Nonstop flight route between Atwater, California, United States and Moser Bay, Kodiak Island Borough, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from MER to KMY:
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- About this route
- MER Airport Information
- KMY Airport Information
- Facts about MER
- Facts about KMY
- Map of Nearest Airports to MER
- List of Nearest Airports to MER
- Map of Furthest Airports from MER
- List of Furthest Airports from MER
- Map of Nearest Airports to KMY
- List of Nearest Airports to KMY
- Map of Furthest Airports from KMY
- List of Furthest Airports from KMY
About this route:
A direct, nonstop flight between Castle Airport (MER), Atwater, California, United States and Moser Bay Seaplane Base (KMY), Moser Bay, Kodiak Island Borough, Alaska, United States would travel a Great Circle distance of 2,044 miles (or 3,290 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 Castle Airport and Moser Bay Seaplane Base, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | MER / KMER |
Airport Name: | Castle Airport |
Location: | Atwater, California, United States |
GPS Coordinates: | 37°22'50"N by 120°34'5"W |
Operator/Owner: | Merced County Department of Commerce, Aviation, and Economic Development |
Airport Type: | Public |
Elevation: | 191 feet (58 meters) |
# of Runways: | 1 |
View all routes: | Routes from MER |
More Information: | MER Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | KMY / |
Airport Name: | Moser Bay Seaplane Base |
Location: | Moser Bay, Kodiak Island Borough, Alaska, United States |
GPS Coordinates: | 57°1'32"N by 154°8'44"W |
Area Served: | Moser Bay, Alaska |
Operator/Owner: | Columbia Ward Fisheries |
Airport Type: | Public use |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from KMY |
More Information: | KMY Maps & Info |
Facts about Castle Airport (MER):
- Because of Castle Airport's relatively low elevation of 191 feet, planes can take off or land at Castle 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.
- Castle Airport (MER) currently has only 1 runway.
- Since the mid-1940s, aircraft maintenance, fuel management, and fire training activities on the base have generated wastes that consist primarily of waste fuels, oils, solvents, and cleaners.
- It was estimated that the cost to relocate the 129 RQW to Castle, to include associated military construction costs, could be recouped in seven years.
- EPA investigations have been completed at multiple areas of contamination including landfills, discharge areas, chemical disposal areas, fire training areas, fuel spill areas, and polychlorinated biphenyl spill areas.
- It serves one school, Sierra Academy of Aeronautics, which specializes in training foreign pilots, from the People's Republic of China.
- The EPA currently has this base listed on their database due to the bulk wastes such as solvents, oils, fuels, and sludges which were disposed in pits at landfills around the base until 1977.
- The furthest airport from Castle Airport (MER) is Tôlanaro Airport (FTU), which is located 11,312 miles (18,204 kilometers) away in Tôlanaro, Madagascar.
- Castle Airport covers an area of 1,360 acres which contains one runway with an 11,802 x 150 ft asphalt and concrete pavement.
- The closest airport to Castle Airport (MER) is Merced Regional Airport (MCE), which is located only 7 miles (12 kilometers) SSE of MER.
Facts about Moser Bay Seaplane Base (KMY):
- The closest airport to Moser Bay Seaplane Base (KMY) is Akhiok Airport (AKK), which is located only 6 miles (10 kilometers) SSW of KMY.
- Moser Bay Seaplane Base (KMY) currently has only 1 runway.
- Moser Bay Seaplane Base has one seaplane landing area designated N/S with a water surface measuring 10,000 by 1,000 feet.
- The furthest airport from Moser Bay Seaplane Base (KMY) is Port Elizabeth International Airport (PLZ), which is located 10,845 miles (17,453 kilometers) away in Port Elizabeth, South Africa.
- Because of Moser Bay Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Moser Bay 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.