Clark Bay Seaplane Base
HYL · Hollis, AK · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:37 PM
| Event | Local (AKDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:51 AM | 13:51Z |
| Sunrise | 06:28 AM | 14:28Z |
| Sunset | 07:00 PM | 03:00Z |
| Evening civil twilight Loggable night begins | 07:37 PM | 03:37Z |
Plan a flight from HYL
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 |
|---|---|---|
| E/W | 10,000 ft |
Prefer one flat page? Full runway details for HYL → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the HYL kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All HYL frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- HYL
- Coordinates
- 55.4904, -132.6236
- 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
- Activated
- 1961/03
- Distance from city
- 1 NE
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 · 1 notes
General
- OPRG AREA IN CLARK BAY.
Nearby airports
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Also nearby: KXA Kasaan (8 NM) · KTB Thorne Bay (12 NM) · CGA Craig (18 NM) · 84K Meyers Chuck (19 NM)
About HYL
Clark Bay (HYL) is a seaplane base in Hollis, 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 HYL, refreshed from the Aviation Weather Center and FAA NASR.
Does HYL have a control tower?
No. Clark Bay is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at HYL?
Clark Bay has 1 runway; the longest is 10,000 ft. See the Runways section for headings, surface, and lighting.
Where is HYL?
Clark Bay is in Hollis, AK, at an elevation of 0 ft MSL. Coordinates: 55.4904, -132.6236.
More about HYL
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 HYL 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.