Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer
Grand Lake St Marys Seaplane Base (O12) — St Marys, United States
At a glance
- Operating hours
- 12:00–21:00 UTC
- Fuel
- 100LL
- Runways
- 09/27, 09W/27W
- Elevation
- 871 ft
Times in UTC. Reference only: verify with the AIP and NOTAMs.
This information may contain errors or be outdated. Create a free account to suggest corrections and earn points.
73%
Data Complete
38 of 52 points
Missing: Contacts
Section Breakdown
Basic Info
7/7
Runways
4/4
Frequencies
1/4
Operations
2/2
Fuel
1/1
Contacts
0/2
Additional Info
2/10
Data last updated:
Help keep this data accurate!
See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
Basic Airport Information
- ICAO: O12
- Name: Grand Lake St Marys Seaplane Base
- Type: seaplane_base
- Category: Domestic
- Latitude: 40.541
- Longitude: -84.4907
- Elevation: 871 ft
- Country: United States
- Municipality: St Marys
- IATA Code: N/A
- FAA Code: N/A
- FIR: N/A
- Timezone: America/New_York
- Distance from City: N/A km
- VFR: Yes
- IFR: No
Runways
Runway 09/27
- Designation: 09/27
- Dimensions: 2134x1219m
- Surface: WATER
- PCN: N/A
- Lighting: Not lighted
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Runway 09W/27W
- Designation: 09W/27W
- Dimensions: 7000 x 4000 ft
- Surface: WATER
- PCN: N/A
- Lighting: N/A
- NAVAIDs: N/A
- Approach Types: N/A
- Remarks: N/A
Frequencies
- Tower: N/A
- Ground: N/A
- Operations: 122.900 MHz
- Traffic/Approach: N/A
- ATIS: N/A
Operation Hours
Monday
12:00
–
21:00
Tuesday
12:00
–
21:00
Wednesday
12:00
–
21:00
Thursday
12:00
–
21:00
Friday
12:00
–
21:00
Saturday
12:00
–
21:00
Sunday
12:00
–
21:00
- Extra Hours On Request: Not recorded
- Remarks: N/A
Contacts
- AIS Tel: N/A
- ARO Tel: N/A
- MET Tel: N/A
- Admin Tel: +1 419-394-3611
- Health Tel: N/A
- Police Tel: N/A
- Authorities Tel: N/A
- Website: N/A
- Remarks: N/A
Slots / PPR
- Slot Required: Not recorded
- PPR Required: Not recorded
- PPR Contact: N/A
- Remarks: N/A
Fuel Information
- Fuel Type: 100LL
- Price/L: N/A
- Last Updated: N/A
- Remarks: N/A
Immigration
- Port of Entry: Not recorded
- APIS Required: Not recorded
- GAR Required: Not recorded
- Remarks: N/A
Airport Services
No services listed for this airport yet.
Are you a service provider? Register here to appear in this airport's listing.
United States Permit Requirements
Fast
Landing: 1d
- Overflight Permit: No
- Landing Permit: Conditional
- Overflight Lead Time: N/A
- Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification
Private / GA Operations:
No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.
NOTAMs
No NOTAMs received for O12 from the FAA NOTAM feed. That does not prove there are none: check FAA NOTAM Search before flight.
Nearby Airports
Airport History
No milestones recorded for Grand Lake St Marys Seaplane Base yet. Know when it opened, who built it or a notable event? Add it with a source.
Add a historical factFrequently Asked Questions
- What are the operating hours of O12?
- Grand Lake St Marys Seaplane Base operates from 12:00 to 21:00.
- What fuel is available at O12?
- Grand Lake St Marys Seaplane Base offers 100LL.
- Does O12 require landing permits?
- It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
- Where is O12 located?
- Grand Lake St Marys Seaplane Base (O12) is located in St Marys, United States.
- How long is the runway at O12?
- The main runway at Grand Lake St Marys Seaplane Base (09/27) measures 2134x1219m.