Harlan County Lake Seaplane Base, FAA identifier H63, is a public seaplane base on Harlan County Lake about 6 miles southwest of Alma, owned by the US Army Corps of Engineers. Its east-west water runway is 6,000 feet long and 200 feet wide.
The FAA advises pilots to watch for boats from May 1 to September 30 and on holidays. The City of Alma calls it the only seaplane landing area in Nebraska.
