Sean D Sheldon Memorial Airfield
23MU · Osceola, Missouri · St Clair County · map
Sean D Sheldon Memorial Airfield is a private airport owned by Flatwater LLC, 2 miles south of Osceola, Missouri, 900 feet above sea level. Its one runway, 18/36, is 2,430 feet of grass and gravel.
Private use: permission from the owner is required before landing here.
The airport
- Codes
- FAA 23MU
- Kind
- Airport · private use, permission required · privately owned
- Owner
- Flatwater LLC
- Elevation
- 900 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Repairs
- engine: none
- On the chart
- Kansas City sectional
- Magnetic variation
- 4E
- In the FAA's files since
- June 1973
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 2,430 × 74 ft | Grass and gravel, fair |
- Runway 18: fence 3 ft high 60 ft from the end
- Runway 36: threshold displaced 300 ft, trees 48 ft high 810 ft from the end
Aircraft registered in Osceola from the FAA register
4 aircraft are registered to owners in Osceola, Missouri: 4 piston singles. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Missouri.
Accidents and incidents at or near this airport NTSB records
No NTSB accident or incident records name this airport.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Private east/west taxiway at runway 18 threshold.
- Non-standard segmented circle; incorrect spacing and size of barrels. Poor condition.
- Displaced thld daylight use only; displaced thld +3 feet higher than runway end thld.
- Runway 18/36 markings non-standard: runway marked with large yellow cones. Displaced thld marked with 3 large yellow cones on each side of runway.
- 7:1 to displaced thld; 1-40 feet brush and trees 0-600 feet 100 feet left and right; 0:1 based on displaced thld.
- Runway 18/36 rough and uneven.
- Runway 18 /36 south end 800 feet very soft grass after rain and in spring.
- Ntsd runway safety area bynd runway 18 end; insuf length and fence.
- Perpendicular taxiway not intended for landing.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.