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
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2006/12
- Distance from city
- 9 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:09 AM | 10:09Z |
| Sunrise | 05:41 AM | 10:41Z |
| Sunset | 08:36 PM | 01:36Z |
| Evening civil twilight Loggable night begins | 09:08 PM | 02:08Z |
Plan a flight from 6MU4
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 09 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
2,250 ft × 65 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,250 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HLV · Hallsville | VORTAC | 114.20 | r097° / 19.3 NM |
| COU · Columbia | VOR-DME | 110.20 | r056° / 26.8 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 6MU4. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD CLEAR 20:1 APCH AND CLEAR 7:1 TRANSITIONAL SURFACES.
- 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.
- ACTVT LIRL RY 09/27 - 123.0.
Nearby airports
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.
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 on the Comms & NavAids tab.
What is the longest runway at 6MU4?
Flying Shamrock Airport has 1 runway; the longest is 2,250 ft. See the Runways tab 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.