Airport information
- FAA LID
- M71
- Coordinates
- 38.9018, -90.9603
- Elevation
- 549 ft MSL
- Magnetic variation
- 2E
- Sectional chart
- KANSAS CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- SAINT LOUIS
- NOTAM facility
- STL
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1991/03
- Distance from city
- 4 SW
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 | 05:06 AM | 10:06Z |
| Sunrise | 05:39 AM | 10:39Z |
| Sunset | 08:33 PM | 01:33Z |
| Evening civil twilight Loggable night begins | 09:05 PM | 02:05Z |
Plan a flight from M71
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 09 · 090°
- Pattern
- left (turns left)
- TPA
- 1,500 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 09 at 1,500 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
3,227 ft × 50 ft · Asphalt (Good)- Heading
- 090° mag · 92° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 33 ft, 308 ft from threshold, 120 ft R of centerline — 3:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 270° mag · 272° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 35 ft, 850 ft from threshold, 136 ft L of centerline — 18:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 3,227 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| FTZ · Foristell | VORTAC | 110.80 | r357° / 12.5 NM |
| STL · St Louis | VORTAC | 117.40 | r275° / 22.5 NM |
| CSX · Cardinal | VOR-DME | 116.45 | r288° / 29.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Parking
- hangars
Ownership & management
Remarks FAA
- MAINTAIN CLEAR 20:1 APCH SLOPE; MAINTAIN CLEAR 7:1 TRANSITIONAL SFC SLOPE.
- NTSD RY SAFETY AREA BYND EACH RY END & ALONG RY EDGES; RW 09 END HAS LARGE DROP-OFF; RY 27 INCORRECT TERRAIN GRADES WITH BRUSH & TREES; BRUSH, SMALL TREES, EXCESSIVE EDGE DROPS & DITCHES ALONG PVMT EDGES.
- HIGH GND, BRUSH, TREES, AND BLDGS PENETRATE PRIMARY AND TRANSITIONAL SURFACES & CLOSE TO RY EDGES.
- WILDLIFE ON & INVOF ARPT.
- FOR CD CTC ST LOUIS APCH AT 314-890-1017.
- AIRPORT PHYSICAL ADDRESS.
- POWERLINES 125 FT R AND L, 170 FT FM RWY END; +1-35 FT TREES, 118-200 FT FM RWY END, 70-125 FT R.
- +1-6 FT GND & BRUSH, 0-200 FT FM RY END, 100-145 FT L.
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 M71 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 M71
Greensfield Airport (M71) is an airport in Moscow Mills, MO, at 549 ft MSL. It has 1 runway, the longest 3,227 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for M71, refreshed from the Aviation Weather Center and FAA NASR.
Does M71 have a control tower?
No. Greensfield Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at M71?
Greensfield Airport has 1 runway; the longest is 3,227 ft. See the Runways tab for headings, surface, and lighting.
Where is M71?
Greensfield Airport is in Moscow Mills, MO, at an elevation of 549 ft MSL. Coordinates: 38.9018, -90.9603.
Fly out of M71 often?
Save M71 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.