7b 
Seattle-Tacoma International Airport 
Part 150 Update

Updated Noise Remedy Boundary

Continuing Programs With Some
Modifications 
Single-family sound
insulation within the
new noise remedy
boundary 
Multi-family owner
occupied sound
insulation within the
new noise remedy
boundary

Continuing Programs With Some
Modifications 
Fly Quiet Program modifications 
Noise Monitoring and Flight Tracking System
upgrades

Continuing Programs With Some
Modifications 
Voluntary acquisition of
residential homes within
the South Approach
Transition Zone (ATZ)
for the 3rd runway. 

South ATZ 
N

Continuing Programs With Some
Modifications 
Engine Testing Maintenance Run-Up Regulations  modify to
include Ground Run-Up Enclosure (GRE) when built.

Continuing Programs with No
Modifications 
Property Advisory Service: Provide residents and property owners
with information concerning noise programs and options for
mitigation. 
Local Government Remedy Support: Encourage the local
jurisdictions to undertake projects, provide services, and adopt laws
that reinforce neighborhoods and make them more compatible with
airport operations. 
Funding for Land Use and Noise Compatibility Planning: Assist
local public agencies with noise compatibility planning efforts. 
Prepare Cooperative Development Agreements: Continue to
address development potentials within local jurisdictions. 
Explore Limited Rescheduling of Nighttime Flights: This measure
involves the voluntary rescheduling of aircraft flight times of
nighttime short haul flights.

Continuing Programs with No
Modifications 
Use VOR Radials to Curb Aircraft Drifting from Noise Abatement
Tracks: This measure uses navigational aids to improve noise
abatement corridor compliance. 
Preferential Runway Use: This measure implemented a preferential
runway system during the nighttime hours for operations through the
north flow nighttime noise abatement corridor. 
Use of Flight Management System Procedures: This measure is
designed to encourage the use of FMS procedures to improve noise
abatement corridor compliance. 
Use of Ground Equipment: This measure recommends the
installation of power and conditioned air in existing and newly
constructed gates to minimize the use of aircraft auxiliary power
units.

Continuing Programs with No 
Modifications 
Insulation of Schools: Continue the sound insulation program for
schools that were previously identified as eligible in the Highline
School District as well as Highline Community College, as funding
permits.

New Measures 

Multi-family tenant occupied insulation
(apartments) - pilot project 
Purchase of avigation easements on individual
parcels with mobile/manufactured homes - pilot
project 
Churches and Places of Worship Sound
Insulation - feasibility study 
Establish feasible locations for a Ground Run-up
Enclosure (GRE)

Reviewed Locations for a GRE 


E
A             B 
X 
D 
X C                                              X F 

Potential GRE Locations

Program Management Measures 
Replace and Upgrade Noise Monitoring and
Flight Tracking System 
Periodically Review and if Necessary, Update
the Noise Exposure Maps (NEM's) and the
Noise Compatibly Program (NCP) 
Continue to Operate the Noise Programs Office

Public Hearing/Comment Period 
Published Draft Part 150 and SEPA documents and began 45 day
comment period  April 15, 2013 
Public Hearing for Part 150 and SEPA  May 15, 2013 
Comment Period - April 15 through - May 30, 2013 
Received 70+ comments 
General noise 
Abatement 
Land mitigation 
Program management 
Part 150 process 
Environmental 
Other 
Responses to comments are in the Final Part 150 document

Next Steps 
Tentative Dates 
October 1, 2013 - Commission first reading of resolution 
October 8, 2013 - Commission second reading and adoption of
resolution 
October 14, 2013 - Submit Final Part 150 to FAA for approval 
FAA may take up to 8 months to issue a Record of Approval

Project Implementation 
Projects are dependent on: 
FAA approval of each proposed mitigation item 
Port Commission approval of proposed mitigation items 
FAA Airport Improvement Program (AIP) grant funding
availability (up to 80% of eligible costs) 
Port of Seattle (airport) 20% or more matching funds 
Project implementation can begin: 
After the FAA issues the Record of Approval 
Once an FAA grant is approved and received 
Project specifics have been developed

Thank you