Franklinton, Louisiana · field elev 175 ft
Density Altitude at Franklinton (2R7)
Franklinton sits at 175 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,347 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 | 50.0 | −364 ft | 61.3 | 385 ft |
| February | 54.1 | −90 ft | 65.8 | 678 ft |
| March | 60.2 | 313 ft | 72.1 | 1,083 ft |
| April | 66.9 | 749 ft | 78.9 | 1,513 ft |
| May | 74.3 | 1,222 ft | 85.4 | 1,918 ft |
| June | 80.3 | 1,600 ft | 90.5 | 2,231 ft |
| July | 82.3 | 1,725 ft | 92.4 | 2,347 ft |
| August | 82.0 | 1,707 ft | 92.0 | 2,323 ft |
| September | 78.2 | 1,469 ft | 88.8 | 2,127 ft |
| October | 68.8 | 871 ft | 81.0 | 1,644 ft |
| November | 58.4 | 195 ft | 70.8 | 999 ft |
| December | 52.4 | −203 ft | 63.9 | 555 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 2R7
DENSITY ALTITUDE
Field elevation 175 ft — the air behaves like 2,323 ft.
- PRESSURE ALT
- 176 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 Louisiana fields
- KBXA — George R Carr Meml Air Field
Bogalusa · elev 119 ft
- L31 — St Tammany Regional
Covington · elev 38 ft
- KHDC — Hammond Northshore Regional
Hammond · elev 46 ft
- KASD — Slidell
Slidell · elev 28 ft
- KNEW — Lakefront
New Orleans · elev 7 ft
- KMSY — Louis Armstrong New Orleans International
New Orleans · elev 3 ft
- KAPS — Port Of South Louisiana Exec Regional
Reserve · elev 7 ft
- KBTR — Baton Rouge Metro, Ryan Field
Baton Rouge · elev 70 ft
Frequently asked questions
How high does density altitude get at 2R7 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Franklinton reaches roughly 2,347 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 2R7 on an average day?
It swings with the seasons: from roughly −364 ft at the coldest month's average temperature to about 1,725 ft at the warmest month's — all from a constant field elevation of 175 ft. The month-by-month table above carries the full year.
What is the field elevation of Franklinton?
175 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2R7 (FAA), in Franklinton, Louisiana.