Airport information
- FAA LID
- OK91
- Coordinates
- 34.6431, -98.0440
- Elevation
- 1,150 ft MSL
- Sectional chart
- DALLAS-FT WORTH
- Airport use
- Private
- Control tower
- No
- ARTCC
- FORT WORTH (ZFW)
- Flight service (FSS)
- MC ALESTER · 1-800-WX-BRIEF
- Attendance
- UNATTND
- Segmented circle
- No
- Activated
- 2017/10
- Distance from city
- 4 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:50 AM | 10:50Z |
| Sunrise | 06:19 AM | 11:19Z |
| Sunset | 08:48 PM | 01:48Z |
| Evening civil twilight Loggable night begins | 09:18 PM | 02:18Z |
Plan a flight from OK91
Traffic pattern
- Landing
- Rwy 17
- Pattern
- left (turns left)
- TPA
- 2,200 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 17 at 2,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 17/35
1,400 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 1,400 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DUC · Duncan | VOR-DME | 111.00 | r329° / 16.8 NM |
| LAW · Lawton | VOR-DME | 109.40 | r055° / 20.3 NM |
VFR sectional
No published instrument procedures or Chart Supplement for OK91. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC FORT WORTH ARTCC AT 817-858-7584.
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 OK91 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 OK91
Malcom Farm Airport (OK91) is an airport in Marlow, OK, at 1,150 ft MSL. It has 1 runway, the longest 1,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for OK91, refreshed from the Aviation Weather Center and FAA NASR.
Does OK91 have a control tower?
No. Malcom Farm Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at OK91?
Malcom Farm Airport has 1 runway; the longest is 1,400 ft. See the Runways tab for headings, surface, and lighting.
Where is OK91?
Malcom Farm Airport is in Marlow, OK, at an elevation of 1,150 ft MSL. Coordinates: 34.6431, -98.0440.
Fly out of OK91 often?
Save OK91 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.