Twin Lakes Ranch Airport
81OK · Granite, OK · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:05 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:21 AM | 11:21Z |
| Sunrise | 06:49 AM | 11:49Z |
| Sunset | 08:38 PM | 01:38Z |
| Evening civil twilight Loggable night begins | 09:05 PM | 02:05Z |
Plan a flight from 81OK
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 17LEFT traffic
- Heading
- 170° true
- Dimensions
- 2,200 × 35 ft
- TPA
- 2,600 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF-G
Enter the left downwind (heading 350°) 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 |
|---|---|---|
| 17/35 | 2,200 ft |
Prefer one flat page? Full runway details for 81OK → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 81OK kneeboard →
Comms & NavAids
Nearby navigation aids
BFV 110.00 · HBR 115.85 · LTS 109.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BFV · Burns Flat | VORTAC | 110.00 · 37X | Low | r202° / 14.2 NM |
| HBR · Hobart | VORTAC | 115.85 · 105Y | Low | r295° / 16.6 NM |
| LTS · Altus | VORTAC | 109.80 · 35X | Low | r346° / 22.1 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 81OK — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 81OK
- Coordinates
- 35.0264, -99.3394
- Elevation
- 1,630 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for 81OK.
Nearby airports
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Also nearby: OL44 Porter Airport (private) (7 NM) · OL51 Rivercamp Airport (private) (7 NM) · 7OK2 Scott Airport (private) (8 NM) · 2K4 Scott Field (12 NM) · 3O4 Sayre Municipal Airport (18 NM)
About 81OK
Twin Lakes Ranch Airport (81OK) is an airport in Granite, OK, at 1,630 ft MSL. It has 1 runway, the longest 2,200 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 81OK, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at 81OK?
Twin Lakes Ranch Airport has 1 runway; the longest is 2,200 ft. See the Runways section for headings, surface, and lighting.
Where is 81OK?
Twin Lakes Ranch Airport is in Granite, OK, at an elevation of 1,630 ft MSL. Coordinates: 35.0264, -99.3394.
Fly out of 81OK often?
Save 81OK 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.
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 81OK 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.