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D28 Tanglefoot Seaplane Base
Cavanaugh Bay, Idaho, USA

GOING TO CAVANAUGH BAY?

FAA INFORMATION EFFECTIVE 30 OCTOBER 2025

Location

FAA Identifier: D28
Lat/Long: 48-32-20.0000N 116-49-56.0000W
48-32.333333N 116-49.933333W
48.5388889,-116.8322222
(estimated)
Elevation: 2438 ft. / 743 m (estimated)
Variation: 19E (1990)
From city: 1 mile NW of CAVANAUGH BAY, ID
Time zone: UTC -8 (UTC -7 during Daylight Saving Time)
Zip code: 83821

Seaplane Base Operations

Seaplane Base use: Open to the public
Activation date: 02/1994
Control tower: no
ARTCC: SEATTLE CENTER
FSS: BOISE FLIGHT SERVICE STATION
NOTAMs facility: BOI (NOTAM-D service available)
Attendance: APR-OCT DAWN-DUSK
Wind indicator: yes
Segmented circle: no

Seaplane Base Communications

CTAF: 122.9
WX AWOS-2 at SZT (18 nm SE): 135.425 (208-263-3074)

Nearby radio navigation aids

NDB name  Hdg/Dist  Freq  Var  ID
SANDPOE310/18.326414ESZT ... --.. -

Seaplane Base Services

Parking: tiedowns

Runway Information

Runway 15W/33W

Dimensions: 10000 x 2000 ft. / 3048 x 610 m
Surface: water
RUNWAY 15W  RUNWAY 33W
Traffic pattern: rightleft

Seaplane Base Ownership and Management from official FAA records

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

Additional Remarks

- TIE DOWNS AVBL AT FLOATING DOCKS; ADDNL PKNG AVBL ON BEACH.
- RECOMMEND LANDING SEAPLANE RY 15; DEPARTURE SEAPLANE RY 33- WHEN WINDS PERMIT.
- CAVANAUGH BAY ARPT LCD ADJ S. LOOK OUT FOR TFC & ANNC INTNS ON CTAF.
- RWY 15/33 +5' NO WAKE BUOY LOCATED IN LANDING AERA
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.

Instrument Procedures

There are no published instrument procedures at D28.

Some nearby airports with instrument procedures:

KSZT - Sandpoint Airport (18 nm SE)
65S - Boundary County Airport (24 nm NE)
KDEW - Deer Park Airport (42 nm SW)
KCOE - Coeur d'Alene Airport - Pappy Boyington Field (46 nm S)
KSFF - Felts Field Airport (55 nm S)
  
Loc | Ops | Rwys | IFR | FBO | Links
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Area around D28 (Tanglefoot Seaplane Base)
 
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Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of D28 (Tanglefoot Seaplane Base)
Photo by Olson Fenwick
Photo taken 14-Aug-2011
looking southeast.
Do you have a better or more recent aerial photo of Tanglefoot Seaplane Base that you would like to share? If so, please send us your photo.

 
Sectional chart

 
Airport distance calculator
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From to D28

Sunrise and sunset
Times for 22-Nov-2025
 Local
(UTC-8)		 Zulu
(UTC)
Morning civil twilight06:3214:32
Sunrise07:0715:07
Sunset16:0000:00
Evening civil twilight16:3500:35

Current date and time
Zulu (UTC)  23-Nov-2025 04:44:56
Local (UTC-8)  22-Nov-2025 20:44:56
 
METAR
KSZT 
18nm SE 		230430Z AUTO 00000KT 10SM -RA OVC050 05/04 A3004 RMK AO2
K65S 
24nm NE 		230415Z AUTO 00000KT 10SM UP FEW040 OVC047 05/03 A3003 RMK AO2
CWJR 
34nm N 		230400Z AUTO 07007KT 05/03 RMK AO1 1PAST HR 8006 SLP186 P0000 T00520031 50003
TAF
KCOE 
46nm S 		221720Z 2218/2318 VRB03KT P6SM BKN100 FM231000 17005KT P6SM OVC070 FM231200 16005KT P6SM OVC045 PROB30 2312/2318 6SM -RA OVC035
NOTAMs
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