Airports / 21MU / The Peninsula AirportModerate ground coverage

📍 Shell Knob⬆ 1,015 ft1 runways

21MU ·

The Peninsula Airport

36.56490°N

-93.50960°W

ARR / DAY

▼ 81.8%

DEP / DAY

▼ 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 1 arrivals and 0 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

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Temp

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Wind

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Visib

—

Ceil

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Runways

1 installed

2,800 FT MAX

18/36

2,800 ft × 60

TURF-G○ unlit

Runway intelligence

Which runway carries the operations, observed over the last 30 days

84% of ops

267 land · 0 TO

16% of ops

49 land · 7 TO

Runway 18 carries 84% of operations (267 landings, 0 takeoffs) over the last 30 days. The next most-used is 36 at 16%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

18 267 landings

UA 0%

36 49 landings

UA 0%

Approaches to 18 show a 0% unstable-approach rate (1 UA events from 267 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

3.9

flights/day · 117 total

Busy hour (local)

4pm

also 1pm · 2pm

Day vs night

68%

06:00–20:00 local

Traffic concentrates around 2pm–4pm local, averaging 3.9 flights/day. Weekend volume runs 1.1× weekday (4.4 vs 3.9 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (20% of 80 flights). Top three types: , , .

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

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