Grand Isle Airport
OK18 · Big Cabin, 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 08:52 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:01 AM | 11:01Z |
| Sunrise | 06:29 AM | 11:29Z |
| Sunset | 08:24 PM | 01:24Z |
| Evening civil twilight Loggable night begins | 08:52 PM | 01:52Z |
Plan a flight from OK18
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 × 50 ft
- TPA
- 1,600 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 350°) on the 45° at 1,600 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 OK18 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the OK18 kneeboard →
Comms & NavAids
Nearby navigation aids
TUL 114.40
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| TUL · Tulsa | VORTAC | 114.40 · 91X | High | r057° / 32.8 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for OK18 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- OK18
- Coordinates
- 36.4234, -95.1711
- Elevation
- 636 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for OK18.
Nearby airports
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Also nearby: OK1 Stearmans Roost Airport (4 NM) · OK30 Grandcraft Landing Strip (private) (7 NM) · OK21 Longs Airport North Airport (private) (8 NM) · 1K8 South Grand Lake Regional Airport (10 NM) · OK95 Disney Airport (private) (11 NM) · H04 Vinita Municipal Airport (13 NM)
About OK18
Grand Isle Airport (OK18) is an airport in Big Cabin, OK, at 636 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 OK18, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at OK18?
Grand Isle Airport has 1 runway; the longest is 2,200 ft. See the Runways section for headings, surface, and lighting.
Where is OK18?
Grand Isle Airport is in Big Cabin, OK, at an elevation of 636 ft MSL. Coordinates: 36.4234, -95.1711.
Fly out of OK18 often?
Save OK18 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 OK18 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.