Lopez Island Airport
S31 · LPS · Lopez, WA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:16 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:18 AM | 12:18Z |
| Sunrise | 05:54 AM | 12:54Z |
| Sunset | 08:40 PM | 03:40Z |
| Evening civil twilight Loggable night begins | 09:16 PM | 04:16Z |
Plan a flight from S31
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
RWY 16RIGHT trafficRP · charted
- Heading
- 159° mag · 180° true
- Dimensions
- 2,905 × 61 ft
- TPA
- 1,200 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (4°)
- CTAF
- 128.25
Enter the right downwind (heading 339°) on the 45° at 1,200 ft MSL (≈1,000 AGL).
More details — RWY 16
- Threshold elev
- 209 ft
- Markings
- basic
- Approach obstacle
- Trees, 87 ft, 1,948 ft from threshold, 0 ft B of centerline — 20:1 slope to clear
- Threshold crossing height
- 43 ft
- TDZ elevation
- 209 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 16/34 | 2,905 ft |
Prefer one flat page? Full runway details for S31 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the S31 kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
NUW 113.80 · CVV 117.20 · HUH 113.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| NUW · Whidbey Island | TACAN | 113.80 · 85X | — | r287° / 13.5 NM |
| CVV · Penn Cove | VOR/DME | 117.20 · 119X | Low | r310° / 16.7 NM |
| HUH · Whatcom | TACAN | 113.00 · 77X | — | r187° / 31.1 NM |
Prefer one flat list? All S31 frequencies →
Charts & procedures
Airport info
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
- No
- Weather station
- AWOS-3P · 118.525 · ☎ 360-376-2071
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 122.5 · 1-800-WX-BRIEF
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Landing fee
- Yes
- Activated
- 1963/06
- Distance from city
- 3 N
Night operations
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 128.25 — confirm the click sequence in the Chart Supplement ↗
Runway lighting aids — 16: 2-light PAPI (left) · 34: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
- Other services
- Air freight, Charter
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- RY 16/34 SOFT SHOULDERS & THLDS.
- FOR CD CTC WHIDBEY APCH AT 360-257-3310.
Lighting
- TWY MARKED WITH REFLECTORS.
Nearby airports
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Also nearby: 61WA Burden Field-(Rabbit Run) Airport (3 NM) · 4WA4 Windsock Airport (private) (4 NM) · 78WA Center Island Airport (private) (4 NM) · WN07 Decatur Shores Airport (private) (5 NM) · 1WA9 Friday West Airport (5 NM)
About S31
Lopez Island Airport (S31 · LPS) is an airport in Lopez, WA, at 209 ft MSL. It has 1 runway, the longest 2,905 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for S31, refreshed from the Aviation Weather Center and FAA NASR.
Does S31 have a control tower?
No. Lopez Island Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at S31?
Lopez Island Airport has 1 runway; the longest is 2,905 ft. See the Runways section for headings, surface, and lighting.
Where is S31?
Lopez Island Airport is in Lopez, WA, at an elevation of 209 ft MSL. Coordinates: 48.4839, -122.9380.
Fly out of S31 often?
Save S31 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.
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. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.