Nonstop flight route between Chatham, Alaska, United States and St Athan, Wales, United Kingdom:

About this route:

A direct, nonstop flight between Chatham Seaplane Base (CYM), Chatham, Alaska, United States and MoD St Athan (DGX), St Athan, Wales, United Kingdom would travel a Great Circle distance of 4,427 miles (or 7,125 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 large distance between Chatham Seaplane Base and MoD St Athan, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Chatham Seaplane Base and MoD St Athan. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Chatham Seaplane Base (CYM):

• Because of Chatham Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Chatham Seaplane Base 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 furthest airport from Chatham Seaplane Base (CYM) is Port Alfred Airport (AFD), which is located 10,576 miles (17,020 kilometers) away in Port Alfred, South Africa.
• Chatham Seaplane Base (CYM) currently has only 1 runway.
• The closest airport to Chatham Seaplane Base (CYM) is Angoon Seaplane Base (AGN), which is located only 13 miles (22 kilometers) E of CYM.

Facts about MoD St Athan (DGX):

• The furthest airport from MoD St Athan (DGX) is Dunedin International Airport (DUD), which is located 11,960 miles (19,248 kilometers) away in Dunedin, Otago, New Zealand.
• St Athan also became the major RAF maintenance base for Vulcan, Victor, Buccaner, Phantom, Harrier, Tornado, Jaguar, Hawk and VC10 aircraft, originally under direct RAF control, but latterly under the auspices of the Defence Aviation Repair Agency.
• The closest airport to MoD St Athan (DGX) is Cardiff Airport (CWL), which is located only 4 miles (6 kilometers) E of DGX.
• Because of MoD St Athan's relatively low elevation of 163 feet, planes can take off or land at MoD St Athan 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.
• Just before 1100 GMT on 11 February 2009, two Grob Tutor aircraft flying out of St Athan were involved in a mid-air collision in which two Air Training Corps cadets and their instructors, both RAF pilots, died.
• MoD St Athan (DGX) currently has only 1 runway.
• In 2009 building work was due to commence on a new defence training academy with its heart at St Athan.
• The last aircraft to be serviced at St Athan, a Vickers VC10, departed the site on 23 February 2012.
• In 2006, the Special Forces Support Group was raised at St Athan and the Welsh Guards returned to London.
• MOD St Athan is a large Ministry of Defence unit near the village of St Athan in the Vale of Glamorgan, southern Wales.