Air Traffic Briefing Presentation 180821

– SEA is slotted to receive Wake Turbulence Recategorization in October 2018. • Minimal foreseen impact to AAR/ADR due to fleet mix. – Glide Slope angle on 34R of 2.75 degrees was the industry standard when created • Still within current standards of 2.5 – 3 degrees Federal Aviation Administration Four Post System Federal Aviation Administration Four Post System Federal Aviation Administration Four Post System Federal Aviation Administration Fleet Mix Changes In 2005, turboprops accounted for 33% of the aircraft operating at SEA. In 2017, the percentage of turboprop aircraft was 17%. The percentage of aircraft classified as “heavy” have also increased during this timeframe. Federal Aviation Administration SEA Traffic Counts • 1998 – 407,597 • 1999 – 433,660 • 2000 – 445,677 (steady drop 2001 to 2012) • 2012 – 309,597 • 2016 – 412,170 • 2017 – 416,136 (10% increase year over year 2013-2016) • 2018 – projected – 435,000, about 1999 numbers Federal Aviation Administration Thank you.
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