The Peninsula Private
21MU · Shell Knob, MO · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-02 · night begins 05:43 PM
| Event | Local (CST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:12 AM | 12:12Z |
| Sunrise | 06:38 AM | 12:38Z |
| Sunset | 05:17 PM | 23:17Z |
| Evening civil twilight Loggable night begins | 05:43 PM | 23:43Z |
Plan a flight from 21MU
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 18LEFT traffic
- Heading
- 187° true
- Dimensions
- 2,800 × 40 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 007°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 1,000 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,800 ft |
Prefer one flat page? Full runway details for 21MU → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 21MU kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
HRO 112.50 · RZC 116.40
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| HRO · Harrison | VOR/DME | 112.50 · 72X | Low | r312° / 20.6 NM |
| RZC · Razorback | VORTAC | 116.40 · 111X | High | r053° / 35.2 NM |
Prefer one flat list? All 21MU frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for 21MU — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 21MU
- Coordinates
- 36.5649, -93.5096
- Elevation
- 1,015 ft MSL
- Airport use
- Private
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- COLUMBIA · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2004/07
- Distance from city
- 7 SE
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- PVT AIRSTRIP - PPR. CTC AMGR.
- DAY ONLY OPS.
- FOR CD CTC SPRINGFIELD APCH AT 417-868-5620/5619.
- BE ALERT FOR DEER ON RWY.
Runways
- RY 18/36 SMALL CONES LINE BOTH SIDES OF STRIP.
Nearby airports
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Also nearby: MO06 Discovery Bay At Norwalk Landing (private) (4 NM) · MO64 Kimberling (private) (4 NM) · 5MO7 Pilots Point (private) (6 NM) · MO04 Bel-Voir Acres (private) (6 NM) · MO00 Turkey Mountain (private) (8 NM) · MO32 Table Rock (private) (8 NM)
About 21MU
The Peninsula (21MU) is an airport in Shell Knob, MO, at 1,015 ft MSL. It has 1 runway, the longest 2,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 21MU, refreshed from the Aviation Weather Center and FAA NASR.
Does 21MU have a control tower?
No. The Peninsula is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 21MU?
The Peninsula has 1 runway; the longest is 2,800 ft. See the Runways section for headings, surface, and lighting.
Where is 21MU?
The Peninsula is in Shell Knob, MO, at an elevation of 1,015 ft MSL. Coordinates: 36.5649, -93.5096.
More about 21MU
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 21MU in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.