Cobb County International Airport-McCollum Field
Daylight today(Sep 2, 2026, local time)
About 12h 51m 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 Cobb County International Airport-McCollum Field
Cobb County International Airport - McCollum Field is a public airport located 21 miles (34 km) northwest of the central business district of Atlanta, immediately south of the city of Kennesaw in Cobb County, Georgia, United States. It operates 24 hours per day, although it is not controlled between the hours of midnight and 6:00 a.m. (EST/EDT). It is also designated as a weather station.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KRYYNOTAMs
KRYYReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 09 / 27▸ displaced | 6,295 ft / 1,919 m | 100 ft | Asp | Lighted | Open |
Radio frequencies (6)
| Type | Description | Frequency |
|---|---|---|
| A/D | ATLANTA APP/DEP | 121.000 MHz |
| AWOS | AWOS 3 | 128.125 MHz |
| CTAF | CTAF | 125.900 MHz |
| GND | GND | 119.000 MHz |
| TWR | MC COLLUM TWR | 125.900 MHz |
| UNIC | UNICOM | 122.700 MHz |
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Showing 11 of 13 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(3)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| ATLANTA CLASS B AREA I | Class B | Controlled | 7000 ft MSL | 12500 ft MSL |
| ATLANTA CLASS B AREA J | Class B | Controlled | 6000 ft MSL | 12500 ft MSL |
| MARIETTA CLASS D | Class D | Controlled | GND | 3500 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
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 420 ft | 1,027 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Cobb County International Airport-McCollum Field.
Frequently asked questions
What is the ICAO code for Cobb County International Airport-McCollum Field?
The ICAO code for Cobb County International Airport-McCollum Field is KRYY.
Where is Cobb County International Airport-McCollum Field located?
Cobb County International Airport-McCollum Field is medium airport located in Atlanta, United States, at an elevation of 1,040 ft (317 m).
How many runways does Cobb County International Airport-McCollum Field have?
Cobb County International Airport-McCollum Field has 1 runway, the longest being 6,295 ft / 1,919 m.
What time zone is Cobb County International Airport-McCollum Field in?
Cobb County International Airport-McCollum Field is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Cobb County International Airport-McCollum Field?
The magnetic variation (declination) at Cobb County International Airport-McCollum Field is approximately 5.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Cobb County International Airport-McCollum Field?
The nearest airport to Cobb County International Airport-McCollum Field is Dobbins Air Reserve Base (MGE), about 7.1 nm to the se, followed by Air Acres Airport and Cartersville Airport.
Is the information on this page suitable for flight planning?
No. Cobb County International Airport-McCollum Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.