KRYY Cobb County International Airport-McCollum Field
Cobb County International Airport-McCollum Field is a towered general-aviation airport in Atlanta, Georgia, at 1,040 ft elevation, with one runway, 09/27 (6,295 ft). Below: the current METAR and TAF decoded in plain English, runway wind components, frequencies, and the FAA terminal procedures for d-TPP 2611 (Oct 29, 2026 – Nov 26, 2026).
| Identifiers | ICAO KRYY · FAA RYY |
|---|---|
| Location | Atlanta, GA · 34.0132, -84.5972 |
| Elevation | 1,040 ft MSL (317 m) |
| Tower | 125.9 MHz (MC COLLUM TWR) |
| AWOS | 128.125 MHz |
| FAA charts | 13 in d-TPP 2611 (Oct 29, 2026 – Nov 26, 2026) |
KRYY METAR and TAF
METAR KRYY 010450Z AUTO 10008G17KT 060V130 10SM -RA SCT033 OVC110 16/05 A3039 RMK AO2 RAB37 SLP286 P0000 T01560050 402110133 $| Wind | From 100° at 8 kt, gusting 17 kt (varying 060°–130°) |
|---|---|
| Visibility | 10 statute miles or more |
| Weather | light rain |
| Clouds | Scattered 3,300 ft, Overcast 11,000 ft · ceiling 11,000 ft |
| Temperature / dew point | 16°C (61°F) / 5°C (41°F) · spread 11°C |
| Altimeter | 30.39 inHg (1029 hPa) |
| Flight category | VFR — ceiling above 3,000 ft and visibility above 5 SM |
Remarks: AO2: automated station with a precipitation sensor · SLP286: sea-level pressure 1028.6 hPa · T01560050: temperature 15.6°C, dew point 5.0°C · $: the station needs maintenance
Wind components by runway
From the METAR wind (100° true at 8 kt) and the runway true headings. Tower and ATIS winds are magnetic — use those for the actual runway choice.
- RWY 09: headwind 8 kt, crosswind 2 kt from the right
- RWY 27: tailwind 8 kt, crosswind 2 kt from the left
TAF (terminal forecast)
Issued 1st at 01:34Z · valid 1st 02Z – 1st 24Z
TAF KRYY 010134Z 0102/0124 10013G20KT P6SM BKN120 OVC200 FM010400 09010KT P6SM SCT070 OVC180 PROB30 0106/0110 6SM -SHRA BR SCT012 BKN030 FM011200 08011G18KT P6SM VCSH BKN020 FM012300 08011G20KT P6SM BKN050- Initially · 1st 02Z – 1st 24Z: wind 100° at 13 kt, gusting 20 kt · visibility more than 6 statute miles · broken 12,000 ft, overcast 20,000 ft
- From · 1st 04:00Z: wind 090° at 10 kt · visibility more than 6 statute miles · scattered 7,000 ft, overcast 18,000 ft
- 30% chance · 1st 06Z – 1st 10Z: visibility 6 statute miles · light rain showers, mist · scattered 1,200 ft, broken 3,000 ft
- From · 1st 12:00Z: wind 080° at 11 kt, gusting 18 kt · visibility more than 6 statute miles · broken 2,000 ft
- From · 1st 23:00Z: wind 080° at 11 kt, gusting 20 kt · visibility more than 6 statute miles · broken 5,000 ft
Source: NOAA Aviation Weather Center (aviationweather.gov). Times are UTC (Z). Decoded for learning — get an official weather briefing before flight.
Runways
| Runway | Length × width | Surface | Lighted |
|---|---|---|---|
| 09 / 27 | 6,295 × 100 ft | asphalt | Yes |
Frequencies
| Service | Name | MHz |
|---|---|---|
| Approach / departure | ATLANTA APP/DEP | 121.0 |
| AWOS | AWOS 3 | 128.125 |
| CTAF | 125.9 | |
| Ground | 119.0 | |
| Tower | MC COLLUM TWR | 125.9 |
| UNICOM | 122.7 |
Runways and frequencies: OurAirports (public domain) — they can change. Check the FAA Chart Supplement for KRYY before you fly.
FAA charts for KRYY — d-TPP 2611
13 charts effective Oct 29, 2026 09:01Z until Nov 26, 2026 09:01Z. Each link opens the original FAA PDF (aeronav.faa.gov).
Airport diagram 1
Instrument approach procedures 4
Arrivals (STAR) 6
Minimums, hot spots and notices 2
KRYY on the FAA d-TPP search · Chart Supplement
KRYY charts and weather, offline in the cockpit
TOGA EFB opens the KRYY airport diagram and approach plates straight from the FAA, saves them for offline use, and decodes the METAR and TAF for you.
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All 274 US airports · E6B flight computer · Weight & balance
Charts: FAA digital Terminal Procedures Publication (d-TPP), public domain — linked unmodified, not hosted here. Airport data: OurAirports (public domain). Weather: NOAA Aviation Weather Center.
For practice and reference only — not for navigation or flight planning. Always check current official sources (FAA charts, Chart Supplement, NOTAMs, an official weather briefing). The pilot in command is responsible for the flight.