Beaver Dam Lake Seaplane Base
1WI5 has 3 runways. The longest is 5/23 at 10,000 ft × 1,000 ft (water).
FAA NASR data, cycle 2026-09-03
1WI5 field elevation is 871 ft MSL. The standard traffic pattern altitude at 1WI5 is 1,870 ft MSL (1,000 ft AGL).
FAA NASR data, cycle 2026-09-03
Check 1WI5 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, 1WI5 is a non-towered airport.
1WI5 has 3 runways (5/23, 9/27, 18/36). The longest runway is 10,000 feet.
Runway 5/23 is the longest at 1WI5 — 10,000 ft × 1,000 ft, water.
1WI5 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,870 feet MSL at a field elevation of 871 feet.
1WI5 (Beaver Dam Lake Seaplane Base) has a field elevation of 871 feet MSL.
1WI5 (Beaver Dam Lake Seaplane Base) is located in Randolph, WI.