Tanglefoot Seaplane Base
D28 · Cavanaugh Bay, ID · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-22 · night begins 07:17 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:02 AM | 13:02Z |
| Sunrise | 06:34 AM | 13:34Z |
| Sunset | 06:45 PM | 01:45Z |
| Evening civil twilight Loggable night begins | 07:17 PM | 02:17Z |
Plan a flight from D28
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
| Runway | Length | Your margin |
|---|---|---|
| 15W/33W | 10,000 ft |
Prefer one flat page? Full runway details for D28 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the D28 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All D28 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- D28
- Coordinates
- 48.5389, -116.8322
- Elevation
- 2,438 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- BOI
- Attendance
- APR-OCT ALL DAWN-DUSK
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1994/02
- Distance from city
- 1 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
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- 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
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Also nearby: 66S Cavanaugh Bay (1 NM) · 67S Priest Lake USFS (5 NM) · 45ID Fox Creek (private) (13 NM) · ID54 Bottle Bay (private) (16 NM) · ID25 Olmstead Sky Ranch (private) (16 NM) · ID61 Valenov Ranch (private) (16 NM)
About D28
Tanglefoot (D28) is a seaplane base in Cavanaugh Bay, ID, at 2,438 ft MSL. It has 1 runway, the longest 10,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for D28, refreshed from the Aviation Weather Center and FAA NASR.
Does D28 have a control tower?
No. Tanglefoot is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at D28?
Tanglefoot has 1 runway; the longest is 10,000 ft. See the Runways section for headings, surface, and lighting.
Where is D28?
Tanglefoot is in Cavanaugh Bay, ID, at an elevation of 2,438 ft MSL. Coordinates: 48.5389, -116.8322.
More about D28
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. 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.