📍 Afton⬆ 792 ft1 runways
K3O9 · NRI
Grand Lake Regional Airport
36.57760°N
-94.86190°W
ARR / DAY
3
▼
23.1%
DEP / DAY
3
▼
16.7%
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 3 arrivals and 3 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KGMJ, 7 mi away (K3O9 does not publish METAR)
Temp
99°F
Wind
8 kts
200°
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
56% of ops
70 land · 12 TO
17
44% of ops
55 land · 91 TO
Runway 35 carries 56% of operations (70 landings, 12 takeoffs) over the last 30 days. The next most-used is 17 at 44%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
35
70 landings
UA 13%
17
55 landings
UA 4%
Approaches to 35 show a 13% unstable-approach rate (9 UA events from 70 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
5.1
flights/day · 154 total
Busy hour (local)
3pm
also 2pm · 4pm
Day vs night
70%
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 17:31 UTC