O12

MVFR

GRAND LAKE ST MARYS

ST MARYS · OHIO

Elev
871'
Longest RWY
Tower
None
Status
Uncontrolled
Now--Z· METAR12:55Z
VFR sectional · O12
Tap an ICAO chip to open that airportExpand →
Before you fly into O12
Conditions
MVFR
Marginal · IFR-rated preferred
Airport
Non-towered
Self-announce on CTAF
Pattern alt
1,871'
MSL · field 871' + 1,000 AGL
Favored RWY
Calm
No wind component

METAR & TAF O12

O12 does not publish a METAR.

Showing the nearest reporting station: KAXV (NEIL ARMSTRONG) · 9.2 NM away. Conditions at O12 may differ.

METAR · KAXV

Observed 12:55Z

KAXV 121255Z AUTO 31011G16KT 10SM SCT017 BKN026 BKN100 21/17 A2990 RMK AO2
Wind
310° @ 11G16 kt
Visibility
10 SM
Temp / Dew
21°C / 17°C
Altimeter
29.90 inHg
Clouds
BKN
Density alt
1,825 ft
Ceiling
2,600 ft AGL
Rules
MVFR

Airport info & contacts

Manager on record, flight service, ARTCC, attendance schedule and pattern altitude — published by the FAA and refreshed every 28 days.

Location

From city
5 NM NE
VFR sectional
DETROIT
ARTCC
ZID · INDIANAPOLIS
NOTAM facility
DAY (NOTAM-D)

Airport manager

Name
DAVID FALER, ASST PARK MGR
Address
GRAND LAKE SAINT MARYS STATE PARK, 834 EDGEWATER DR, SAINT MARYS OH 45885-1132

Flight service · Hours

FSS DAY
DAYTON1-800-WX-BRIEF
Attendance
  • APR-NOV · 0800-1700

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF

Runways & pattern

Full page

Runway & wind

tap a runway
310° · 11 kt

Pattern entry · RWY

No runway selected.
RunwayHeading (°M)LengthSurfaceTraffic

Approaches & charts

Chart Supplement
O12 · CHART_SUPP
Can’t preview this PDF inline. Open it →

Services on the field

Fuel grades, oxygen, maintenance, ramp storage and lighting — as declared to the FAA by the airport operator.

Fuel & services

Fuel
100LL

Ramp & ground

Transient storage
  • Not published
Segmented circle
No

Fuel & FBOs

Cheapest 100LL and Jet A on the field and nearby. Always confirm with the FBO before taxi.

Airport notes

Surface conditions, obstructions, local procedures, lighting outages and other notes published with each FAA cycle.

General notes

  • NO NGT OPS.
  • NO PUB DOCKS; PPR FOR PVT DOCK TIE UP; CALL KOZY MARINA 419-394-8797.
  • FOR CD CTC COLUMBUS APCH AT 614-338-8537.

Fuel notes

  • 100LL100LL AVBL ON REQ, PPR, CTC KOZY MARINA 419-394-8797.

Other notes

  • PRVDD 20:1 APCH; OIL WELL TO THE S MKD & LGTD; SEA LANES MKD & LGTD PER AC 150/5395-1.
  • ACFT OPRG AT GRAND LAKE ST MARYS SHOULD MNT TFC ON LAKEFIELD CTAF & NEIL ARMSTRONG CTAF.
  • 1ARPT CLSD NOV 15 TO APR 1 & MEMORIAL & LABOR DAY.
  • MANAGERCELL 419-656-7060.

VFR map & nearby airports

VFR sectional. Tap any ICAO chip to open that airport.

Key facts · O12

Answer card
ICAO
O12
Name
GRAND LAKE ST MARYS
Location
ST MARYS, OHIO
Elevation
871 ft MSL
Traffic pattern altitude
1,871 ft MSL (1,000 AGL)
Control tower
Non-towered (use CTAF)
Total runways
0
Longest runway
Published ILS approaches
0
Published frequencies
1
Magnetic variation
Current flight rules
MVFR
Current wind
310° at 11 kt
Favored runway now

Grand Lake St Marys (O12) sits in St Marys, Ohio. Field elevation is 871 ft MSL. No runways are listed in the facts, so check the current FAA Chart Supplement and the airport operator before planning an arrival. CTAF is 122.9. No tower is published. No ILS approaches are published.

Pattern altitude is not published. Use the standard 1,000 ft AGL for light piston operations unless the current Chart Supplement says otherwise. The airport has a 20 to 1 approach slope noted in the remarks. An oil well south of the field is marked and lighted. Seaplane lanes are also marked and lighted. No night operations are permitted. The airport is closed from November 15 to April 1. It is also closed on Memorial Day and Labor Day.

No on-field FBOs are listed. 100LL is available on request with prior permission through Kozy Marina. No public docks are available. Prior permission is required for private dock tie-up. Pilots should also monitor Lakefield CTAF and Neil Armstrong CTAF when operating in the area. For clearance delivery, contact Columbus Approach. This is a water and seasonal-use environment. Plan ahead for access, permissions and local traffic before you launch.

Frequently asked questions

What is the field elevation at O12 Grand Lake St Marys?
The field elevation is 871 ft MSL. Use that when you are checking performance and density altitude for a summer departure.
Does Grand Lake St Marys have any runways listed?
No runways are listed in the facts provided. Verify the current FAA Chart Supplement and confirm the usable landing area with the airport operator before you go.
Is there an ILS at O12?
No ILS approaches are published for O12. Plan on using other current procedures only if they are published in the FAA Chart Supplement.
What is the CTAF at Grand Lake St Marys?
CTAF is 122.9. Monitor it early because the remarks also say to watch Lakefield CTAF and Neil Armstrong CTAF in the area.
Can you fly into O12 at night?
No night operations are permitted. Plan a daytime arrival only and verify seasonal closure dates before departure.
When is Grand Lake St Marys closed?
The airport is closed from November 15 to April 1. It is also closed on Memorial Day and Labor Day.
Is 100LL available at Grand Lake St Marys?
Yes. 100LL is available on request with prior permission through Kozy Marina. Call 419-394-8797 before arrival.
Who do I call for clearance delivery at O12?
Contact Columbus Approach at 614-338-8537 for clearance delivery. The remarks also list the manager cell number as 419-656-7060.

Get PilotGPT

Fly into O12 with confidence

Live ATC transcription, AI flight planning, POH search and georeferenced charts — offline-ready on iOS.

Download · 7-day free trial