Portland Mulino Airport
4S9 · Portland-Mulino, OR · 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 09:07 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:25 AM | 12:25Z |
| Sunrise | 05:58 AM | 12:58Z |
| Sunset | 08:34 PM | 03:34Z |
| Evening civil twilight Loggable night begins | 09:07 PM | 04:07Z |
Plan a flight from 4S9
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 14RIGHT trafficRP · charted
- Heading
- 141° mag · 160° true
- Dimensions
- 3,425 × 100 ft
- TPA
- 1,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 123.05
Enter the right downwind (heading 321°) on the 45° at 1,300 ft MSL (≈1,000 AGL).
More details — RWY 14
- Threshold elev
- 248 ft
- Markings
- basic
- Approach obstacle
- Tree, 77 ft, 1,002 ft from threshold, 194 ft R of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
- Threshold crossing height
- 43 ft
- TDZ elevation
- 258 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 3,425 ft |
Prefer one flat page? Full runway details for 4S9 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4S9 kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
UBG 117.40 · CBU 109.20 · BTG 116.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| UBG · Newberg | VOR/DME | 117.40 · 121X | High | r095° / 18.3 NM |
| CBU · Columbia | TACAN | 109.20 · 29X | — | r163° / 22.4 NM |
| BTG · Battle Ground | VORTAC | 116.60 · 113X | High | r159° / 31.9 NM |
Prefer one flat list? All 4S9 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 4S9
- Coordinates
- 45.2163, -122.5900
- Elevation
- 260 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- MC MINNVILLE · 1-800-WX-BRIEF
- NOTAM facility
- MMV
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1948/06
- Distance from city
- 20 S
Activity & hazards NASR
- Parachute jumping — to 12,500 ft MSL · 1000-SS DLY
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 123.05 — confirm the click sequence in the Chart Supplement ↗
Runway lighting aids — 14: 2-light PAPI (left) · 32: 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
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Instruction, Parachute ops, Rental
Ownership & management 2 contacts
Remarks FAA · 7 notes
General
- RY 32 DESIGNATED CALM WIND RY.
- WILDLIFE ON & INVOF OF ARPT.
- BE ALERT FOR WEEKEND GLIDER ACTIVITY.
- SKYDIVING ACTIVITY ON AND IN VICINITY OF AIRPORT. LANDING ZONE 1400' EAST OF RUNWAY.
- FOR CD CTC PORTLAND APCH AT 503-493-7545.
Runways
- PAPI OTS INDEF.
Lighting
- ACTIVATE MIRL RY 14/32, TWY LGTS, & WINDCONE - CTAF. PAPI RYS 14 & 32 OPR 24 HRS.
Nearby airports
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Also nearby: OR41 Workman Airpark (private) (3 NM) · OR40 Dietz Airpark (private) (3 NM) · OL05 Skydive Oregon Airport (private) (4 NM) · 44OR Compton Airport (private) (6 NM) · OG30 Aeroacres Airport (private) (6 NM) · OG20 Fairways Airport (private) (7 NM)
About 4S9
Portland Mulino Airport (4S9) is an airport in Portland-Mulino, OR, at 260 ft MSL. It has 1 runway, the longest 3,425 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4S9, refreshed from the Aviation Weather Center and FAA NASR.
Does 4S9 have a control tower?
No. Portland Mulino Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4S9?
Portland Mulino Airport has 1 runway; the longest is 3,425 ft. See the Runways section for headings, surface, and lighting.
Where is 4S9?
Portland Mulino Airport is in Portland-Mulino, OR, at an elevation of 260 ft MSL. Coordinates: 45.2163, -122.5900.
Fly out of 4S9 often?
Save 4S9 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 4S9 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.