Nonstop flight route between Hyder, Alaska, United States and Alpena, Michigan, United States:
Departure Airport:

Arrival Airport:

Distance from WHD to APN:
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- About this route
- WHD Airport Information
- APN Airport Information
- Facts about WHD
- Facts about APN
- Map of Nearest Airports to WHD
- List of Nearest Airports to WHD
- Map of Furthest Airports from WHD
- List of Furthest Airports from WHD
- Map of Nearest Airports to APN
- List of Nearest Airports to APN
- Map of Furthest Airports from APN
- List of Furthest Airports from APN
About this route:
A direct, nonstop flight between Hyder Seaplane Base (WHD), Hyder, Alaska, United States and Alpena County Regional Airport (APN), Alpena, Michigan, United States would travel a Great Circle distance of 2,127 miles (or 3,423 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 Hyder Seaplane Base and Alpena County Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | WHD / |
Airport Names: |
|
Location: | Hyder, Alaska, United States |
GPS Coordinates: | 55°54'11"N by 130°0'24"W |
Area Served: | Hyder, Alaska |
Operator/Owner: | Alaska DOT&PF - Southeast Region |
Airport Type: | Public |
Elevation: | 0 feet (0 meters) |
# of Runways: | 1 |
View all routes: | Routes from WHD |
More Information: | WHD Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | APN / KAPN |
Airport Name: | Alpena County Regional Airport |
Location: | Alpena, Michigan, United States |
GPS Coordinates: | 45°4'41"N by 83°33'37"W |
Area Served: | Alpena, Michigan |
Operator/Owner: | County of Alpena |
Airport Type: | Public |
Elevation: | 690 feet (210 meters) |
# of Runways: | 2 |
View all routes: | Routes from APN |
More Information: | APN Maps & Info |
Facts about Hyder Seaplane Base (WHD):
- Hyder Seaplane Base (WHD) currently has only 1 runway.
- The closest airport to Hyder Seaplane Base (WHD) is Stewart Aerodrome (ZST), which is located only 2 miles (4 kilometers) NNE of WHD.
- There are two floats for seaplanes, one along the shoreline and another within a protected cove with a concrete launch ramp.
- In addition to being known as "Hyder Seaplane Base", another name for WHD is "4Z7".
- Because of Hyder Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Hyder 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 Hyder Seaplane Base (WHD) is Port Alfred Airport (AFD), which is located 10,540 miles (16,962 kilometers) away in Port Alfred, South Africa.
Facts about Alpena County Regional Airport (APN):
- The furthest airport from Alpena County Regional Airport (APN) is Margaret River Airport (MGV), which is located 11,184 miles (17,999 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Alpena County Regional Airport's relatively low elevation of 690 feet, planes can take off or land at Alpena County Regional 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.
- Alpena County Regional Airport (APN) has 2 runways.
- It is said to be the "Proud home of Alpena Combat Readiness Training Center," the host unit of the Michigan Air National Guard's Alpena Air National Guard Base.
- The closest airport to Alpena County Regional Airport (APN) is Oscoda-Wurtsmith Airport (OSC), which is located 44 miles (71 kilometers) S of APN.
- Alpena County Regional Airport covers an area of 3,084 acres at an elevation of 690 feet above mean sea level.
- As per Federal Aviation Administration records, the airport had 7,519 passenger boardings in calendar year 2008, 7,638 enplanements in 2009, and 8,737 in 2010.