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

New Measures 

Multi-family tenant occupied insulation
(apartments) 
Purchase of avigation easements on individual
parcels with mobile/manufactured homes 
Establish feasible locations for a Ground Run-up
Enclosure (GRE)

Reviewed Locations for a GRE 


E
A         B 
X 
D 
X C                               X F 

Refined GRE Locations

Next Steps 
Publish draft Part 150 document and begin 45 day comment period
First Quarter 2013 
Public Hearing  First Quarter 2013 
Technical Review Committee (TRC) meeting  First Quarter 2013 
Commission adopts final Part 150 First / Second Quarter 2013 
Submit final Part 150 to FAA for approval Second Quarter 2013 
FAA may take up to 8 months to issue a Receive Record of
Approval  1st Quarter 2014

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