Sherrill, Arkansas · field elev 218 ft
Density Altitude at Smith'S International (99A)
Smith'S International sits at 218 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,363 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 | 42.5 | −819 ft | 51.7 | −197 ft |
| February | 46.1 | −574 ft | 56.1 | 96 ft |
| March | 54.1 | −37 ft | 64.5 | 647 ft |
| April | 63.0 | 549 ft | 73.8 | 1,243 ft |
| May | 71.5 | 1,097 ft | 81.5 | 1,728 ft |
| June | 79.0 | 1,572 ft | 88.5 | 2,161 ft |
| July | 82.4 | 1,784 ft | 91.8 | 2,363 ft |
| August | 81.7 | 1,740 ft | 91.4 | 2,339 ft |
| September | 75.5 | 1,351 ft | 85.9 | 2,001 ft |
| October | 64.1 | 621 ft | 75.5 | 1,351 ft |
| November | 52.9 | −117 ft | 63.4 | 575 ft |
| December | 45.0 | −649 ft | 54.5 | −10 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 99A
DENSITY ALTITUDE
Field elevation 218 ft — the air behaves like 2,375 ft.
- PRESSURE ALT
- 219 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 Arkansas fields
- KPBF — Pinebluff Regional/Grider Field
Pine Bluff · elev 206 ft
- 9M8 — Sheridan-Grant County Regional
Sheridan · elev 236 ft
- KSGT — Stuttgart Municipal Carl Humphrey Field
Stuttgart · elev 224 ft
- KLIT — Bill And Hillary Clinton Ntl/Adams Field
Little Rock · elev 266 ft
- M73 — Almyra Municipal
Almyra · elev 210 ft
- 6M0 — Hazen Municipal David Duch Field
Hazen · elev 230 ft
- 4M3 — Carlisle Municipal
Carlisle · elev 241 ft
- KSUZ — Saline County Regional
Benton · elev 389 ft
Frequently asked questions
How high does density altitude get at 99A in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Smith'S International reaches roughly 2,363 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 99A on an average day?
It swings with the seasons: from roughly −819 ft at the coldest month's average temperature to about 1,784 ft at the warmest month's — all from a constant field elevation of 218 ft. The month-by-month table above carries the full year.
What is the field elevation of Smith'S International?
218 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 99A (FAA), in Sherrill, Arkansas.