Airport information
- FAA LID
- W09
- Coordinates
- 46.5504, -118.5360
- Elevation
- 813 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Distance from city
- 5 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:22 AM | 11:22Z |
| Sunrise | 05:01 AM | 12:01Z |
| Sunset | 08:51 PM | 03:51Z |
| Evening civil twilight Loggable night begins | 09:30 PM | 04:30Z |
Plan a flight from W09
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01 · 010°
- Pattern
- right (turns right)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the right downwind for Rwy 01 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
3,300 ft × 50 ft · GRAVEL (Fair)- Heading
- 010° mag · 29° true
- Traffic pattern
- Right
- Approach obstacle
- Tower, 680 ft, 6,800 ft from threshold, 0 ft B of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 190° mag · 209° true
- Traffic pattern
- Right
- Approach obstacle
- Pline, 115 ft, 2,300 ft from threshold, 0 ft B of centerline — 20:1 slope to clear
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 3,300 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ALW · Walla Walla | VOR-DME | 116.40 | r320° / 29.6 NM |
| PSC · Pasco | VOR-DME | 108.40 | r034° / 29.6 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
Ownership & management
Remarks FAA
- PRVDD THE FOLLOWING APPEARS IN TH AIM; MULTIPLE POWER LINES 0.4 MI NNE OF ARPT. CAUTION; RWY ROUGH; ROCK SURFACE.
- MULTIPLE POWERLINES 0.4 MILE NNE OF AIRPORT.
- VEHICLES; PEDESTRIANS, AND ANIMALS ON & INOV RY.
- FOR CD CTC CHINOOK APCH AT 509-542-4209, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
- NO WINTER SNOW REMOVAL OPS.
- PILOTS PROVD OWN TIEDOWN CHAINS.
- OTR CTC: AVIATION@WSDOT.WA.GOV
- OTR CTC: EMAIL AVIATION@WSDOT.WA.GOV
- GRVL PTNS OF RWY ABNDT OF WEEDS AND SFC ROUGH AND SOFT.
- RWY 01/19 RWY SURFACE EMULSION LAYER CRUMBLES.
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 W09 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 W09
Lower Monumental State Airport (W09) is an airport in Kahlotus, WA, at 813 ft MSL. It has 1 runway, the longest 3,300 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for W09, refreshed from the Aviation Weather Center and FAA NASR.
Does W09 have a control tower?
No. Lower Monumental State Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at W09?
Lower Monumental State Airport has 1 runway; the longest is 3,300 ft. See the Runways tab for headings, surface, and lighting.
Where is W09?
Lower Monumental State Airport is in Kahlotus, WA, at an elevation of 813 ft MSL. Coordinates: 46.5504, -118.5360.
Fly out of W09 often?
Save W09 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.