Portage, Wisconsin

C47 Portage Muni

Portage Muni (C47) is a non-towered, public-use airport in Portage, Wisconsin, at 824.8 ft MSL. It has 2 runways: 04/22 (2,668 by 40 ft, asphalt), 18/36 (3,770 by 60 ft, asphalt). CTAF 122.7.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA C47
Location
Portage, Wisconsin (Columbia County). 2 NM NW of the city center
Elevation
824.8 ft MSL
Position
43.5603° N, 89.4829° W
Control tower
No, non-towered
Sectional chart
Chicago
Magnetic variation
3° W (2020)
Fuel
100LL
Ownership
Publicly owned, open to the public
Attendance
Unattended

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
04/222,668 × 40 ftAsphalt, fair conditionNot listed
18/363,770 × 60 ftAsphalt, good conditionNon-standard

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
04Left trafficNone listedNone listed109 ftNot listed
22Left trafficNone listedNone listedNone listedNot listed
18Left traffic2-light PAPI, leftNone listed98 ftNot listed
36Left trafficNone listedNone listed262 ftNot listed

VHF

Frequencies

CTAF
122.7
UNICOM
122.7
Approach / departure
120.1
"Madison"
Approach / departure
135.45
"Madison"

Before you go

Brief C47 in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Portage Muni, in the app on iPhone and iPad.

Get Ascent on the App Store

Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.