Anvik Seaplane Base Seaplane Base
K40 · Anvik, AK · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 12:19 AM
| Event | Local (AKDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:12 AM | 13:12Z |
| Sunrise | 06:19 AM | 14:19Z |
| Sunset | 11:13 PM | 07:13Z |
| Evening civil twilight Loggable night begins | 12:19 AM | 08:19Z |
Plan a flight from K40
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
| Runway | Length | Your margin |
|---|---|---|
| E/W | 2,000 ft |
Prefer one flat page? Full runway details for K40 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the K40 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All K40 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- K40
- Coordinates
- 62.6562, -160.2050
- Elevation
- 52 ft MSL
- Magnetic variation
- 20E
- Sectional chart
- MC GRATH
- Airport use
- Public
- Control tower
- No
- ARTCC
- ANCHORAGE (ZAN)
- Flight service (FSS)
- KENAI · 121.3, 121.5, 122.65 · 1-800-WX-BRIEF
- NOTAM facility
- ANV
- Attendance
- UNATNDD
- Segmented circle
- No
- Airport phone
- 907-283-7211
- Activated
- 1967/07
- Distance from city
- 0 NW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — 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
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- OPERG AREA IN ANVIK RIVER.
- NO SERVICES OR DOCK. BEACHING AREA ON SHORE NEAR VILLAGE.
- BOATS PARK IN BEACHING AREA.
Nearby airports
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Also nearby: KGX Grayling Airport (15 NM) · 9AK2 Kako Airport (private) (57 NM)
About K40
Anvik Seaplane Base (K40) is a seaplane base in Anvik, AK, at 52 ft MSL. It has 1 runway, the longest 2,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for K40, refreshed from the Aviation Weather Center and FAA NASR.
Does K40 have a control tower?
No. Anvik Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at K40?
Anvik Seaplane Base has 1 runway; the longest is 2,000 ft. See the Runways section for headings, surface, and lighting.
Where is K40?
Anvik Seaplane Base is in Anvik, AK, at an elevation of 52 ft MSL. Coordinates: 62.6562, -160.2050.
Fly out of K40 often?
Save K40 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 K40 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.