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The Pilots Desk
Medium airport

Grissom Air Reserve Base

IATA GUSICAO KGUSLocal GUS🇺🇸 Peru
Coordinates
40.6481°N, 86.1521°W
Elevation
812 ft (247 m)
Type
Medium airport
Region
US-IN
Time zone
Indianapolis(UTC-04:00)
Magnetic variation
5.1° W

Daylight today(Jul 18, 2026, local time)

Civil dawn
05:57
Sunrise
06:29
Sunset
21:13
Civil dusk
21:45

About 14h 44m 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 Grissom Air Reserve Base

Grissom Air Reserve Base

Grissom Air Reserve Base is an active United States Air Force base, located about 12 miles (19 km) north of Kokomo in Cass and Miami counties in Indiana. The facility was established as a U.S. Navy installation, Naval Air Station Bunker Hill, in 1942 and was an active Air Force installation, Bunker Hill Air Force Base from 1954 to 1968, and Grissom Air Force Base from 1968 to 1994. Pursuant to a BRAC 1991 decision, the installation was downsized to an Air Force Reserve installation and renamed Grissom Air Reserve Base.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.

Live weather

KGUS

Live departures & arrivals

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Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

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Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
05 / 2312,501 ft / 3,810 m200 ftAspLightedOpen

Radio frequencies (10)

TypeDescriptionFrequency
A/DGRISSOM A/D WEST123.850 MHz
A/DA/D INITIAL CONTACT121.050 MHz
A/DGRISSOM A/D SECONDARY135.350 MHz
ATISATIS108.450 MHz
CLDCLNC DEL128.425 MHz
CTRCHICAGO CTR121.050 MHz
GNDGND128.425 MHz
PMSVPMSV METRO34.460 MHz
PTDPTD372.200 MHz
TWRTWR133.700 MHz

Navaids(1)

Instrument procedures & charts

Cycle 2606 · effective Jun 11, 2026 – Jul 9, 2026 Not for navigation — confirm currency on the official FAA source.

Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.

Airspace in this area(2)

NameClassTypeFloorCeiling
GRISSOM ARB CLASS DClass DControlledGND3300 ft MSL
HILL TOP 0800-1900 TUE-SAT & BY NOTAMSpecial useDanger10000 ft MSL17999 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
PowerWind 56794 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Grissom Air Reserve Base.

Official site Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Grissom Air Reserve Base?

The ICAO code for Grissom Air Reserve Base is KGUS, and its IATA code is GUS.

Where is Grissom Air Reserve Base located?

Grissom Air Reserve Base is medium airport located in Peru, United States, at an elevation of 812 ft (247 m).

How many runways does Grissom Air Reserve Base have?

Grissom Air Reserve Base has 1 runway, the longest being 12,501 ft / 3,810 m.

What time zone is Grissom Air Reserve Base in?

Grissom Air Reserve Base is in the America/Indiana/Indianapolis time zone (UTC-04:00).

What is the magnetic variation at Grissom Air Reserve Base?

The magnetic variation (declination) at Grissom Air Reserve Base is approximately 5.1° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Grissom Air Reserve Base?

The nearest airport to Grissom Air Reserve Base is Caldwell Field (54II), about 1.4 nm to the s, followed by Robison Airport and Shinn Bone Lane Airport.

Is the information on this page suitable for flight planning?

No. Grissom Air Reserve Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.