Sylvania, Georgia · field elev 190 ft
Density Altitude at Plantation Airpark (KJYL)
Plantation Airpark sits at 190 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,311 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 | 46.7 | −568 ft | 57.6 | 161 ft |
| February | 50.3 | −325 ft | 62.1 | 456 ft |
| March | 56.5 | 88 ft | 68.5 | 870 ft |
| April | 63.6 | 554 ft | 76.4 | 1,374 ft |
| May | 71.6 | 1,069 ft | 83.6 | 1,824 ft |
| June | 78.3 | 1,493 ft | 88.6 | 2,133 ft |
| July | 81.3 | 1,681 ft | 91.5 | 2,311 ft |
| August | 80.5 | 1,631 ft | 90.3 | 2,237 ft |
| September | 75.0 | 1,285 ft | 85.2 | 1,924 ft |
| October | 65.3 | 664 ft | 76.7 | 1,393 ft |
| November | 55.1 | −5 ft | 67.6 | 813 ft |
| December | 49.0 | −413 ft | 60.0 | 318 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 KJYL
DENSITY ALTITUDE
Field elevation 190 ft — the air behaves like 2,341 ft.
- PRESSURE ALT
- 191 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
- KTBR — Statesboro-Bulloch County
Statesboro · elev 187 ft
- 2J5 — Millen
Millen · elev 240 ft
- KMHP — John Edwin Jones Sr Field/Metter Municipal
Metter · elev 197 ft
- KCWV — Claxton-Evans County
Claxton · elev 112 ft
- KBXG — Burke County
Waynesboro · elev 309 ft
- KSAV — Savannah/Hilton Head International
Savannah · elev 50 ft
- KSBO — East Georgia Regional
Swainsboro · elev 327 ft
- 2J3 — Louisville Municipal
Louisville · elev 328 ft
Frequently asked questions
How high does density altitude get at KJYL in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Plantation Airpark reaches roughly 2,311 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 KJYL on an average day?
It swings with the seasons: from roughly −568 ft at the coldest month's average temperature to about 1,681 ft at the warmest month's — all from a constant field elevation of 190 ft. The month-by-month table above carries the full year.
What is the field elevation of Plantation Airpark?
190 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KJYL (ICAO) / JYL (FAA), in Sylvania, Georgia.