Mercer Ranch Private
WA00 · Alderdale, WA · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:35 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:11 AM | 13:11Z |
| Sunrise | 06:41 AM | 13:41Z |
| Sunset | 07:05 PM | 02:05Z |
| Evening civil twilight Loggable night begins | 07:35 PM | 02:35Z |
Plan a flight from WA00
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 23LEFT traffic
- Heading
- 230° mag · 248° true
- Dimensions
- 2,200 × 40 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Gravel
Enter the left downwind (heading 050°) on the 45° at 1,800 ft MSL (≈1,000 AGL).
More details — RWY 23
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 2,200 ft |
Prefer one flat page? Full runway details for WA00 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the WA00 kneeboard →
Comms & NavAids
Nearby navigation aids
PSC 113.75
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PSC · Pasco | VOR/DME | 113.75 · 84Y | Low | r221° / 39.6 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for WA00 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- WA00
- Coordinates
- 45.9000, -119.9056
- Elevation
- 780 ft MSL
- Magnetic variation
- 18E
- Sectional chart
- SEATTLE
- Airport use
- Private
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 122.5 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2000/06
- Distance from city
- 2 NE
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- ABRUPT DROPOFFS ON EACH END OF RY 05/23.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
Lighting
- FOR LIRL CALL 509-894-4773/4491.
Nearby airports
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Also nearby: M50 Boardman (6 NM) · 1S8 Arlington Municipal (16 NM) · S40 Prosser (19 NM) · OR92 K2 (private) (24 NM) · 1S5 Sunnyside Municipal (26 NM) · OL02 West Buttercreek (private) (26 NM)
About WA00
Mercer Ranch (WA00) is an airport in Alderdale, WA, at 780 ft MSL. It has 1 runway, the longest 2,200 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WA00, refreshed from the Aviation Weather Center and FAA NASR.
Does WA00 have a control tower?
No. Mercer Ranch is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at WA00?
Mercer Ranch has 1 runway; the longest is 2,200 ft. See the Runways section for headings, surface, and lighting.
Where is WA00?
Mercer Ranch is in Alderdale, WA, at an elevation of 780 ft MSL. Coordinates: 45.9000, -119.9056.
More about WA00
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 WA00 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.
Something here wrong or out of date? Report a data problem.