📍 Afton⬆ 792 ft1 runways
K3O9 · NRI
Grand Lake Regional Airport
36.57760°N
-94.86190°W
ARR / DAY
1
▼
66.7%
DEP / DAY
1
▼
54.5%
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 1 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KXNA, 37 mi away (K3O9 does not publish METAR)
Temp
51°F
Wind
0 kts
0°
Visib
10+ km
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
68% of ops
36 land · 10 TO
17
32% of ops
17 land · 32 TO
Runway 35 carries 68% of operations (36 landings, 10 takeoffs) over the last 30 days. The next most-used is 17 at 32%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
35
36 landings
UA 28%
17
17 landings
UA 18%
Approaches to 35 show a 28% unstable-approach rate (10 UA events from 36 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
3.4
flights/day · 101 total
Busy hour (local)
7pm
also 3pm · 4pm
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
Hourly traffic
Avg movements per hour · local time · last 30 days
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 09:44 UTC