📍 Shell Knob⬆ 1,015 ft1 runways
21MU ·
The Peninsula Airport
36.56490°N
-93.50960°W
ARR / DAY
6
▲
57.7%
DEP / DAY
1
▲
100.0%
The Peninsula Airport (21MU) is a small general aviation airport located in Shell Knob, MO, 46 mi south of Springfield. It features 1 runway measuring 2,800 feet. SkyMeter has observed roughly 6 arrivals and 1 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KROG, 36 mi away (21MU does not publish METAR)
Temp
99°F
Wind
8 kts
190°
Visib
10+ km
Ceil
—
Runways
1 installed
18/36
2,800 ft × 60
TURF-G○ unlit
Runway intelligence
Which runway carries the operations, observed over the last 30 days
18
80% of ops
125 land · 4 TO
36
20% of ops
31 land · 6 TO
Runway 18 carries 80% of operations (125 landings, 4 takeoffs) over the last 30 days. The next most-used is 36 at 20%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
18
125 landings
UA 0%
36
31 landings
UA 6%
Approaches to 18 show a 0% unstable-approach rate (0 UA events from 125 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
4.6
flights/day · 137 total
Busy hour (local)
2pm
also 3pm · 8pm
Day vs night
64%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 122.900 | — |
Airport operations
- ARTCC:
- ZKC
- Elevation:
- 1,015 ft
Hourly traffic
Avg movements per hour · local time · last 30 days
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 21:56 UTC