Plymouth, North Carolina · field elev 18 ft
Density Altitude at Donald'S Air Park Inc (7NC)
Donald'S Air Park Inc sits at 18 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 1,967 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 | 43.8 | −979 ft | 53.9 | −297 ft |
| February | 46.3 | −809 ft | 57.4 | −65 ft |
| March | 52.5 | −391 ft | 64.2 | 381 ft |
| April | 61.6 | 211 ft | 73.8 | 998 ft |
| May | 69.1 | 698 ft | 80.2 | 1,402 ft |
| June | 76.5 | 1,169 ft | 86.5 | 1,794 ft |
| July | 79.8 | 1,377 ft | 89.3 | 1,967 ft |
| August | 78.3 | 1,283 ft | 87.6 | 1,862 ft |
| September | 73.3 | 966 ft | 82.7 | 1,558 ft |
| October | 63.5 | 335 ft | 74.5 | 1,043 ft |
| November | 53.3 | −337 ft | 64.3 | 387 ft |
| December | 46.7 | −782 ft | 56.7 | −111 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 7NC
DENSITY ALTITUDE
Field elevation 18 ft — the air behaves like 1,948 ft.
- PRESSURE ALT
- 19 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 North Carolina fields
- KPMZ — Plymouth Municipal
Plymouth · elev 36 ft
- KEDE — Northeastern Regional
Edenton · elev 19 ft
- KOCW — Washington-Warren
Washington · elev 38 ft
- KMCZ — Martin County
Williamston · elev 75 ft
- KPGV — Pitt-Greenville
Greenville · elev 26 ft
- 7W6 — Hyde County
Engelhard · elev 7 ft
- 05N — South Oaks Aerodrome
Winterville · elev 50 ft
- KECG — Elizabeth City Cg Air Station/Regional
Elizabeth City · elev 11 ft
Frequently asked questions
How high does density altitude get at 7NC in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Donald'S Air Park Inc reaches roughly 1,967 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 7NC on an average day?
It swings with the seasons: from roughly −979 ft at the coldest month's average temperature to about 1,377 ft at the warmest month's — all from a constant field elevation of 18 ft. The month-by-month table above carries the full year.
What is the field elevation of Donald'S Air Park Inc?
18 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7NC (FAA), in Plymouth, North Carolina.