Nonstop flight route between Fort Sill, Oklahoma, United States and Glens Falls, New York, United States:
Departure Airport:

Arrival Airport:

Distance from FSI to GFL:
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- About this route
- FSI Airport Information
- GFL Airport Information
- Facts about FSI
- Facts about GFL
- Map of Nearest Airports to FSI
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- Map of Furthest Airports from FSI
- List of Furthest Airports from FSI
- Map of Nearest Airports to GFL
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- List of Furthest Airports from GFL
About this route:
A direct, nonstop flight between Henry Post Army Airfield (FSI), Fort Sill, Oklahoma, United States and Floyd Bennett Memorial Airport (GFL), Glens Falls, New York, United States would travel a Great Circle distance of 1,453 miles (or 2,339 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 Henry Post Army Airfield and Floyd Bennett Memorial Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | FSI / KFSI |
Airport Name: | Henry Post Army Airfield |
Location: | Fort Sill, Oklahoma, United States |
GPS Coordinates: | 34°38'58"N by 98°24'7"W |
Operator/Owner: | U.S. Army ATCA-ASO |
Airport Type: | Military |
Elevation: | 1189 feet (362 meters) |
# of Runways: | 1 |
View all routes: | Routes from FSI |
More Information: | FSI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | GFL / KGFL |
Airport Name: | Floyd Bennett Memorial Airport |
Location: | Glens Falls, New York, United States |
GPS Coordinates: | 43°20'27"N by 73°36'37"W |
Area Served: | Glens Falls, New York |
Operator/Owner: | Warren County |
Airport Type: | Public |
Elevation: | 328 feet (100 meters) |
# of Runways: | 2 |
View all routes: | Routes from GFL |
More Information: | GFL Maps & Info |
Facts about Henry Post Army Airfield (FSI):
- Henry Post Army Airfield was the first home of all Army Aviation Training after World War II before moving to Fort Rucker, Alabama in 1954.
- Henry Post Army Airfield (FSI) currently has only 1 runway.
- There are no air units currently stationed at the airfield, however air operations for transient units are provided by permanent party personnel.
- The field was named in honor of pioneer aviator 2d Lieutenant Henry Post.
- The Fort Sill Army Radar Approach Control is the Army's Second busiest Air Traffic Control Facility, providing Radar Approach Control service to Henry Post Army Air Field, Lawton/Fort Sill Regional Airport, Duncan/Haliburton Airport and many smaller airports in the area.
- By the late 1920s, the World War I tarpaper buildings were rotting and turning into fire hazards.
- The furthest airport from Henry Post Army Airfield (FSI) is Sir Gaëtan Duval Airport (RRG), which is located 10,920 miles (17,575 kilometers) away in Rodrigues Island, Mauritius.
- Although the Signal corps had been supplying Observation aircraft for the United States Army Field Artillery School since 1915.
- The closest airport to Henry Post Army Airfield (FSI) is Lawton–Fort Sill Regional Airport (LAW), which is located only 6 miles (9 kilometers) S of FSI.
- With the sudden end of World War I in November 1918, the future operational status of Post Field was unknown.
- After returning from combat duty in France, a cadre of the 135th Aero Squadron ) was assigned to Post Field as an observation squadron, supplying aircraft for the United States Army Field Artillery School at Fort Sill and supported Army units at Fort Leavenworth, Kansas.
Facts about Floyd Bennett Memorial Airport (GFL):
- Floyd Bennett Memorial Airport covers an area of 628 acres at an elevation of 328 feet above mean sea level.
- The closest airport to Floyd Bennett Memorial Airport (GFL) is Granville Airport (GFR), which is located only 18 miles (29 kilometers) ENE of GFL.
- The furthest airport from Floyd Bennett Memorial Airport (GFL) is Margaret River Airport (MGV), which is located 11,635 miles (18,725 kilometers) away in Margaret River, Western Australia, Australia.
- On November 19, 1969, Mohawk Airlines Flight 411 crashed into Pilot Knob Mountain while attempting to land at the conclusion of a flight from Albany.
- Floyd Bennett Memorial Airport (GFL) has 2 runways.
- The north-facing runway 1 is equipped with an instrument landing system and a medium intensity approach lighting system with runway alignment lights.
- The annual Adirondack Balloon Festival is held at this airport.
- Because of Floyd Bennett Memorial Airport's relatively low elevation of 328 feet, planes can take off or land at Floyd Bennett Memorial 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.