Noise Abatement Procedures

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Noise abatement procedures are voluntary and designed to minimize exposure of residential areas to aircraft noise, while ensuring safety of flight operations. There are communities surrounding the airport which are noise sensitive. We want to minimize the noise impacts on these communities. The procedures described herein are intended for noise abatement procedures and are subject to air traffic control (ATC) and pilot discretion for reasons of safety.

To contact airport operations regarding a specific noise incident or to express your concerns about aircraft noise in general, call the Noise Hotline at 425-284-0500 or fill out our online form.

View or download a full copy of our Traffic Area Map and Noise Abatement Procedures (PDF) brochure in PDF format.

Small Propeller Aircraft

(Single and twin engine under 12,500 pounds)

  • Avoid overflights of school sites (shown on map (PDF))
  • Aircraft with engines rated over 250 total horsepower are requested to use Runway 16R-34L except itinerant operations as noted below


  • Itinerant arrivals and low approaches of small aircraft over 250 horsepower are authorized on Runways 16L and 34R
  • Enter Class D Airspace from the suggested reporting points as shown on the map at or above 1600' MSL
  • Runway 16R-34L, Runway 16L-34R: Remain as high as practical until intercepting the VASI, PAPI or glide slope unless otherwise directed by ATC


  • Itinerant departures allowed on Runway 34R with ATC permission
  • On initial climb-out, fly runway heading to 1100' MSL or higher before turning, unless otherwise directed by ATC
  • Runway 16L-34R: Avoid intersection departures
  • Maintain 1600' MSL or higher until leaving the Class D Airspace

Jet, Turboprop, & Large Propeller Aircraft

Noise abatement procedures in effect unless directed otherwise by ATC.

Use Runway 16R-34L

  • Touch and go operations and repetitive training flights are discouraged
  • Runway 34L departures are discouraged in calm wind conditions


  • Standard NBAA/Aircraft Operating Manual noise abatement procedures should be used
  • Practice IFR approaches during VMC
  • Circle to land maneuvers are discouraged
  • Missed approach instructions will be assigned by ATC

VFR Approaches

  • Downwind should be flown mid-channel

Departures (IFR or VFR)

  • Intersection takeoffs are discouraged
  • Standard NBAA/Aircraft Operating Manual noise abatement procedures should be used
  • Runway 34L: Avoid turns before reaching the shoreline at 2.5 DME
  • Runway 16R: Avoid turns until reaching 3000' MSL

Rotary Wing Aircraft

  • Military-Contact Airport Operations for military procedures.
  • Civilian- Contact Air Traffic Control for takeoff and landing procedures.

Operations With Air Traffic Control Tower Closed

  • Announce intentions on CTAF 132.95
  • Runway 16L-34R closed
  • Caution for converging traffic on base to final legs to Runway 16R - 34L
  • Large aircraft fly a west pattern to 16R or 34L over the water
  • Small aircraft fly east pattern on 16R or 34L
  • Intersection departures and repetitive training operations are discouraged
  • PPR for Air Carrier Aircraft 2100-0700 local (425-388-5110 or 425-353-1606)

Additional Information