Airport information
- FAA LID
- 98OR
- Coordinates
- 45.1990, -123.3700
- Elevation
- 435 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Private
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- MC MINNVILLE
- Attendance
- ALL ALL
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1988/05
- Distance from city
- 7 N
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 | 04:48 AM | 11:48Z |
| Sunrise | 05:26 AM | 12:26Z |
| Sunset | 09:05 PM | 04:05Z |
| Evening civil twilight Loggable night begins | 09:42 PM | 04:42Z |
Plan a flight from 98OR
Traffic pattern
- Landing
- Rwy 17
- Pattern
- left (turns left)
- TPA
- 1,400 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 17 at 1,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 17/35
1,300 ft × 50 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 1,300 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| UBG · Newberg | VOR-DME | 117.40 | r220° / 19 NM |
| CBU · Columbia | TACAN | 109.20 | r214° / 39.6 NM |
| PDX · Portland | VOR-DME | 111.80 | r214° / 40 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 98OR. VFR sectional link above.
Ownership & management
Remarks FAA
- PROVIDED LANDINGS ARE TO THE NORTH & TAKEOFFS ARE TO THE SOUTH.
- LAND TO NORTH; TAKEOFF TO SOUTH.
- 80' TREES 500' FROM APPR END RW 17 1.5% DOWNSLOPE RW 17
- PPR: CONTACT ARPT MGR PRIOR TO LDG FOR RWY COND.
- FOR CD CTC PORTLAND APCH AT 503-493-7545.
- 17/35 HAS REFLECTOR MARKERS.
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 98OR 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 98OR
Mach-O Acres Airport (98OR) is an airport in Sheridan, OR, at 435 ft MSL. It has 1 runway, the longest 1,300 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 98OR, refreshed from the Aviation Weather Center and FAA NASR.
Does 98OR have a control tower?
No. Mach-O Acres Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 98OR?
Mach-O Acres Airport has 1 runway; the longest is 1,300 ft. See the Runways tab for headings, surface, and lighting.
Where is 98OR?
Mach-O Acres Airport is in Sheridan, OR, at an elevation of 435 ft MSL. Coordinates: 45.1990, -123.3700.
Fly out of 98OR often?
Save 98OR 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.