Prosser Airport
S40 · Prosser, WA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:00 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:10 AM | 12:10Z |
| Sunrise | 05:44 AM | 12:44Z |
| Sunset | 08:25 PM | 03:25Z |
| Evening civil twilight Loggable night begins | 09:00 PM | 04:00Z |
Plan a flight from S40
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 25LEFT traffic
- Heading
- 251° mag · 270° true
- Dimensions
- 3,450 × 60 ft
- TPA
- 1,506 ft MSL · 800 AGL · charted
- Surface
- ASP
- CTAF
- 122.8
Enter the left downwind (heading 071°) on the 45° at 1,506 ft MSL.
Pattern side: FAA NASR · TPA charted (NASR) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 3,450 ft |
Prefer one flat page? Full runway details for S40 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the S40 kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
PSC 113.75 · YKM 116.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PSC · Pasco | VOR/DME | 113.75 · 84Y | Low | r248° / 28.2 NM |
| YKM · Yakima | VORTAC | 116.00 · 107X | High | r107° / 34.5 NM |
Prefer one flat list? All S40 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- S40
- Coordinates
- 46.2134, -119.7910
- Elevation
- 706 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-1 · 121.125 · ☎ 509-786-8889
- 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
- Activated
- 1938/12
- Distance from city
- 1 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT REIL RWYS 08 & 26; MIRL RWY 08/26 - CTAF. on 122.8 — Chart Supplement ↗
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
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
- Other services
- Instruction
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- TWYS MKD FOR NGT OPNS WITH RETRO-REFLECTIVE DEVICES.
- FOR CD CTC SPOKANE APCH AT 509-742-2525, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
- AIRFIELD CONDS UNMON.
Lighting
- ACTVT REIL RWYS 08 & 26; MIRL RWY 08/26 - CTAF.
Nearby airports
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Also nearby: 1S5 Sunnyside Municipal Airport (10 NM) · WA00 Mercer Ranch Airport (private) (20 NM) · 68WA Mc Mahon Field (private) (21 NM) · M50 Boardman Airport (24 NM) · WN19 Bell-Aire Airport (private) (28 NM)
About S40
Prosser Airport (S40) is an airport in Prosser, WA, at 706 ft MSL. It has 1 runway, the longest 3,450 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for S40, refreshed from the Aviation Weather Center and FAA NASR.
Does S40 have a control tower?
No. Prosser Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at S40?
Prosser Airport has 1 runway; the longest is 3,450 ft. See the Runways section for headings, surface, and lighting.
Where is S40?
Prosser Airport is in Prosser, WA, at an elevation of 706 ft MSL. Coordinates: 46.2134, -119.7910.
Fly out of S40 often?
Save S40 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 S40 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.