The FAA has released a list of air traffic control facilities that could close with Sequestration, which is due to take effect March 1.
The following facilities in Washington State are on the list:
ALW Walla Walla Regional Walla Walla WA
MWH Grant County International Moses Lake WA
OLM Olympia Regional Olympia WA
PAE Snohomish County Airport (Paine Field) Everett WA
RNT Renton Municipal Renton WA
SFF Felts Field Spokane WA
TIW Tacoma Narrows Tacoma WA
YKM Yakima Air Terminal/McAllister Field Yakima WA
Additionally, the over night shifts in the following control towers are at risk:
BFI Boeing Tower Seattle WA
GEG Spokane Tower Spokane WA
The FAA warns that passengers at TSA lines could be up to three hours and tarmac delays at major hub airports could be up to 90 minutes.