Copalis, Washington
S16 Copalis State
Copalis State (S16) is a non-towered, public-use airport in Copalis, Washington, at 1 ft MSL. Its runway is 14/32 (3,560 by 150 ft, sand). Right traffic for runway 14. CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA S16
- Location
- Copalis, Washington (Grays Harbor County). 2 NM NW of the city center
- Elevation
- 1 ft MSL
- Position
- 47.1449° N, 124.1893° W
- Control tower
- No, non-towered
- Sectional chart
- Seattle
- Magnetic variation
- 20° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 14/32 | 3,560 × 150 ft | Sand, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 14 | Right traffic | None listed | None listed | None listed | Not listed |
| 32 | Not stated | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief S16 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Copalis State, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.