KTB

Thorne Bay Seaplane Base

FAA KTB55.6828°N 132.5329°W0 ft / 0 mSeaplane base
On the map

Thorne Bay Seaplane Base (IATA: KTB, FAA: KTB) is a seaplane base in Thorne Bay, Alaska, United States. It opened in Apr 1970. It has one runway, 5,000 ft (1,524 m) long, water. In 2025 it handled 362 passengers.

Timeline

1 event · 1970–1970
APR 1970
OpenedThorne Bay Seaplane Base opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

1 runway
NW/SE
LENGTH5,000 ft1,524 mWIDTH2,000 ft610 mSURFACEWater

Passengers per year

2015–2025
6K
6K
5K
5K
4K
611
808
560
538
544
362
1516171819202122232425

Routes

1 destinations · 1 country
25 km50 km10 mi20 mi30 mi40 miWFB · Ketchikan Harbor Seaplane Base · 40 mi / 65 kmWFBKTB
Most destinationsPacific Airways, Inc. 1Promech Air 1Taquan Air 1

Straight lines are great circles; rings mark true distance from KTB. From the Wikipedia article “Thorne Bay Seaplane Base” (revision of 7 Jul 2026), CC BY-SA 4.0.