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1WI5

Beaver Dam Lake Seaplane Base

Randolph, WisconsinElevation 871 ftSeaplane base

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RUNWAYS

Runway detail & declared distances

3 runways · longest 10,000 ft

09W/27W
Dimensions
5,000 x 1,000 ft
Surface
Water
RWY 09W
Traffic patternLeft
RWY 27W
Traffic patternLeft
05W/23W
Dimensions
10,000 x 1,000 ft
Surface
Water
RWY 05W
Traffic patternLeft
RWY 23W
Traffic patternLeft
18W/36W
Dimensions
5,000 x 1,000 ft
Surface
Water
RWY 18W
Traffic patternLeft
RWY 36W
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Beaver Dam Lake Seaplane Base is in Randolph, Wisconsin. Field elevation 871 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSeaplane base
ManagerMICHAEL A. BURBACK
Manager phone414-326-3158
AttendedDaily, DALGT
CHARTS & AIRSPACE
ICAO / IATA1WI5
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates43.5150, -88.9526
Distance from city3 NM SE
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›CONCRETE RAMP UP ONTO SHORE; TIE DOWNS ON SHORE.
›OWNER INDICATES PILOTS LAND AT OWN RISK OR EMERGENCY.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
›IN BEAVER DAM ONE 414-326-3158.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗1WI5 on OurAirports
FREQUENTLY ASKED
Does 1WI5 have a METAR?
No on-field METAR is issued for 1WI5. This page uses the nearest reporting station as a reference.
Does 1WI5 have a TAF?
No TAF is issued directly for 1WI5. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 1WI5?
1WI5 sits at 871 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 1WI5?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.