Thorne Bay Seaplane Base Seaplane Base
KTB · Thorne Bay, AK · Non-towered
Nearby now
Loading…
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night2026-08-04 · night begins 09:37 PM
| Event | Local (AKDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:15 AM | 12:15Z |
| Sunrise | 05:01 AM | 13:01Z |
| Sunset | 08:50 PM | 04:50Z |
| Evening civil twilight Loggable night begins | 09:37 PM | 05:37Z |
Plan a flight from KTB
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Advisories
NOTAMs
Loading NOTAMs…
Pilot reports
Loading PIREPs…
Airspace hazards
Checking advisories…
Runways
| Runway | Length | Your margin |
|---|---|---|
| NW/SE | 5,000 ft |
Prefer one flat page? Full runway details for KTB → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KTB kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All KTB frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- KTB / KTB
- Coordinates
- 55.6828, -132.5329
- Elevation
- 0 ft MSL
- Magnetic variation
- 26E
- Sectional chart
- KETCHIKAN
- Airport use
- Public
- Control tower
- No
- ARTCC
- ANCHORAGE (ZAN)
- Flight service (FSS)
- KETCHIKAN · 121.5, 122.2, 123.6, 134.45 · 1-800-WX-BRIEF
- NOTAM facility
- KTN
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Airport phone
- 907-225-9481
- Activated
- 1970/04
- Distance from city
- 0 NW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- OPERG AREA IN THORNE BAY.
- BE ALERT SEA OTTERS ALSO USE SPB RAMP/TIE-DOWN AREA.
Nearby airports
Loading nearby conditions…
Also nearby: KXA Kasaan Seaplane Base (10 NM) · 84K Meyers Chuck Seaplane Base (10 NM) · HYL Hollis Clark Bay Seaplane Base (13 NM) · KCC Coffman Cove Seaplane Base (22 NM) · AK62 Naukati Bay Seaplane Base (26 NM)
About KTB
Thorne Bay Seaplane Base (KTB) is a seaplane base in Thorne Bay, AK, at 0 ft MSL. It has 1 runway, the longest 5,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KTB, refreshed from the Aviation Weather Center and FAA NASR.
Does KTB have a control tower?
No. Thorne Bay Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KTB?
Thorne Bay Seaplane Base has 1 runway; the longest is 5,000 ft. See the Runways section for headings, surface, and lighting.
Where is KTB?
Thorne Bay Seaplane Base is in Thorne Bay, AK, at an elevation of 0 ft MSL. Coordinates: 55.6828, -132.5329.
Fly out of KTB often?
Save KTB as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KTB in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.