Lopez Island Airport
S31 · Lopez, Washington · San Juan County · map
Lopez Island Airport is a public-use airport owned by the Port of Lopez, 3 miles north of Lopez, Washington, 209 feet above sea level. Its one runway, 16/34, is 2,905 feet of asphalt.
The airport
- Codes
- FAA S31
- Kind
- Airport · open to the public · publicly owned
- Owner
- Port of Lopez
- Elevation
- 209 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Lights
- beacon sunset to sunrise
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- Notes
- landing fee
- On the chart
- Seattle sectional
- Magnetic variation
- 21E
- In the FAA's files since
- June 1963
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 16/34 | 2,905 × 61 ft | Asphalt, good | Medium-intensity lights |
- Runway 16: PAPI, two lights on the left, right-hand traffic pattern, trees 87 ft high 1,948 ft from the end
- Runway 34: PAPI, two lights on the left, trees 60 ft high 900 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) | 128.25 | |
| S31 and aWOS-3P | 118.525 |
Automated weather (AWOS-3P), by phone 360-376-2071.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Lopez from the FAA register
3 aircraft are registered to owners in Lopez, Washington: 3 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Washington.
Accidents and incidents at or near this airport NTSB records · 12 since 1982, 2 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Estabd prior to 1959.
- Runway 16/34 soft shoulders and thlds.
- Taxiway marked with reflectors.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.