Janesville, Wisconsin

KJVL Southern Wisconsin Rgnl

Southern Wisconsin Rgnl (KJVL) is a towered, public-use airport in Janesville, Wisconsin, at 807.8 ft MSL. It has 3 runways: 04/22 (6,701 by 150 ft, asphalt), 14/32 (7,302 by 150 ft, concrete), 18/36 (5,004 by 75 ft, asphalt). CTAF 118.8.

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

Airport

At a glance

Identifiers
ICAO KJVL, FAA JVL
Location
Janesville, Wisconsin (Rock County). 3 NM SW of the city center
Elevation
807.8 ft MSL
Position
42.6203° N, 89.0416° W
Control tower
Yes (ATCT)
Sectional chart
Chicago
Magnetic variation
2° W (2005)
Fuel
100LL, Jet A
Ownership
Publicly owned, open to the public
Attendance
Daily 0700-1530

3 runways

Runways

RunwayLength × widthSurfaceEdge lights
04/226,701 × 150 ftAsphalt, fair conditionHigh intensity
14/327,302 × 150 ftConcrete, fair conditionHigh intensity
18/365,004 × 75 ftAsphalt, fair conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
04Left traffic4-light PAPI, leftILSNone listed6,701 ft
22Left traffic4-light PAPI, leftNone listedNone listed6,701 ft
14Left traffic4-light PAPI, leftNone listedNone listed7,302 ft
32Left traffic4-box VASI, leftILS/DMENone listed7,302 ft
18Left trafficNone listedNone listedNone listed5,004 ft
36Left trafficNone listedNone listedNone listed5,004 ft

VHF

Frequencies

ATIS
128.25
"Janesville". Hours 0600-2100
CTAF
118.8
UNICOM
122.95
Tower
118.8
"Janesville". Hours 0600-2100
Ground
121.65
"Janesville". Hours 0600-2100
Clearance delivery
121.65
"Janesville". Hours 0600-2100
Clearance delivery
121.65
"Janesville". Sector WHEN TWR CLSD
Approach / departure
121.0
"Rockford"

Weather station

AWOS-3 JVL
No frequency listed

Before you go

Brief KJVL in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Southern Wisconsin Rgnl, in the app on iPhone and iPad.

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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.