St Mary's Seaplane Base
Daylight today(Jul 15, 2026, local time)
About 14h 41m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About St Mary's Seaplane Base
St Mary's Seaplane Base is a seaplane base in St Mary's, United States. It sits at an elevation of 587 ft (179 m) and has 1 runway, the longest 5,000 ft / 1,524 m. It observes America/New York local time. The nearest airport is Mid Ohio Valley Regional Airport (PKB), about 11.8 nm to the wsw.
Summary generated from this airport’s structured data — reference only.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 04W / 22W | 5,000 ft / 1,524 m | 500 ft | Water | Unlit | Open |
Nearby airports
Great-circle distance and true bearing from St Mary's Seaplane Base.
Frequently asked questions
Where is St Mary's Seaplane Base located?
St Mary's Seaplane Base is seaplane base located in St Mary's, United States, at an elevation of 587 ft (179 m).
How many runways does St Mary's Seaplane Base have?
St Mary's Seaplane Base has 1 runway, the longest being 5,000 ft / 1,524 m.
What time zone is St Mary's Seaplane Base in?
St Mary's Seaplane Base is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at St Mary's Seaplane Base?
The magnetic variation (declination) at St Mary's Seaplane Base is approximately 8.3° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near St Mary's Seaplane Base?
The nearest airport to St Mary's Seaplane Base is Mid Ohio Valley Regional Airport (PKB), about 11.8 nm to the wsw, followed by Checkpoint Charlie Airport and Hales Landing Airport.
Is the information on this page suitable for flight planning?
No. St Mary's Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.