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
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 | 04:45 AM | 11:45Z |
| Sunrise | 05:23 AM | 12:23Z |
| Sunset | 09:02 PM | 04:02Z |
| Evening civil twilight Loggable night begins | 09:39 PM | 04:39Z |
Plan a flight from 4S9
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 14 · 140°
- Pattern
- right (turns right)
- TPA
- 1,300 ft MSL (≈1,000 AGL)
- CTAF
- 123.05
Enter the right downwind for Rwy 14 at 1,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 14/32
3,425 ft × 100 ft · Asphalt (Good)- Heading
- 140° mag · 159° true
- Threshold elev
- 248 ft
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Right
- 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
- Heading
- 321° mag · 340° true
- Threshold elev
- 260 ft
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Trees, 212 ft, 3,059 ft from threshold, 138 ft R of centerline — 13:1 slope to clear · penetrates the 20:1 visual approach surface
- Threshold crossing height
- 33 ft
- TDZ elevation
- 260 ft
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 3,425 ft |
Communication frequencies
Tower & ground
| Clearance | 119.95 |
| CTAF | 123.05 |
| UNICOM | 123.05 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| UBG · Newberg | VOR-DME | 117.40 | r095° / 18.3 NM |
| CBU · Columbia | TACAN | 109.20 | r158° / 22.4 NM |
| PDX · Portland | VOR-DME | 111.80 | r158° / 22.7 NM |
| BTG · Battle Ground | VORTAC | 116.60 | r159° / 31.9 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Remarks FAA
- EXISTED PRIOR TO 1959.
- 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.
- ACTIVATE MIRL RY 14/32, TWY LGTS, & WINDCONE - CTAF. PAPI RYS 14 & 32 OPR 24 HRS.
- PAPI OTS INDEF.
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 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.
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 on the Comms & NavAids tab.
What is the longest runway at 4S9?
Portland Mulino Airport has 1 runway; the longest is 3,425 ft. See the Runways tab 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.