Airport information
- FAA LID
- OK77
- Coordinates
- 35.4159, -98.5425
- Elevation
- 1,628 ft MSL
- Sectional chart
- DALLAS-FT WORTH
- Airport use
- Private
- Control tower
- No
- ARTCC
- FORT WORTH (ZFW)
- Flight service (FSS)
- MC ALESTER
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2017/04
- Distance from city
- 8 S
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:49 AM | 10:49Z |
| Sunrise | 06:19 AM | 11:19Z |
| Sunset | 08:52 PM | 01:52Z |
| Evening civil twilight Loggable night begins | 09:22 PM | 02:22Z |
Plan a flight from OK77
Traffic pattern
- Landing
- Rwy 3
- Pattern
- left (turns left)
- TPA
- 2,600 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 3 at 2,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 3/21
1,800 ft × 60 ft · Turf- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 3/21 | 1,800 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BFV · Burns Flat | VORTAC | 110.00 | r064° / 34.2 NM |
| IFI · Kingfisher | VORTAC | 114.70 | r220° / 35.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for OK77. 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 OK77 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 OK77
Mound Valley Farm Airport (OK77) is an airport in Hydro, OK, at 1,628 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 OK77, refreshed from the Aviation Weather Center and FAA NASR.
Does OK77 have a control tower?
No. Mound Valley 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 OK77?
Mound Valley Farm Airport has 1 runway; the longest is 1,800 ft. See the Runways tab for headings, surface, and lighting.
Where is OK77?
Mound Valley Farm Airport is in Hydro, OK, at an elevation of 1,628 ft MSL. Coordinates: 35.4159, -98.5425.
Fly out of OK77 often?
Save OK77 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.