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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
| 09/27 | 6,305 ft | 75 ft | ASP | 88° |
↑ 0.0 kt
•
↔ 0.0 kt
88° angle
|
Weather Statistics - KRYY
4,581 observations | Sep 2025 - Mar 2026Flight Rules Distribution
Cobb County International Airport-McCollum Field typically experiences VFR conditions 69.9% of the time, though instrument-rated pilots will find IFR weather present approximately 15.3% of observations. Prevailing winds are from the W averaging 6.8 knots. Calm conditions occur 34% of the time. Temperature extremes range from -12°C to 32°C, reflecting significant seasonal variation. The best months for VFR flying are October, September, November.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 4,581 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.
Cobb County International Airport-McCollum Field - Airport Information
Airport Details
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Runway Information
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About Cobb County International Airport-McCollum Field
Overview
Cobb County International Airport-McCollum Field serves the metropolitan Atlanta area as a medium-sized airport located at 1040 feet mean sea level. Situated at coordinates 34.013160, -84.597210, the airport provides critical general aviation infrastructure for the northwestern suburban region of Atlanta.
Flying Conditions
Weather conditions at McCollum Field predominantly support visual flight rules (VFR), with 70.7% of observations indicating clear conditions. Pilots can expect significant seasonal variability, with temperatures ranging from -8°C to 32°C and average temperatures around 13.1°C. October, September, and November consistently offer the most favorable flying conditions.
Notable Features
The airport features a single runway (09/27) extending 6,305 feet with an asphalt surface. Wind patterns are predominantly western, averaging 6.6 knots with calm conditions occurring 35.7% of the time. The runway alignment demonstrates excellent wind compatibility, with 100% favorable wind coverage and an average crosswind component of just 2.9 knots.
Approach Considerations
Visibility at McCollum Field averages 9.3 statute miles, with only 2.4% of observations reporting visibility below 3 miles. Pilots should anticipate potential reduced visibility during 1% of observations with fog present. The consistent western winds and long runway provide reliable approach and departure conditions for most aircraft operations.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
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Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.