Airport information
- FAA LID
- S16
- Coordinates
- 47.1248, -124.1850
- Elevation
- 1 ft MSL
- Magnetic variation
- 20E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 1-800-WX-BRIEF
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1958/05
- Distance from city
- 2 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:41 AM | 11:41Z |
| Sunrise | 05:21 AM | 12:21Z |
| Sunset | 09:16 PM | 04:16Z |
| Evening civil twilight Loggable night begins | 09:56 PM | 04:56Z |
Plan a flight from S16
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 14 · 142°
- Pattern
- right (turns right)
- TPA
- 1,000 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the right downwind for Rwy 14 at 1,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 14/32
4,500 ft × 150 ft · Sand (Fair)- Heading
- 142° mag · 162° true
- Threshold elev
- 1 ft
- Traffic pattern
- Right
- Approach obstacle
- Other, 2 ft, 0 ft from threshold, 0 ft B of centerline
- Heading
- 322° mag · 342° true
- Threshold elev
- 1 ft
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 4,500 ft |
Communication frequencies
Tower & ground
| CTAF | 122.9 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HQM · Hoquiam | VORTAC | 117.70 | r333° / 10.8 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- RY AVBL WHEN TIDE IS LOW.
- VEHICLES, PEDESTRIANS & ANIMALS ON & INVOF RY.
- ARPT CLSD TO VEHICLES APRIL 15 THRU THE DAY AFTER LABOR DAY.
- ROCK
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 S16 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.
About S16
Copalis State Airport (S16) is an airport in Copalis Crossing, WA, at 1 ft MSL. It has 1 runway, the longest 4,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for S16, refreshed from the Aviation Weather Center and FAA NASR.
Does S16 have a control tower?
No. Copalis State Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at S16?
Copalis State Airport has 1 runway; the longest is 4,500 ft. See the Runways tab for headings, surface, and lighting.
Where is S16?
Copalis State Airport is in Copalis Crossing, WA, at an elevation of 1 ft MSL. Coordinates: 47.1248, -124.1850.
Fly out of S16 often?
Save S16 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.