Reference only — not for real-world navigation.
KGUS
Grissom Air Reserve Base · Peru
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
812 ft / 247 m
Transition Altitude
18,000 ft
Primary Channel
TWR 133.70 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
05/23 · 12,501 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Grissom Air Reserve Base (KGUS), 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 812 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Grissom Air Reserve Base
ICAO / IATA
KGUS / GUS
Municipality
Peru
Country
Region
US-IN — Indiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
812 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 05 / 23
ILS EQUIPPEDLIGHTED
Runway Length: 12,501 ft / 3,810 m
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 44.4° / 224.4°
Runway Width: 200 ft / 61 m
Surface Type: Asphalt
Heading: 44.4° / 224.4°
RWY 05 (44.4°)
109.50 MHz
IDENT: GUS | CRS: 46°
RWY 23 (224.4°)
109.50 MHz
IDENT: RSM | CRS: 226°
A/D A/D INITIAL CONTACT
121.05 MHz
A/D GRISSOM A/D WEST
123.85 MHz
A/D GRISSOM A/D SECONDARY
135.35 MHz
ATIS ATIS
108.45 MHz
CLD CLNC DEL
128.43 MHz
CTR CHICAGO CTR
121.05 MHz
GND GND
128.43 MHz
PMSV PMSV METRO
34.46 MHz
PTD PTD
372.20 MHz
TWR TWR
133.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026