AirportLookupSim Database

Reference only — not for real-world navigation.

KCMH

John Glenn Columbus International Airport · Columbus

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

815 ft / 248 m

Transition Altitude

18,000 ft

Primary Channel

TWR 132.70 MHz (TWR)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

10R/28L · 10,125 ft · AsphaltLIGHTED 10L/28R · 8,000 ft · AsphaltLIGHTED

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Welcome to the technical flight briefing for John Glenn Columbus International Airport (KCMH), located in Columbus, 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 815 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.

Airport Details

Full geographical and organizational metadata.

Full Name

John Glenn Columbus International Airport

ICAO / IATA

KCMH / CMH

Municipality

Columbus

Country

US — United States

Region

US-OH — Ohio

GPS Coordinates

📍 39.998001, -82.891899 🗺️

Transition Altitude

18,000 ft

Elevation

815 ft

Official Website

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 10R / 28L

ILS EQUIPPEDLIGHTED

Runway Length: 10,125 ft / 3,086 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 94.2° / 274.2°

RWY 10R (94.2°)

111.75 MHz

IDENT: AQI | CRS: 101°

RWY 28L (274.2°)

111.75 MHz

IDENT: CMH | CRS: 281°

Runway 10L / 28R

ILS EQUIPPEDLIGHTED

Runway Length: 8,000 ft / 2,438 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 94.2° / 274.2°

RWY 10L (94.2°)

109.10 MHz

IDENT: CBP | CRS: 101°

RWY 28R (274.2°)

109.10 MHz

IDENT: ONB | CRS: 281°

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

BU · NDB (Boutn)230 kHz

39.819302, -83.204903 · 900 ft

HEH · NDB (Newark)524 kHz

40.025902, -82.463501 · 875 ft

DLZ · NDB (Delaware)215 kHz

40.277000, -83.103302 · 940 ft

DD · NDB (Cobbs)253 kHz

39.742901, -83.020203 · 0 ft

OS · NDB (Fuler)515 kHz

40.073700, -83.198097 · 940 ft

DKG · NDB (Don Scott)348 kHz

40.080399, -83.078796 · 0 ft

LC · NDB (Pickl)376 kHz

39.881100, -82.836098 · 0 ft

LCK · TACAN (Rickenbacker)134,200 kHz

39.808201, -82.928802 · 732 ft

APE · VORTAC (Appleton)116,700 kHz

40.151100, -82.588303 · 1,350 ft

CM · NDB (Sumie)391 kHz

39.986198, -82.754501 · 0 ft

Communication Frequencies

Air traffic control and advisory channels.

A/D COLUMBUS APP/DEP

33.82 MHz

A/D COLUMBUS APP/DEP

118.20 MHz

ATIS ATIS

124.60 MHz

CLD CLNC DEL

126.30 MHz

GND GND

121.90 MHz

RDO DAYTON RDO

122.20 MHz

TWR TWR

132.70 MHz

UNIC UNICOM

122.95 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

The Ohio State University Airport - Don Scott Field

Rickenbacker International Airport

Springfield-Beckley Municipal Airport

Zanesville Municipal Airport

Mansfield Lahm Regional Airport

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026