Airport information
- FAA LID
- WN40
- Coordinates
- 48.1904, -122.6430
- Elevation
- 200 ft MSL
- Magnetic variation
- 21E
- Sectional chart
- SEATTLE
- Airport use
- Private
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1983/11
- Distance from city
- 3 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:29 AM | 11:29Z |
| Sunrise | 05:10 AM | 12:10Z |
| Sunset | 09:15 PM | 04:15Z |
| Evening civil twilight Loggable night begins | 09:56 PM | 04:56Z |
Plan a flight from WN40
Traffic pattern
- Landing
- Rwy 06
- Pattern
- left (turns left)
- TPA
- 1,200 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 06 at 1,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 06/24
2,500 ft × 80 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 100 ft, 400 ft from threshold
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 2,500 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CVV · Penn Cove | VOR-DME | 117.20 | r116° / 4.6 NM |
| NUW · Whidbey Island | TACAN | 113.80 | r155° / 9.9 NM |
| PAE · Paine | VOR-DME | 110.60 | r298° / 21.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for WN40. VFR sectional link above.
Ownership & management
Remarks FAA
- CTC WHIDBEY NAS ON 127.9 OR APCH CTL 118.2 OR ATIS ON 134.15. FOR ARPT TFC AREA HOT OR COLD JET TFC ON DLNG & TKOF.
- AIRPARK APPROVED FOR PERSONAL USE ONLY.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
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 WN40 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.
About WN40
Coupeville Airpark (WN40) is an airport in Coupeville, WA, at 200 ft MSL. It has 1 runway, the longest 2,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WN40, refreshed from the Aviation Weather Center and FAA NASR.
Does WN40 have a control tower?
No. Coupeville Airpark is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at WN40?
Coupeville Airpark has 1 runway; the longest is 2,500 ft. See the Runways tab for headings, surface, and lighting.
Where is WN40?
Coupeville Airpark is in Coupeville, WA, at an elevation of 200 ft MSL. Coordinates: 48.1904, -122.6430.
Fly out of WN40 often?
Save WN40 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.