Airport information
- FAA LID
- 3O9 / NRI
- Coordinates
- 36.5776, -94.8619
- Elevation
- 792 ft MSL
- Magnetic variation
- 5E
- Sectional chart
- KANSAS CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- MC ALESTER
- NOTAM facility
- MLC
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1959/06
- Distance from city
- 10 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:31 AM | 10:31Z |
| Sunrise | 06:01 AM | 11:01Z |
| Sunset | 08:41 PM | 01:41Z |
| Evening civil twilight Loggable night begins | 09:12 PM | 02:12Z |
Plan a flight from 3O9
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 17 · 166°
- Pattern
- left (turns left)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
- CTAF
- 122.7
Enter the left downwind for Rwy 17 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 17/35
3,925 ft × 60 ft · Concrete (Fair)- Heading
- 166° mag · 171° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 26 ft, 283 ft from threshold, 0 ft L/R of centerline — 3:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 230 ft
- Heading
- 346° mag · 351° true
- Markings
- basic
- Traffic pattern
- Left
- Displaced threshold
- 230 ft
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 3,925 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| UNIC | 122.7 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| EOS · Neosho | VOR-DME | 117.30 | r225° / 26 NM |
| OSW · Oswego | VORTAC | 117.60 | r147° / 38.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
Ownership & management
Remarks FAA
- THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
- 130 FT TOWER 1200 FT EAST OF RY 17.
- RY 17 END IS 30 FT HIGHER THAN RY 35 END.
- BIRDS ON & INVOF ARPT.
- FOR CD CTC KANSAS CITY ARTCC AT 913-254-8508.
- 230 FT SAFETY ZONE ON EITHER ENDS OF RWY MKD AS DSPLCD THLD.
- 40 FT TREES 97 FT RIGHT AT THLD; 7 FT ROAD 40 FT FM RY END & 0B.
- 10 FT MARINA BUILDING 60 FT FM RY END & 190 FT RIGHT.
- MRKGS SVRLY FADED
- MRKGS SVRLY FADED
- 25:1 OBS CLNC SLOPE TO DTHR.
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 3O9 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 3O9
Grand Lake Regional Airport (3O9 · NRI) is an airport in Afton, OK, at 792 ft MSL. It has 1 runway, the longest 3,925 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3O9, refreshed from the Aviation Weather Center and FAA NASR.
Does 3O9 have a control tower?
No. Grand Lake Regional Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3O9?
Grand Lake Regional Airport has 1 runway; the longest is 3,925 ft. See the Runways tab for headings, surface, and lighting.
Where is 3O9?
Grand Lake Regional Airport is in Afton, OK, at an elevation of 792 ft MSL. Coordinates: 36.5776, -94.8619.
Fly out of 3O9 often?
Save 3O9 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.