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Tanglefoot Seaplane Base Seaplane Base
D28 · Cavanaugh Bay, ID · 2,438 ft elevation · var 19E · Towered
Airport information
- FAA LID
- D28
- Coordinates
- 48.5389, -116.8320
- Elevation
- 2,438 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- BOISE
- NOTAM facility
- BOI
- Attendance
- APR-OCT ALL DAWN-DUSK
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1994/02
- Distance from city
- 1 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:03 AM | 11:03Z |
| Sunrise | 04:45 AM | 11:45Z |
| Sunset | 08:53 PM | 03:53Z |
| Evening civil twilight Loggable night begins | 09:35 PM | 04:35Z |
Loggable night (§1.1)
09:35 PM → 04:03 AM
Night currency (§61.57)
09:53 PM → 03:45 AM
Plan a flight from D28
Runway 15/33
10,000 ft × 2000 ft · WATER 15
- Heading
- n/a
33
- Heading
- n/a
No published frequencies or nearby navaids for D28.
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Parking
- tiedowns
Ownership & management
Owner
TANGLEFOOT LTD
100 WATERBIRD LANDING, COOLIN, ID
208-610-2589
Manager
LOEL FENWICK
100 WATERBIRD LANDING, COOLIN, ID
208-610-2589
Remarks FAA
- PRVDD ACFT OPERATING AT TANGLEFOOT SPB MONITOR 122.9 & ANNOUNCE INTENTIONS & ESTABLISH TFC PATTERNS THAT COINCIDE WITH CAVANAUGH BAY ARPT PATTERN.
- 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.
Nearby airports
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 D28 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.