Flying Shamrock Airport Private

6MU4 · Mexico, MO · Non-towered · Print kneeboard

Elevation
810 ft MSL
Longest runway
2,250 ft 09/27
Runway
1

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 08:45 PM
EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
05:40 AM10:40Z
Sunrise06:10 AM11:10Z
Sunset08:15 PM01:15Z
Evening civil twilight
Loggable night begins
08:45 PM01:45Z
Loggable night (§1.1)
08:45 PM → 05:40 AM
Night currency (§61.57)
09:15 PM → 05:10 AM

Plan a flight from 6MU4

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNxw 180°downwind 090°base 000°final 270°45° entry2709

RWY 27LEFT traffic

Heading
270° true
Dimensions
2,250 × 65 ft
TPA
1,800 ft MSL (≈1,000 AGL) · standard
Surface
Turf

Enter the left downwind (heading 090°) on the 45° at 1,800 ft MSL (≈1,000 AGL).

More details — RWY 27

Edge lights: Low.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

Headings shown are true (magnetic variation unavailable).

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for 6MU4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 6MU4 kneeboard →

Comms & NavAids

Nearby navigation aids

HLV 114.20 · COU 110.20
NavAidTypeFreq · chRangeRadial / Dist magnetic
HLV · Hallsville VORTAC 114.20 · 89X Low r097° / 19.3 NM
COU · Columbia VOR/DME 110.20 · 39X Low r059° / 26.8 NM

Charts & procedures

No published instrument procedures or Chart Supplement for 6MU4 — open it on the VFR sectional →

Airport info

Airport information

FAA LID
6MU4
Coordinates
39.0378, -91.7254
Elevation
810 ft MSL
Sectional chart
ST LOUIS
Airport use
Private
Control tower
No
ARTCC
KANSAS CITY (ZKC)
Flight service (FSS)
COLUMBIA · 122.1R, 122.6 · 1-800-WX-BRIEF
Attendance
UNATNDD
Segmented circle
No
Wind indicator
yes
Activated
2006/12
Distance from city
9 SE

Night operations

Airport lighting
SEE RMK

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
Owner
ALAN W. VAN ALSTINE
10201 COUNTY ROAD 1044, MARTINSBURG, MO
(636) 288-9676
Manager
ALAN W. VAN ALSTINE
10201 COUNTY ROAD 1044, MARTINSBURG, MO
(636) 288-9676
Remarks FAA · 4 notes

General

  • 4 FT FENCE 150 FT FM EAST EOR.
  • POSSIBLE DEER ON RY, FLY OVER ADVISED.
  • FOR CD CTC MIZZOU APCH AT 417-868-5620/5619.

Lighting

  • ACTVT LIRL RY 09/27 - 123.0.

Nearby airports

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Also nearby: 11MO Redgate Ranch Airport (private) (9 NM) · 17MO Rgl Field (private) (9 NM) · MO45 Sky-Vu Airport (private) (11 NM) · MO43 Wilkins Airport (private) (14 NM) · 4MO Montgomery-Wehrman Airport (14 NM)

About 6MU4

Flying Shamrock Airport (6MU4) is an airport in Mexico, MO, at 810 ft MSL. It has 1 runway, the longest 2,250 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 6MU4, refreshed from the Aviation Weather Center and FAA NASR.

Does 6MU4 have a control tower?

No. Flying Shamrock Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at 6MU4?

Flying Shamrock Airport has 1 runway; the longest is 2,250 ft. See the Runways section for headings, surface, and lighting.

Where is 6MU4?

Flying Shamrock Airport is in Mexico, MO, at an elevation of 810 ft MSL. Coordinates: 39.0378, -91.7254.

Fly out of 6MU4 often?

Save 6MU4 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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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 6MU4 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.