Brown Airstrip Private
OK81 · Marlow, OK · 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 07:59 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:51 AM | 11:51Z |
| Sunrise | 07:16 AM | 12:16Z |
| Sunset | 07:34 PM | 00:34Z |
| Evening civil twilight Loggable night begins | 07:59 PM | 00:59Z |
Plan a flight from OK81
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
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Runways
RWY 17LEFT traffic
- Heading
- 170° true
- Dimensions
- 1,280 × 80 ft
- TPA
- 2,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 350°) on the 45° at 2,300 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 1,280 ft |
Prefer one flat page? Full runway details for OK81 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the OK81 kneeboard →
Comms & NavAids
Nearby navigation aids
LAW 116.85
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| LAW · Lawton | VOR/DME | 116.85 · 115Y | Low | r058° / 29.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for OK81 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- OK81
- Coordinates
- 34.6841, -97.8667
- Elevation
- 1,330 ft MSL
- Airport use
- Private
- Control tower
- No
- ARTCC
- FORT WORTH (ZFW)
- Flight service (FSS)
- MC ALESTER · 122.3 · 1-800-WX-BRIEF
- Attendance
- UNATTND
- Segmented circle
- No
- Activated
- 2017/09
- Distance from city
- 5 NE
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC FORT WORTH ARTCC AT 817-858-7584.
Nearby airports
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Also nearby: OK89 L&L (private) (2 NM) · 61OK Lemons Airstrip (private) (3 NM) · OK40 Double H Ranch (private) (3 NM) · 2OK0 Vr Airstrip (private) (4 NM) · 88OK Boice Field (private) (7 NM) · 1OK3 Wolfe Field (private) (7 NM)
About OK81
Brown Airstrip (OK81) is an airport in Marlow, OK, at 1,330 ft MSL. It has 1 runway, the longest 1,280 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for OK81, refreshed from the Aviation Weather Center and FAA NASR.
Does OK81 have a control tower?
No. Brown Airstrip is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at OK81?
Brown Airstrip has 1 runway; the longest is 1,280 ft. See the Runways section for headings, surface, and lighting.
Where is OK81?
Brown Airstrip is in Marlow, OK, at an elevation of 1,330 ft MSL. Coordinates: 34.6841, -97.8667.
More about OK81
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 OK81 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.