Skyport
4S4 · Cornelius, OR · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:47 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:24 AM | 13:24Z |
| Sunrise | 06:54 AM | 13:54Z |
| Sunset | 07:18 PM | 02:18Z |
| Evening civil twilight Loggable night begins | 07:47 PM | 02:47Z |
Plan a flight from 4S4
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
RWY 16RIGHT trafficRP · charted
- Heading
- 160° mag · 180° true
- Dimensions
- 2,000 × 45 ft
- TPA
- 1,200 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the right downwind (heading 340°) on the 45° at 1,200 ft MSL (≈1,000 AGL).
More details — RWY 16
- Approach obstacle
- Trees, 112 ft, 2,022 ft from threshold, 0 ft B of centerline — 18:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 16/34 | 2,000 ft |
Prefer one flat page? Full runway details for 4S4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4S4 kneeboard →
Comms & NavAids
Communication frequencies
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 | r326° / 14.1 NM |
| CBU · Columbia | TACAN | 109.20 · 29X | — | r254° / 18.6 NM |
| BTG · Battle Ground | VORTAC | 116.60 · 113X | High | r222° / 21.8 NM |
Prefer one flat list? All 4S4 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 4S4
- Coordinates
- 45.5826, -123.0529
- Elevation
- 174 ft MSL
- Magnetic variation
- 20E
- 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
- ALL 0600-2000
- Segmented circle
- Yes
- Wind indicator
- yes
- Distance from city
- 3 N
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- HELICOPTER & ULTRALIGHT OPNS PROHIBITED.
- FOR CD CTC PORTLAND APCH AT 503-493-7545.
Runways
- 16/34 RY ENDS MARKED WITH HALF BARRELS. RY 34 DSPLCD THR MARKED WITH 'L' SHAPED BOARDS.
Obstructions
- APCH RATIO 16:1 TO DSPLCD THLD.
Nearby airports
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Also nearby: 1OR3 Sunset Airstrip (private) (2 NM) · OG02 Rieben (private) (2 NM) · OR81 Olinger Airpark (private) (2 NM) · OG63 Gilbert (private) (4 NM) · OR27 Chadwick (private) (6 NM)
About 4S4
Skyport (4S4) is an airport in Cornelius, OR, at 174 ft MSL. It has 1 runway, the longest 2,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4S4, refreshed from the Aviation Weather Center and FAA NASR.
Does 4S4 have a control tower?
No. Skyport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4S4?
Skyport has 1 runway; the longest is 2,000 ft. See the Runways section for headings, surface, and lighting.
Where is 4S4?
Skyport is in Cornelius, OR, at an elevation of 174 ft MSL. Coordinates: 45.5826, -123.0529.
More about 4S4
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 4S4 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.