ISBN 0-89201-097-5* Essential Air Service documents (Docket OST-1998-4899) from the U.S. Department of Transportation:** Order 2004-5-5 (May 4, 2004): tentatively reselects Alaska Airlines, Inc., to provide subsidized essential air service at Cordova, Gustavus, Petersburg, Wrangell, and Yakutat (southeast) Alaska, for the period from October 1, 2003, through April 30, 2006, at an annual rate of $5,723,008.
:* Essential Air Service documents (Docket Number 2009) from the Министерство транспорта США:** Order 2006-9-22: Selecting Alsek Air Service, Inc. to provide subsidized essential air service at Cape Yakataga and Icy Bay, Alaska, at an annual subsidy rate of $64,510 for the period of November 1, 2006, through October 31, 2008 (flying to/from Yakutat).