Hyder Seaplane Base Seaplane Base
4Z7 · WHD · Hyder, 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 10:21 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:10 AM | 12:10Z |
| Sunrise | 05:56 AM | 12:56Z |
| Sunset | 09:35 PM | 04:35Z |
| Evening civil twilight Loggable night begins | 10:21 PM | 05:21Z |
Plan a flight from 4Z7
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 |
|---|---|---|
| N/S | 10,000 ft |
Prefer one flat page? Full runway details for 4Z7 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4Z7 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 4Z7 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 4Z7 / WHD
- Coordinates
- 55.9033, -130.0100
- Elevation
- 0 ft MSL
- Magnetic variation
- 26E
- Sectional chart
- KETCHIKAN
- Airport use
- Public
- Control tower
- No
- ARTCC
- ANCHORAGE (ZAN)
- Flight service (FSS)
- KETCHIKAN · 121.5, 122.2, 123.6, 134.45 · 1-800-WX-BRIEF
- NOTAM facility
- KTN
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Airport phone
- 907-225-9481
- Distance from city
- 1 SE
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
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- OPNS IN PORTLAND CANAL.
- BOATS MAY BE TIED TO SPB FLOAT/RAMP.
- WX CAMERA AVBL ON INTERNET AT HTTPS://WEATHERCAMS.FAA.GOV
- BE ALERT: DURING LOW TIDE, SHALLOW MILKY GLACIAL WATER COVERS OBSTRUCTIONS EAST OF FLOAT.
- CAUTION ADVISED WITH TIDES BELOW 0 FT. MAY CAUSE INSUFFICIENT WATER DEPTHS AND PREVENT USE OF THIS FACILITY.
Nearby airports
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Also nearby: KBE Bell Island Hot Springs Seaplane Base (53 NM) · 13Z Loring Seaplane Base (58 NM) · 78K Yes Bay Lodge Seaplane Base (60 NM) · 5KE Ketchikan Harbor Seaplane Base (66 NM) · 8K9 Murphys Pullout Seaplane Base (66 NM) · 9C0 Peninsula Point Pullout Seaplane Base (66 NM)
About 4Z7
Hyder Seaplane Base (4Z7 · WHD) is a seaplane base in Hyder, AK, at 0 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 4Z7, refreshed from the Aviation Weather Center and FAA NASR.
Does 4Z7 have a control tower?
No. Hyder 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 4Z7?
Hyder Seaplane Base has 1 runway; the longest is 10,000 ft. See the Runways section for headings, surface, and lighting.
Where is 4Z7?
Hyder Seaplane Base is in Hyder, AK, at an elevation of 0 ft MSL. Coordinates: 55.9033, -130.0100.
Fly out of 4Z7 often?
Save 4Z7 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 4Z7 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.