Harlan County Lake Seaplane Base
Daylight today(Sep 3, 2026, local time)
About 13h 2m 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 Harlan County Lake Seaplane Base
Harlan County Lake Seaplane Base is a public use seaplane base located six nautical miles (11 km) southwest of the central business district of Alma, a city in Harlan County, Nebraska, United States. It is owned by the U.S. Army Corps of Engineers.
Summary from Wikipedia licensed under CC BY-SA.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| E / W | 6,000 ft / 1,829 m | 200 ft | Water | Unlit | Open |
Nearby airports
Great-circle distance and true bearing from Harlan County Lake Seaplane Base.
Frequently asked questions
Where is Harlan County Lake Seaplane Base located?
Harlan County Lake Seaplane Base is seaplane base located in Alma, United States, at an elevation of 1,946 ft (593 m).
How many runways does Harlan County Lake Seaplane Base have?
Harlan County Lake Seaplane Base has 1 runway, the longest being 6,000 ft / 1,829 m.
What time zone is Harlan County Lake Seaplane Base in?
Harlan County Lake Seaplane Base is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Harlan County Lake Seaplane Base?
The magnetic variation (declination) at Harlan County Lake Seaplane Base is approximately 4.2° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Harlan County Lake Seaplane Base?
The nearest airport to Harlan County Lake Seaplane Base is Alma Municipal Airport (4D9), about 6 nm to the nw, followed by Smith Airport and L J Bose Airstrip.
Is the information on this page suitable for flight planning?
No. Harlan County Lake Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.