📍 Afton⬆ 792 ft1 runways
K3O9 · NRI
Grand Lake Regional Airport
36.57760°N
-94.86190°W
ARR / DAY
1
▲
25.0%
DEP / DAY
0
▲
0.0%
Grand Lake Regional Airport (K3O9/NRI) is a small general aviation airport located in Afton, OK, 63 mi north east of Broken Arrow. It features 1 runway measuring 3,925 feet. SkyMeter has observed roughly 1 arrivals and 0 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
—
Wind
—
Visib
—
Ceil
—
Runways
1 installed
17/35
3,925 ft × 60
CON● LIT
Runway intelligence
Which runway carries the operations, observed over the last 30 days
35
85% of ops
22 land · 0 TO
17
15% of ops
4 land · 10 TO
Runway 35 carries 85% of operations (22 landings, 0 takeoffs) over the last 30 days. The next most-used is 17 at 15%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
35
22 landings
UA 0%
17
4 landings
UA 0%
Approaches to 35 show a 0% unstable-approach rate (0 UA events from 22 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
0.8
flights/day · 25 total
Busy hour (local)
6pm
also 5pm · 7pm
Day vs night
60%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 122.700 | — |
| UNICOM | 122.700 | — |
Airport operations
- ARTCC:
- ZKC
- Elevation:
- 792 ft
- Mag var:
- 5° E
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 16:32 UTC