Hastings, Michigan · field elev 800 ft
Density Altitude at Hastings (9D9)
Hastings sits at 800 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,476 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 | 23.3 | −1,434 ft | 30.5 | −924 ft |
| February | 25.1 | −1,306 ft | 33.8 | −694 ft |
| March | 33.9 | −687 ft | 44.2 | 20 ft |
| April | 45.4 | 101 ft | 56.9 | 868 ft |
| May | 57.1 | 881 ft | 68.9 | 1,646 ft |
| June | 66.7 | 1,505 ft | 78.1 | 2,227 ft |
| July | 70.5 | 1,748 ft | 82.1 | 2,476 ft |
| August | 68.8 | 1,639 ft | 80.2 | 2,358 ft |
| September | 61.7 | 1,182 ft | 73.8 | 1,957 ft |
| October | 50.0 | 411 ft | 60.8 | 1,123 ft |
| November | 38.5 | −369 ft | 46.7 | 189 ft |
| December | 28.8 | −1,044 ft | 35.4 | −583 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 9D9
DENSITY ALTITUDE
Field elevation 800 ft — the air behaves like 2,470 ft.
- PRESSURE ALT
- 801 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
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- 61D — Virgil L Williams Plainwell Municipal
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- C43 — Hiram Cure
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- 49G — Wend Valley
Charlotte · elev 859 ft
- Y70 — Ionia County
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- KBTL — Battle Creek Exec At Kellogg Field
Battle Creek · elev 952 ft
Frequently asked questions
How high does density altitude get at 9D9 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Hastings reaches roughly 2,476 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 9D9 on an average day?
It swings with the seasons: from roughly −1,434 ft at the coldest month's average temperature to about 1,748 ft at the warmest month's — all from a constant field elevation of 800 ft. The month-by-month table above carries the full year.
What is the field elevation of Hastings?
800 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9D9 (FAA), in Hastings, Michigan.