Thorne Bay Seaplane Base

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Location

Latitude: 
 55-41-16.6630N (55.687962)
Longitude: 
 132-32-12.0330W (-132.536676)
Elevation: 
 0.0 feet MSL (0 m MSL)
Magnetic Variation: 
 17.5 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -9.0 (Standard Time)
UTC -8.0 (Daylight Savings Time)
From City: 
 00 N.M. NW of Thorne Bay, Alaska
Found On: 
 Ketchikan Chart
FAA Region: 
 AAL

Contacts

Manager: 
Publicly owned: 
SIMON DOYLE, HARBOR MASTER
PO BOX 19110, PO BOX 19110
THORNE BAY, AK 99919-0110
907-204-0815		 CITY OF THORNE BAY
PO BOX 19110, PO BOX 112506
THORNE BAY, AK 99919-0110
(907) 828-3380

Operations

Airport Status: 
 Operational
Facility Use: 
 Public
Type: 
 Seaplane Base
Activation Date: 
 04/1970
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
Unattended
Boundary ARTCC: 
 ZAN (Anchorage)
Responsible ARTCC: 
 ZAN (Anchorage)
Segmented Circle Indicator: 
 No
Traffic Pattern Altitude (MSL): 
 1000 feet (305 m)
NOTAMs Facility: 
 KTN
NOTAM-D Service: 
 Yes
International Airport of Entry: 
 No
Customs Landing Rights: 
 No
Military Landing Rights: 
 No
Civil/Military Joint Use: 
 No

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.900

       

    Fixed Based Operators (FBOs) & Fuel

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    Area Code: 907
    Business Name Frequency Phone Fuel Grade
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    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    FSS Name (ID):  Ketchikan(KTN) Juneau (JNU)
    Frequency: 
    Toll Free Phone:  LC225-9481 1-866-297-2236

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near KTB

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    19.4 Klawock Airport
    (KLW PAKW AKW)    		 250 233 100LL, Jet A
    24.2 Craig Seaplane Base
    (CGA CGA)    		 239 222 100LL
    34.5 Ketchikan International Airport
    (KTN PAKT KTN)    		 125 108 100LL, Jet A
    48.1 Wrangell Airport
    (WRG PAWG WRG)    		 6 348 100LL, Jet A
    68.2 Petersburg James A Johnson Airport
    (PSG PAPG PSG)    		 348 330 100, Jet A
    89.9 Saginaw Seaplane Base
    (SGW A23)    		 323 305 100LL

    Notices to Airmen (NOTAMS)

    NOTAMs

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    NOTAMS within

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    NM of KTB

    NOTAM Flight Path Search (Enter from two to five locations below)

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    NM of KTB

    Remarks

    A110-1 OPERG AREA IN THORNE BAY.
    A110-4 BE ALERT SEA OTTERS ALSO USE SPB RAMP/TIE-DOWN AREA.

    Runways

    Runway Summary

    Runways: NW/SE
    Longest Runway: NW/SE is 5000 ft (1524 m) long
    Runways with an Instrument Approach:

    KTB Seaplane Base Runway Details

    Waterway NW/SE  5000 ft x 2000 ft (1524 m x 610 m)
    Surface:  Water - No special surface treatment

    Waterway NW

    Runway SE
    Elevation: 
    		 0.0 0.0
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Left Left
    Runway Markings Type: 
    		 None None

    Services

    Fuel Available: 
    		 100LL
    Landing Fees: 
    		 No

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    Maps & Diagrams

    KTB Sectional

    Flight Planning
    at skyvector.com

    KTB Diagram


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