AirportsThorne Bay Seaplane Base is a seaplane base serving Thorne Bay, in Alaska, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is KTB.
Key facts
- IATA code
- KTB
- ICAO code
- KTB
- City
- Thorne Bay
- State or region
- Alaska
- Country
- United States
- Kind
- Seaplane base
- Coordinates
- 55.6828° N, 132.5329° W
- Elevation
- not listed
- Runways
- 1
- Longest runway
- 1,524 m (5,000 ft)
Airport codes
On a ticket or a baggage tag, KTB means Thorne Bay Seaplane Base. Pilots and air traffic controllers use a different, four-letter ICAO code: KTB. How the two kinds of code differ.
Where it is
The airport lies at 55.6828° N, 132.5329° W.
Runways
Thorne Bay Seaplane Base has 1 runway in the data. The longest is 1,524 metres (5,000 feet). That suits narrow-body jets and regional aircraft. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 497.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| NW/SE | 1,524 m 5,000 ft | 610 m | Water | not listed |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Kasaan Seaplane BaseKasaan | KXA | 18 km |
| Hollis Clark Bay Seaplane BaseHollis | HYL | 23 km |
| Klawock AirportKlawock | KLW | 36 km |
| Coffman Cove Seaplane BaseCoffman Cove | KCC | 41 km |
| Craig Seaplane BaseCraig | CGA | 45 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 10,235 km | 12 h 50 min |
| Mumbai (BOM)India | 11,363 km | 14 h 10 min |
| Dubai (DXB)United Arab Emirates | 10,985 km | 13 h 45 min |
| London Heathrow (LHR)United Kingdom | 7,311 km | 9 h 20 min |
| New York JFK (JFK)United States | 4,509 km | 5 h 55 min |
| Los Angeles (LAX)United States | 2,650 km | 3 h 40 min |
| Singapore (SIN)Singapore | 11,891 km | 14 h 50 min |
| Tokyo Haneda (HND)Japan | 6,681 km | 8 h 35 min |
| Sydney (SYD)Australia | 12,288 km | 15 h 20 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.