Reference only — not for real-world navigation.
KOLZ
Oelwein Municipal Airport · Oelwein
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,076 ft / 328 m
Transition Altitude
18,000 ft
Primary Channel
A/D 118.90 MHz (WATERLOO APP/DEP)
Live Conversion
inHg
hPa
Flight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Oelwein Municipal Airport (KOLZ), located in Oelwein, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 1,076 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
Oelwein Municipal Airport
ICAO / IATA
KOLZ / —
Municipality
Oelwein
Country
Region
US-IA — Iowa
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,076 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
LIGHTED
Runway Length: 4,001 ft / 1,220 m
Runway Width: 75 ft / 23 m
Surface Type: Concrete
Heading: 135° / 315°
Runway Width: 75 ft / 23 m
Surface Type: Concrete
Heading: 135° / 315°
RWY 13 (135°)
No ILS / Visual Only
RWY 31 (315°)
No ILS / Visual Only
Runway 18 / 36
UNLIT
Runway Length: 1,800 ft / 549 m
Runway Width: 85 ft / 26 m
Surface Type: Grass
Heading: 182.5° / 2.5°
Runway Width: 85 ft / 26 m
Surface Type: Grass
Heading: 182.5° / 2.5°
RWY 18 (182.5°)
No ILS / Visual Only
RWY 36 (2.5°)
No ILS / Visual Only
A/D WATERLOO APP/DEP
118.90 MHz
AWOS AWOS 3
119.67 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026