North Pacific Airlines North Pacific Airlines North Pacific Airlines was a commuter air carrier formed in 1987 which operated scheduled passenger service on behalf United Airlines via a code sharing agreement as an United Express carrier initially from the Seattle–Tacoma International Airport (SEA) to three destinations in Washington state and also to Portland, Oregon. By 1989, the airline had expanded its route network and was serving fifteen destinations located in Idaho, Montana, Oregon and Washington state (see destination list below). In 1991, the airline, which was owned by WestAir Holding, Inc., was merged with WestAir Commuter Airlines which operated flights in California and
Washington State Route 112 Scenic Byway that covers all of the route. The western end of the highway is also part of the Cape Flattery Tribal Scenic Byway, a state scenic byway that continues onto the Makah reservation to Neah Bay and Cape Flattery. The Washington State Transportation Commission also designated the section of SR 112 that lies west of SR 113 as the Korean Veterans Blue Star Memorial Highway in 2007 and the eastern half as the Vietnam Veterans Memorial Highway in 2008. SR 112 is maintained by the Washington State Department of Transportation (WSDOT), which conducts an annual survey on state highways