Mulino State

4S9 · Portland-Mulino, OR · Non-towered · Print kneeboard · Open on the map

Elevation
260 ft MSL
Longest runway
3,425 ft 14/32
Runway
1
Mag var
19E

Nearby now

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Weather

METAR observed

No weather station at 4S9. Nearby reporting stations: KUAO (8 NM), KPDX (22 NM), KTTD (22 NM).

TAF forecast

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Sun & FAA night2026-09-19 · night begins 07:43 PM
EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
06:24 AM13:24Z
Sunrise06:54 AM13:54Z
Sunset07:14 PM02:14Z
Evening civil twilight
Loggable night begins
07:43 PM02:43Z
Loggable night (§1.1)
07:43 PM → 06:24 AM
Night currency (§61.57)
08:14 PM → 05:54 AM

Plan a flight from 4S9

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

5,000 ftNMNxw 231°downwind 321°base 051°final 141°45° entry1432

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

Condition: Good. Edge lights: Med.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

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

Clearance — primary
119.95

Taxi & takeoff

CTAF
123.05
UNICOM
123.05

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

UBG 117.40 · CBU 109.20 · BTG 116.60
NavAidTypeFreq · chRangeRadial / 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

VFR sectional →

Airport info

Airport information

FAA LID
4S9
Coordinates
45.2166, -122.5902
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
Owner
OREGON DEPARTMENT OF AVIATION
3040 25TH STREET SE, SALEM, OR
503-378-4880
Manager
OREGON DEPARTMENT OF AVIATION
3040 25TH STREET SE, SALEM, OR
503-378-4880
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 (private) (4 NM) · 44OR Compton (private) (6 NM) · OG30 Aeroacres (private) (6 NM) · OG20 Fairways (private) (6 NM)

Destination

On the field

Vaquero Express Mexican Restaurant

Courtesy car? Check airportcourtesycars.com

Places powered by Google. Only what is on the airport itself, for now. Open a place for hours, reviews and directions.

About 4S9

Mulino State (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. Mulino State is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at 4S9?

Mulino State has 1 runway; the longest is 3,425 ft. See the Runways section for headings, surface, and lighting.

Where is 4S9?

Mulino State is in Portland-Mulino, OR, at an elevation of 260 ft MSL. Coordinates: 45.2166, -122.5902.

More about 4S9

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.

Something here wrong or out of date? Report a data problem.