Reference only — not for real-world navigation.
KISW
Alexander Field South Wood County Airport · Wisconsin Rapids
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,021 ft / 311 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.45 MHz (GREEN BAY RDO)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
02/20 · 5,500 ft · AsphaltLIGHTED11/29 · 3,640 ft · AsphaltLIGHTED18/36 · 2,100 ft · GrassUNLITFlight Planning
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Welcome to the technical flight briefing for Alexander Field South Wood County Airport (KISW), located in Wisconsin Rapids, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 1,021 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Alexander Field South Wood County Airport
ICAO / IATA
KISW / ISW
Municipality
Wisconsin Rapids
Country
Region
US-WI — Wisconsin
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,021 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 02 / 20
LIGHTED
Runway Length: 5,500 ft / 1,676 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 20° / 200°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 20° / 200°
RWY 02 (20°)
No ILS / Visual Only
RWY 20 (200°)
No ILS / Visual Only
Runway 11 / 29
LIGHTED
Runway Length: 3,640 ft / 1,109 m
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 116° / 296°
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 116° / 296°
RWY 11 (116°)
No ILS / Visual Only
RWY 29 (296°)
No ILS / Visual Only
Runway 18 / 36
UNLIT
Runway Length: 2,100 ft / 640 m
Runway Width: 50 ft / 15 m
Surface Type: Grass
Heading: 176° / 356°
Runway Width: 50 ft / 15 m
Surface Type: Grass
Heading: 176° / 356°
RWY 18 (176°)
No ILS / Visual Only
RWY 36 (356°)
No ILS / Visual Only
ASOS ASOS
126.58 MHz
CNTR MINNEAPOLIS CNTR
124.40 MHz
RDO GREEN BAY RDO
122.45 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026