Nonstop flight route between Seward, Alaska, United States and Barter Island, Alaska, United States:

About this route:

A direct, nonstop flight between Seward Airport (SWD), Seward, Alaska, United States and Barter Island LRRS Airport (BTI), Barter Island, Alaska, United States would travel a Great Circle distance of 711 miles (or 1,144 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Seward Airport and Barter Island LRRS Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

Arrival Airport Information:

Facts about Seward Airport (SWD):

• The furthest airport from Seward Airport (SWD) is Port Elizabeth International Airport (PLZ), which is located 10,617 miles (17,086 kilometers) away in Port Elizabeth, South Africa.
• Because of Seward Airport's relatively low elevation of 22 feet, planes can take off or land at Seward Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• The closest airport to Seward Airport (SWD) is Chenega Bay Airport (NCN), which is located 49 miles (79 kilometers) E of SWD.
• Seward Airport covers an area of 302 acres at an elevation of 22 feet above mean sea level.
• Seward Airport is a state-owned, public-use airport located two nautical miles northeast of the central business district of Seward, a city in Kenai Peninsula Borough of the U.S.
• Seward Airport (SWD) has 2 runways.

Facts about Barter Island LRRS Airport (BTI):

• Barter Island LRRS Airport (BTI) currently has only 1 runway.
• The furthest airport from Barter Island LRRS Airport (BTI) is Teniente Rodolfo Marsh Airport (TNM), which is located 10,003 miles (16,099 kilometers) away in Villa Las Estrellas, Antarctica.
• Because of Barter Island LRRS Airport's relatively low elevation of 2 feet, planes can take off or land at Barter Island LRRS Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• The closest airport to Barter Island LRRS Airport (BTI) is Deadhorse Airport (SCC), which is located 115 miles (184 kilometers) W of BTI.
• Barter Island controlled nine manned stations, four of them being classified as "auxiliary" sites and five "intermediate" stations.
• In addition to being known as "Barter Island LRRS Airport", another name for BTI is "Barter Island LRRS BAR-MAIN".
• The radar station was upgraded with an AN/FPS-117 minimally attended Long Range surveillance radar in the winter of 1990.
• Each of the sites was staffed by civilian contract workers who had signed 18-month contracts, although they were visited by Air Force military personnel frequently.
• With the signing of the North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the North Warning System of today.