Airport information
- FAA LID
- S31 / LPS
- Coordinates
- 48.4839, -122.9380
- Elevation
- 209 ft MSL
- Magnetic variation
- 21E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1963/06
- Distance from city
- 3 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:28 AM | 11:28Z |
| Sunrise | 05:10 AM | 12:10Z |
| Sunset | 09:17 PM | 04:17Z |
| Evening civil twilight Loggable night begins | 09:59 PM | 04:59Z |
Loggable night (§1.1)
09:59 PM → 04:28 AM
Night currency (§61.57)
10:17 PM → 04:10 AM
Plan a flight from S31
Runway 16/34
2,905 ft × 61 ft · Asphalt (Good) 16
- Heading
- n/a
- Markings
- basic
- VGSI
- 2-light PAPI (left) (4°)
- Traffic pattern
- Right
34
- Heading
- n/a
- Markings
- basic
- VGSI
- 2-light PAPI (left) (4°)
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| NUW · Whidbey Island | TACAN | 113.80 | r284° / 13.5 NM |
| CVV · Penn Cove | VOR-DME | 117.20 | r310° / 16.7 NM |
| HUH · Whatcom | VORTAC | 113.00 | r187° / 31.1 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
- Parking
- tiedowns
- Other services
- Air freight, Charter
Ownership & management
Owner
PORT OF LOPEZ
PO BOX 907, LOPEZ, WA
360-468-4116
Manager
WIL CATLIN
PO BOX 907, LOPEZ, WA
360-468-4116
Remarks FAA
- ESTABD PRIOR TO 1959.
- RY 16/34 SOFT SHOULDERS & THLDS.
- FOR CD CTC WHIDBEY APCH AT 360-257-3310.
- TWY MARKED WITH REFLECTORS.
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 S31 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.