Fairfield, Pennsylvania · field elev 573 ft
Density Altitude at Mid Atlantic Soaring Center (W73)
Mid Atlantic Soaring Center sits at 573 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,452 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 | 30.2 | −1,229 ft | 39.6 | −576 ft |
| February | 32.7 | −1,054 ft | 43.2 | −330 ft |
| March | 41.2 | −466 ft | 52.2 | 276 ft |
| April | 52.0 | 263 ft | 64.3 | 1,071 ft |
| May | 61.2 | 869 ft | 73.3 | 1,647 ft |
| June | 69.6 | 1,412 ft | 81.8 | 2,180 ft |
| July | 74.5 | 1,723 ft | 86.2 | 2,452 ft |
| August | 72.7 | 1,609 ft | 84.7 | 2,360 ft |
| September | 65.9 | 1,174 ft | 77.8 | 1,931 ft |
| October | 54.5 | 429 ft | 66.4 | 1,206 ft |
| November | 43.9 | −282 ft | 55.5 | 495 ft |
| December | 35.3 | −873 ft | 44.7 | −228 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 W73
DENSITY ALTITUDE
Field elevation 573 ft — the air behaves like 2,440 ft.
- PRESSURE ALT
- 574 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 Pennsylvania fields
- W05 — Gettysburg Regional
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- N68 — Franklin County Regional
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- 07N — Bermudian Valley Airpark
Kralltown · elev 470 ft
- KTHV — York
York · elev 495 ft
- 2N5 — Kampel
Wellsville · elev 611 ft
- N94 — Carlisle
Carlisle · elev 510 ft
- 0P8 — Lazy B Ranch
Dover · elev 476 ft
- 0P2 — Shoestring Aviation Airfield
Stewartstown · elev 1,000 ft
Frequently asked questions
How high does density altitude get at W73 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Mid Atlantic Soaring Center reaches roughly 2,452 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 W73 on an average day?
It swings with the seasons: from roughly −1,229 ft at the coldest month's average temperature to about 1,723 ft at the warmest month's — all from a constant field elevation of 573 ft. The month-by-month table above carries the full year.
What is the field elevation of Mid Atlantic Soaring Center?
573 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is W73 (FAA), in Fairfield, Pennsylvania.