Southern Wisconsin Regional Airport
Daylight today(Sep 4, 2026, local time)
About 13h 2m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Southern Wisconsin Regional Airport
Southern Wisconsin Regional Airport is a public airport located southwest of Janesville and north of Beloit in Rock County, Wisconsin, United States. Formerly known as Rock County Airport, it is owned and operated by the Rock County government. The airport has no scheduled commercial passenger service.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KJVLNOTAMs
KJVLReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (3)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 14 / 32 | 7,302 ft / 2,226 m | 150 ft | Con | Lighted | Open |
| 04 / 22 | 6,701 ft / 2,042 m | 150 ft | Asp | Lighted | Open |
| 18 / 36 | 5,004 ft / 1,525 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (8)
| Type | Description | Frequency |
|---|---|---|
| A/D | ROCKFORD APP/DEP | 121.000 MHz |
| ATIS | ATIS | 128.250 MHz |
| CLD | CLNC DEL | 121.650 MHz |
| CTAF | CTAF | 118.800 MHz |
| GND | JANESVILLE GND | 121.650 MHz |
| RDO | GREEN BAY RDO | 114.300 MHz |
| TWR | JANESVILLE TWR | 118.800 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
From the airport’s official website — details may change, so confirm with the airport. Official site
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Takeoff & alternate minimums (2)
Runway hot spots (1)
Showing 8 of 10 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| JANESVILLE CLASS D | Class D | Controlled | GND | 3300 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Southern Wisconsin Regional Airport.
Frequently asked questions
What is the ICAO code for Southern Wisconsin Regional Airport?
The ICAO code for Southern Wisconsin Regional Airport is KJVL, and its IATA code is JVL.
Where is Southern Wisconsin Regional Airport located?
Southern Wisconsin Regional Airport is small airport located in Janesville, United States, at an elevation of 808 ft (246 m).
How many runways does Southern Wisconsin Regional Airport have?
Southern Wisconsin Regional Airport has 3 runways, the longest being 7,302 ft / 2,226 m.
What time zone is Southern Wisconsin Regional Airport in?
Southern Wisconsin Regional Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Southern Wisconsin Regional Airport?
The magnetic variation (declination) at Southern Wisconsin Regional Airport is approximately 3.2° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Southern Wisconsin Regional Airport?
The nearest airport to Southern Wisconsin Regional Airport is Melin Farms Airport (3WI6), about 7.6 nm to the ese, followed by Beloit Airport and Miller Airport.
Is the information on this page suitable for flight planning?
No. Southern Wisconsin Regional Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.