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KRYY

Cobb County International Airport-McCollum Field · Atlanta

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
1,040 ft / 317 m
Transition Altitude
18,000 ft
Primary Channel
TWR 125.90 MHz (MC COLLUM TWR)
Runway Summary
09/276,305 ftAsphaltLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

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Briefing for Cobb County International Airport-McCollum Field (KRYY), United States. This facility features 1 active runways with an elevation of 1,040 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Cobb County International Airport-McCollum Field
ICAO / IATA
KRYY / —
Municipality
Atlanta
Country
Region
US-GA
GPS Coordinates
Transition Altitude
18,000 ft
Official Website
—
Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 09 / 27
ILSLIGHTED
Length: 6,305 ft / 1,922 m
Surface: Asphalt
Heading: 88.8° / 268.8°
RWY 09
No ILS
RWY 27
111.90 MHz
ID: RYY | CRS: 273°

Communication Frequencies

ATC and advisory channels.

A/D ATLANTA APP/DEP
121.00 MHz
AWOS AWOS 3
128.13 MHz
CTAF CTAF
125.90 MHz
GND GND
119.00 MHz
TWR MC COLLUM TWR
125.90 MHz
UNIC UNICOM
122.70 MHz

Nearby Airports

Alternatives in the vicinity.

KMGE ILS
Dobbins Air Reserve Base
13 km
KFTY ILS
Fulton County Airport Brown Field
27 km
KPDK ILS
DeKalb Peachtree Airport
31 km
KATL ILS
Hartsfield Jackson Atlanta International Airport
45 km
KRMG ILS
Richard B Russell Airport
64 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified