Grand Lake St. Marys
O12 · St Marys, Ohio · Auglaize County · map
Grand Lake St. Marys is a public-use airfield, 5 miles west of St Marys, Ohio, 871 feet above sea level. It has 1 water landing area. It has fuel (100LL avgas).
The airport
- Codes
- FAA O12
- Kind
- Airfield · open to the public · publicly owned
- Elevation
- 871 feet above sea level
- Control tower
- No control tower
- Attended
- April to November, every day, 8:00 am to 5:00 pm
- Fuel
- 100LL avgas
- On the chart
- Detroit sectional
- In the FAA's files since
- April 1995
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 09W/27W | 7,000 × 4,000 ft | Water |
- Runway 27W: right-hand traffic pattern
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in St Marys from the FAA register
No aircraft on the register list St Marys, OH as the owner's town.
Accidents and incidents at or near this airfield NTSB records · 1 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Provided 20:1 approach; oil well to the south marked and lighted; sea lanes marked and lighted per AC 150/5395-1.
- No night operations.
- Aircraft operating at Grand Lake state Marys should mnt traffic on lakefield the common traffic frequency and neil armstrong the common traffic frequency.
- Airport closed nov 15 to apr 1 and memorial and labor day.
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.