Nonstop flight route between Hamilton Island, Queensland, Australia and Georgetown, Ascension Island, Saint Helena:
Departure Airport:

Arrival Airport:

Distance from HTI to ASI:
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- About this route
- HTI Airport Information
- ASI Airport Information
- Facts about HTI
- Facts about ASI
- Map of Nearest Airports to HTI
- List of Nearest Airports to HTI
- Map of Furthest Airports from HTI
- List of Furthest Airports from HTI
- Map of Nearest Airports to ASI
- List of Nearest Airports to ASI
- Map of Furthest Airports from ASI
- List of Furthest Airports from ASI
About this route:
A direct, nonstop flight between Great Barrier Reef Airport (HTI), Hamilton Island, Queensland, Australia and RAF Ascension (ASI), Georgetown, Ascension Island, Saint Helena would travel a Great Circle distance of 10,176 miles (or 16,376 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 Great Barrier Reef Airport and RAF Ascension, 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 Great Barrier Reef Airport and RAF Ascension. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | HTI / YBHM |
Airport Names: |
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Location: | Hamilton Island, Queensland, Australia |
GPS Coordinates: | 20°21'29"S by 148°57'6"E |
Operator/Owner: | Great Barrier Reef Airport Pty Ltd. |
Airport Type: | Public |
Elevation: | 15 feet (5 meters) |
# of Runways: | 1 |
View all routes: | Routes from HTI |
More Information: | HTI Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | ASI / FHAW |
Airport Names: |
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Location: | Georgetown, Ascension Island, Saint Helena |
GPS Coordinates: | 7°58'9"S by 14°23'38"W |
Operator/Owner: | Ministry of Defence |
View all routes: | Routes from ASI |
More Information: | ASI Maps & Info |
Facts about Great Barrier Reef Airport (HTI):
- The furthest airport from Great Barrier Reef Airport (HTI) is Agostinho Neto Airport (NTO), which is located 11,990 miles (19,297 kilometers) away in Ponta do Sol, Santo Antão, Cape Verde.
- Because of Great Barrier Reef Airport's relatively low elevation of 15 feet, planes can take off or land at Great Barrier Reef 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.
- Great Barrier Reef Airport (HTI) currently has only 1 runway.
- The closest airport to Great Barrier Reef Airport (HTI) is Whitsunday Airport (WSY), which is located only 14 miles (22 kilometers) WNW of HTI.
- Great Barrier Reef Airport handled 457,641 passengers last year.
- In addition to being known as "Great Barrier Reef Airport", another name for HTI is "Hamilton Island".
- In the year ending 30 June 2011 the airport handled 457,641 passengers making it the 19th busiest airport in Australia.
Facts about RAF Ascension (ASI):
- In addition to being known as "RAF Ascension", another name for ASI is "Wideawake Airbase/Field".
- The closest airport to RAF Ascension (ASI) is Sasstown Airport (SAZ), which is located 965 miles (1,553 kilometers) NNE of ASI.
- The furthest airport from RAF Ascension (ASI) is Ujae Airport (UJE), which is nearly antipodal to RAF Ascension (meaning RAF Ascension is almost on the exact opposite side of the Earth from Ujae Airport), and is located 12,370 miles (19,907 kilometers) away in Ujae Atoll, Marshall Islands.
- In 1939 Ascension became important as a HF/DF radio station covering trade routes.
- The Target Tracking Radar Station was a Nike Zeus test facility for tracking reentry vehicles from Cape Canaveral missile launches.
- The RAF presence on Ascension is backed up by United States Air Force personnel, who contribute a similar number of service personnel to ensure the effective running of the station, under the command of Captain Eduard Rodriguez, who is responsible to the RAF Station Commander.