Tanglefoot Seaplane Base

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Location

Latitude: 
48-32-20.0000N (48.538889)
Longitude: 
116-49-56.0000W (-116.832222)
Elevation: 
2438.0 feet MSL (743 m MSL)
Magnetic Variation: 
13.9 E (as of January 2026 from WMM2020 model)
Time Zone: 
UTC -8.0 (Standard Time)
UTC -7.0 (Daylight Savings Time)
From City: 
01 N.M. NW of Cavanaugh Bay, Idaho
Found On: 
Great Falls Chart
FAA Region: 
ANM

Contacts

Manager: 
Privately owned: 
LOEL FENWICK
100 WATERBIRD LANDING
COOLIN, ID 83821
208-610-2589
TANGLEFOOT LTD
100 WATERBIRD LANDING
COOLIN, ID 83821
208-610-2589

Operations

Airport Status: 
Operational
Facility Use: 
Public
Type: 
Seaplane Base
Activation Date: 
02/1994
Control tower: 
No
Attendance (Months/Days/Hours): 
Months/Days/Hours
APR-OCT/ALL/DAWN-DUSK
Boundary ARTCC: 
ZSE (Seattle)
Responsible ARTCC: 
ZSE (Seattle)
Segmented Circle Indicator: 
No
Traffic Pattern Altitude (MSL): 
3438 feet (1048 m)
NOTAMs Facility: 
BOI
NOTAM-D Service: 
Yes

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.900

       

    Fixed Based Operators (FBOs) & Fuel

    (Click on a business for detail)
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    Area Code: 208

    Business Name Frequency Phone Fuel Grade

    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    FSS Name (ID):  Boise(BOI)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near D28

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

    Nearby Airports with Fuel

    Unable to execute query.
    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade