Notice of Intent to Prepare a Supplemental Environmental Impact Statement for Seattle-Tacoma International Airport, Seattle, Washington

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The Northwest Mountain Region of the Federal Aviation Administration (``FAA'') and the Port of Seattle (``Port'') announce that the FAA and the Port, acting as joint lead agencies, intend to prepare a Supplemental Environmental Impact Statement (SEIS) for a proposal by the Port to develop a new parallel runaway and other airport facility improvements to be examined in an update to the Seattle-Tacoma International Airport (Sea-Tac Airport) Master Plan.