Lopez Island (S31) has 1 runway. Runway 16/34 is 2,905 ft long and 61 ft wide. The surface is asphalt. The field elevation is 208.8 ft MSL. No control tower is published for this field. No ILS runway ends are published. Right traffic is published for Runway 16. No LAHSO notes are published. No noise abatement notes are published. Use the current FAA Chart Supplement for the latest published runway data before you go.
Wind & favored runway
Favored end is picked from the current METAR wind at S31.
Pattern entry · RWY 16
RIGHT TRAFFICAll runways
Traffic pattern
Pattern altitude is not published. For light piston traffic, use the standard 1,000 ft AGL pattern unless local procedures say otherwise. The field elevation is 208.8 ft MSL. No control tower is published, so self-announce and sequence with other traffic as needed. Right traffic is published for Runway 16. That makes the 16 pattern the exception. Runway 34 is not listed with a right-traffic note in the facts.
Every end, one page
Each runway end has its own page with wind component, traffic pattern geometry and ILS for that specific direction.