1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
OK81
Elevation
1,330 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
34.684, -97.867
Airport Information
Facility Type
AIRPORT
Elevation
1,330 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
FORT WORTH
Coordinates
34.6841, -97.8667
Ownership
Private
Hours of Operation
Current Weather
METAR KDUC 131415Z AUTO 19007KT 10SM CLR 22/17 A3010 RMK AO2
Flight Category
VFR
Wind
190° at 7 kt
Visibility
10+ SM
Temperature
22°C
Dewpoint
17°C
Altimeter
1019.40 inHg
Cloud Cover
CLR
Nearest weather from KDUC (14 NM away)
Observed 2026-05-13 14:15Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 17/35 | 1,280 ft | 80 ft | TURF | - |
Active NOTAMs
No active NOTAMs for OK81.
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OK81 Operational Overview
Location & Facility
BROWN AIRSTRIP (OK81) is a privately owned airport restricted to private use located in MARLOW, Oklahoma, United States. The field sits at an elevation of 1,330 feet above mean sea level (MSL) at coordinates 34.6841°N, 97.8667°W.
Runways
BROWN AIRSTRIP has 1 runway. The longest runway (17/35) measures 1,280 feet by 80 feet with a turf surface.
Communications & Operations
BROWN AIRSTRIP is a non-towered (pilot-controlled) field.
Current Conditions
The current flight category at BROWN AIRSTRIP is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is OK81?
OK81 is the ICAO identifier for BROWN AIRSTRIP, a public-use airport located in MARLOW, Oklahoma, United States.
How many runways does BROWN AIRSTRIP have?
BROWN AIRSTRIP (OK81) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of OK81?
The field elevation of BROWN AIRSTRIP is 1,330 feet above mean sea level (MSL).
Is fuel available at OK81?
No fuel types are currently listed for BROWN AIRSTRIP. Contact the FBO directly for availability.
What are the current weather conditions at OK81?
The current flight category at BROWN AIRSTRIP is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at OK81?
There are currently no active NOTAMs for BROWN AIRSTRIP.
How do I access complete data for OK81?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for BROWN AIRSTRIP.
Where is BROWN AIRSTRIP located?
BROWN AIRSTRIP (OK81) is located in MARLOW, Oklahoma, United States, at an elevation of 1,330 ft MSL.