Thorne Bay Seaplane Base

KTB · Thorne Bay, AK · Non-towered · Open on the map

Elevation
0 ft MSL
Longest runway
5,000 ft NW/SE
Runway
1
Mag var
26E

Nearby now

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Weather

METAR observed

No weather station at KTB. Nearby reporting stations: PAKW (19 NM), PAHY (31 NM), PAKT (34 NM).

TAF forecast

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Sun & FAA night2026-09-18 · night begins 07:37 PM
EventLocal (AKDT)UTC
Morning civil twilight
Loggable night ends
05:51 AM13:51Z
Sunrise06:28 AM14:28Z
Sunset07:00 PM03:00Z
Evening civil twilight
Loggable night begins
07:37 PM03:37Z
Loggable night (§1.1)
07:37 PM → 05:51 AM
Night currency (§61.57)
08:00 PM → 05:28 AM

Plan a flight from KTB

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

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

CTAF
122.9

Source: FAA NASR (current 28-day cycle).

Prefer one flat list? All KTB frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
KTB
Coordinates
55.6880, -132.5367
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
Owner
CITY OF THORNE BAY
PO BOX 19110, PO BOX 112506, THORNE BAY, AK
(907) 828-3380
Manager
SIMON DOYLE, HARBOR MASTER
PO BOX 19110, PO BOX 19110, THORNE BAY, AK
907-204-0815
Remarks FAA · 2 notes

General

  • OPERG AREA IN THORNE BAY.
  • BE ALERT SEA OTTERS ALSO USE SPB RAMP/TIE-DOWN AREA.

Nearby airports

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Also nearby: 84K Meyers Chuck (10 NM) · KXA Kasaan (10 NM) · HYL Clark Bay (12 NM) · PAKC Coffman Cove (22 NM) · CGA Craig (24 NM)

About KTB

Thorne Bay (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 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 has 1 runway; the longest is 5,000 ft. See the Runways section for headings, surface, and lighting.

Where is KTB?

Thorne Bay is in Thorne Bay, AK, at an elevation of 0 ft MSL. Coordinates: 55.6880, -132.5367.

More about KTB

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.

Something here wrong or out of date? Report a data problem.