Atlanta, Georgia · field elev 841 ft
Density Altitude at Fulton County Exec/Charlie Brown Field (KFTY)
Fulton County Exec/Charlie Brown Field sits at 841 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 3,011 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 43.6 | 30 ft | 53.7 | 707 ft |
| February | 47.5 | 294 ft | 58.4 | 1,017 ft |
| March | 54.4 | 754 ft | 65.8 | 1,497 ft |
| April | 61.7 | 1,232 ft | 73.9 | 2,013 ft |
| May | 69.8 | 1,753 ft | 81.2 | 2,470 ft |
| June | 76.9 | 2,202 ft | 87.1 | 2,834 ft |
| July | 80.1 | 2,402 ft | 90.0 | 3,011 ft |
| August | 79.3 | 2,352 ft | 89.1 | 2,957 ft |
| September | 73.5 | 1,988 ft | 83.9 | 2,638 ft |
| October | 62.9 | 1,310 ft | 74.5 | 2,051 ft |
| November | 52.3 | 615 ft | 64.0 | 1,381 ft |
| December | 46.0 | 193 ft | 55.9 | 853 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KFTY
DENSITY ALTITUDE
Field elevation 841 ft — the air behaves like 3,011 ft.
- PRESSURE ALT
- 842 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Georgia fields
- KATL — Hartsfield/Jackson Atlanta International
Atlanta · elev 1,026 ft
- KPDK — Dekalb-Peachtree
Atlanta · elev 998 ft
- KRYY — Cobb County International/Mccollum Field
Atlanta · elev 1,040 ft
- KPUJ — Paulding Northwest Atlanta
Atlanta · elev 1,289 ft
- KHMP — Atlanta Speedway
Atlanta · elev 882 ft
- KFFC — Atlanta Regional Falcon Field
Atlanta · elev 808 ft
- KVPC — Cartersville
Cartersville · elev 759 ft
- KLZU — Gwinnett County/Briscoe Field
Lawrenceville · elev 1,062 ft
Frequently asked questions
How high does density altitude get at KFTY in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Fulton County Exec/Charlie Brown Field reaches roughly 3,011 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KFTY on an average day?
It swings with the seasons: from roughly 30 ft at the coldest month's average temperature to about 2,402 ft at the warmest month's — all from a constant field elevation of 841 ft. The month-by-month table above carries the full year.
What is the field elevation of Fulton County Exec/Charlie Brown Field?
841 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KFTY (ICAO) / FTY (FAA), in Atlanta, Georgia.