Reference only — not for real-world navigation.
KVYS
Illinois Valley Regional Airport Walter A Duncan Field · Peru
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
654 ft / 199 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 120.03 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 6,000 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Illinois Valley Regional Airport Walter A Duncan Field (KVYS), located in Peru, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 654 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
Illinois Valley Regional Airport Walter A Duncan Field
ICAO / IATA
KVYS / VYS
Municipality
Peru
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
654 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
LIGHTED
Runway Length: 6,000 ft / 1,829 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 179.6° / 359.6°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 179.6° / 359.6°
RWY 18 (179.6°)
No ILS / Visual Only
RWY 36 (359.6°)
No ILS / Visual Only
AWOS AWOS 3
120.03 MHz
CNTR CHICAGO CNTR
123.75 MHz
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026