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

▲ 0.0%

DEP / DAY

▲ 0.0%

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 10 arrivals and 2 departures per day on average over the last 1 days.

Safety incidents

Last 1 days · 0 total

NORMAL

Current weather

From KHRO, 29 mi away (21MU does not publish METAR)

33m ago

Temp

89°F

Wind

7 kts

240°

Visib

10+ km

Ceil

—

KHRO 151453Z AUTO 24007KT 10SM CLR 32/21 A3018 RMK AO2 SLP201 T03170206 52009

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

68% of ops

145 land · 6 TO

32% of ops

69 land · 6 TO

Runway 18 carries 68% of operations (145 landings, 6 takeoffs) over the last 30 days. The next most-used is 36 at 32%.

Approach quality

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

18 145 landings

UA 6%

36 69 landings

UA 0%

Approaches to 18 show a 6% unstable-approach rate (8 UA events from 145 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

4.4

flights/day · 132 total

Busy hour (local)

5pm

also 6pm · 2pm

Day vs night

64%

06:00–20:00 local

Traffic concentrates around 2pm–5pm local, averaging 4.4 flights/day. Weekend volume runs 0.8× weekday (3.8 vs 4.9 daily).

Aircraft character

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

Activity is led by (18% of 98 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.900	—

Airport operations

ARTCC:: ZKC
Elevation:: 1,015 ft

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