Mound Valley Farm Private
OK77 · Hydro, OK · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:58 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:56 AM | 11:56Z |
| Sunrise | 07:21 AM | 12:21Z |
| Sunset | 07:33 PM | 00:33Z |
| Evening civil twilight Loggable night begins | 07:58 PM | 00:58Z |
Plan a flight from OK77
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…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 21LEFT traffic
- Heading
- 210° true
- Dimensions
- 1,800 × 60 ft
- TPA
- 2,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 030°) on the 45° at 2,600 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 |
|---|---|---|
| 03/21 | 1,800 ft |
Prefer one flat page? Full runway details for OK77 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the OK77 kneeboard →
Comms & NavAids
Nearby navigation aids
BFV 110.00 · IFI 114.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BFV · Burns Flat | VORTAC | 110.00 · 37X | Low | r067° / 34.2 NM |
| IFI · Kingfisher | TACAN | 114.70 · 94X | — | r220° / 35.2 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for OK77 — open it on the VFR sectional →
Airport info
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 · 122.3 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2017/04
- Distance from city
- 8 S
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: 16OK Entz Arts (private) (3 NM) · 08OL Broken B (private) (3 NM) · 05OK Muncy (private) (3 NM) · 29OK Smith Airpark (private) (4 NM) · 1OK2 Entz Home (private) (5 NM) · 60OK Lawles (private) (5 NM)
About OK77
Mound Valley Farm (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 is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at OK77?
Mound Valley Farm has 1 runway; the longest is 1,800 ft. See the Runways section for headings, surface, and lighting.
Where is OK77?
Mound Valley Farm is in Hydro, OK, at an elevation of 1,628 ft MSL. Coordinates: 35.4159, -98.5425.
More about OK77
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.
Something here wrong or out of date? Report a data problem.