from the runways.

Departing jet aircraft are confined to a narrow corridor and can turn east once they reach 8 nautical miles and at least 4,000 feet in altitude. Jet aircraft turning to the west must continue north over the Duwamish industrial area before initiating their turns.