Nonstop flight route between Tacoma, Washington, United States and Tresco, Isles of Scilly, United Kingdom:
Departure Airport:

Arrival Airport:

Distance from GRF to TSO:
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- About this route
- GRF Airport Information
- TSO Airport Information
- Facts about GRF
- Facts about TSO
- Map of Nearest Airports to GRF
- List of Nearest Airports to GRF
- Map of Furthest Airports from GRF
- List of Furthest Airports from GRF
- Map of Nearest Airports to TSO
- List of Nearest Airports to TSO
- Map of Furthest Airports from TSO
- List of Furthest Airports from TSO
About this route:
A direct, nonstop flight between Gray Army Airfield (GRF), Tacoma, Washington, United States and Tresco Heliport (TSO), Tresco, Isles of Scilly, United Kingdom would travel a Great Circle distance of 4,732 miles (or 7,615 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 Gray Army Airfield and Tresco Heliport, 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 Gray Army Airfield and Tresco Heliport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | GRF / KGRF |
Airport Names: |
|
Location: | Tacoma, Washington, United States |
GPS Coordinates: | 47°4'45"N by 122°34'50"W |
Operator/Owner: | U.S. Army ATCA-ASO |
Airport Type: | Military |
Elevation: | 300 feet (91 meters) |
# of Runways: | 1 |
View all routes: | Routes from GRF |
More Information: | GRF Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | TSO / EGHT |
Airport Name: | Tresco Heliport |
Location: | Tresco, Isles of Scilly, United Kingdom |
GPS Coordinates: | 49°56'44"N by 6°19'53"W |
Operator/Owner: | Tresco Estates |
Airport Type: | Public |
Elevation: | 20 feet (6 meters) |
View all routes: | Routes from TSO |
More Information: | TSO Maps & Info |
Facts about Gray Army Airfield (GRF):
- The 9th Cavalry Brigade in the 1980s developed air-assault strategies with their AH-1 Cobra helicopters based upon experiences learned in Vietnam.
- In addition to being known as "Gray Army Airfield", another name for GRF is "(Joint Base Lewis-McChord)".
- The closest airport to Gray Army Airfield (GRF) is McChord Field/McChord AFB (TCM), which is located only 6 miles (10 kilometers) NE of GRF.
- After the Korean War, the 2d Aviation Company, of the 2d Infantry Division, which had been the first helicopter unit in Korea, returned to Fort Lewis with observation/spotter aircraft L-19 Bird Dogs, and L-20 Beavers, as well as H-23 Raven helicopters.
- The field is named in honor of Captain Lawrence C.
- The 1938 construction included two paved runways, a boiler plant, headquarters building, metal balloon hangar, six-plane hangar, corrugated-iron hangar, storehouse, flight-surgeon office, and film-storage building.
- Used to support Fort Lewis, Army helicopters assisted with medical evacuations at Mount Rainier National Park on numerous occasions in the 1970s.
- Because of Gray Army Airfield's relatively low elevation of 300 feet, planes can take off or land at Gray Army Airfield 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 Army Air Force closed its facilities in 1947.
- During the Vietnam War, GAAF not only trained helicopter units, but fixed-wing aircraft units as well.
- The furthest airport from Gray Army Airfield (GRF) is Tôlanaro Airport (FTU), which is located 10,809 miles (17,395 kilometers) away in Tôlanaro, Madagascar.
- Gray Army Airfield (GRF) currently has only 1 runway.
Facts about Tresco Heliport (TSO):
- The furthest airport from Tresco Heliport (TSO) is Dunedin International Airport (DUD), which is nearly antipodal to Tresco Heliport (meaning Tresco Heliport is almost on the exact opposite side of the Earth from Dunedin International Airport), and is located 12,116 miles (19,499 kilometers) away in Dunedin, Otago, New Zealand.
- The closest airport to Tresco Heliport (TSO) is St Mary's Airport (ISC), which is located only 3 miles (5 kilometers) SE of TSO.
- Tresco Heliport was a heliport located on the island of Tresco, in the Isles of Scilly off the southwest coast of England, UK.
- Because of Tresco Heliport's relatively low elevation of 20 feet, planes can take off or land at Tresco Heliport 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.
- Tresco's principal industry is tourism, and the heliport supported this by enabling scheduled helicopter service to and from the mainland.