Airport information
- FAA LID
- 4OR4
- Coordinates
- 44.4436, -123.2380
- Elevation
- 245 ft MSL
- Magnetic variation
- 18E
- Sectional chart
- KLAMATH FALLS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- MC MINNVILLE
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1992/01
- Distance from city
- 8 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:51 AM | 11:51Z |
| Sunrise | 05:28 AM | 12:28Z |
| Sunset | 09:01 PM | 04:01Z |
| Evening civil twilight Loggable night begins | 09:38 PM | 04:38Z |
Plan a flight from 4OR4
Traffic pattern
- Landing
- Rwy 07
- Pattern
- left (turns left)
- TPA
- 1,200 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 07 at 1,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 07/25
1,800 ft × 75 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 80 ft, 0 ft from threshold
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 75 ft, 1,200 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 1,800 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CVO · Corvallis | VOR-DME | 115.40 | r126° / 4.1 NM |
| EUG · Eugene | VORTAC | 112.90 | r338° / 19.4 NM |
| ONP · Newport | VORTAC | 117.10 | r083° / 36.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4OR4. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC CASCADE APCH AT 541-607-4674/4675, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.
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 4OR4 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 4OR4
Schrock Airport (4OR4) is an airport in Corvallis, OR, at 245 ft MSL. It has 1 runway, the longest 1,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4OR4, refreshed from the Aviation Weather Center and FAA NASR.
Does 4OR4 have a control tower?
No. Schrock Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4OR4?
Schrock Airport has 1 runway; the longest is 1,800 ft. See the Runways tab for headings, surface, and lighting.
Where is 4OR4?
Schrock Airport is in Corvallis, OR, at an elevation of 245 ft MSL. Coordinates: 44.4436, -123.2380.
Fly out of 4OR4 often?
Save 4OR4 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.