Martens Airport Private
4MO8 · Atherton, MO · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:56 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:50 AM | 10:50Z |
| Sunrise | 06:20 AM | 11:20Z |
| Sunset | 08:26 PM | 01:26Z |
| Evening civil twilight Loggable night begins | 08:56 PM | 01:56Z |
Plan a flight from 4MO8
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
RWY 27LEFT traffic
- Heading
- 266° mag · 270° true
- Dimensions
- 2,100 × 80 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 086°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
More details — RWY 27
- Approach obstacle
- Trees, 45 ft, 1,000 ft from threshold
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,100 ft |
Prefer one flat page? Full runway details for 4MO8 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4MO8 kneeboard →
Comms & NavAids
Nearby navigation aids
ANX 115.15 · MCI 113.25 · BQS 115.35
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ANX · Napoleon | VORTAC | 115.15 · 98Y | Low | r309° / 9.4 NM |
| MCI · Kansas City | VORTAC | 113.25 · 79Y | High | r097° / 22.2 NM |
| BQS · Braymer | VOR/DME | 115.35 · 100Y | Low | r213° / 31.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 4MO8 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4MO8
- Coordinates
- 39.2067, -94.2697
- Elevation
- 720 ft MSL
- Magnetic variation
- 4E
- Sectional chart
- KANSAS CITY
- 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
- Activated
- 1992/11
- Distance from city
- 3 NE
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC KANSAS CITY APCH AT 816-329-2710.
Obstructions
- 50 FT PLINE 2500 FT WEST.
Nearby airports
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Also nearby: 4MO4 Liberty Landing Airport (3 NM) · 3EX Excelsior Springs Memorial Airport (9 NM) · 62MO Washburn Farm Airport (private) (9 NM) · 20MO Royal Wood Aerodrome (private) (9 NM) · 0N0 Roosterville Airport (9 NM)
About 4MO8
Martens Airport (4MO8) is an airport in Atherton, MO, at 720 ft MSL. It has 1 runway, the longest 2,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4MO8, refreshed from the Aviation Weather Center and FAA NASR.
Does 4MO8 have a control tower?
No. Martens Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4MO8?
Martens Airport has 1 runway; the longest is 2,100 ft. See the Runways section for headings, surface, and lighting.
Where is 4MO8?
Martens Airport is in Atherton, MO, at an elevation of 720 ft MSL. Coordinates: 39.2067, -94.2697.
Fly out of 4MO8 often?
Save 4MO8 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.
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 4MO8 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.