Deblois, Maine · field elev 218 ft
Density Altitude at Deblois Flight Strip (43B)
Deblois Flight Strip sits at 218 ft, and even a typical July afternoon (76 °F) only lifts density altitude to about 1,408 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 | 19.1 | −2,468 ft | 28.8 | −1,772 ft |
| February | 21.8 | −2,272 ft | 32.2 | −1,533 ft |
| March | 30.6 | −1,645 ft | 39.3 | −1,039 ft |
| April | 41.5 | −888 ft | 50.9 | −250 ft |
| May | 51.7 | −197 ft | 61.2 | 432 ft |
| June | 60.2 | 366 ft | 69.7 | 982 ft |
| July | 66.0 | 744 ft | 76.4 | 1,408 ft |
| August | 65.8 | 731 ft | 76.4 | 1,408 ft |
| September | 58.8 | 274 ft | 69.2 | 950 ft |
| October | 48.1 | −439 ft | 56.9 | 149 ft |
| November | 38.0 | −1,129 ft | 46.3 | −560 ft |
| December | 26.9 | −1,907 ft | 35.2 | −1,323 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 43B
DENSITY ALTITUDE
Field elevation 218 ft — the air behaves like 1,383 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 Maine fields
- KMVM — Machias Valley
Machias · elev 96 ft
- KBHB — Hancock County/Bar Harbor
Bar Harbor · elev 83 ft
- ME2 — Cutler Regional
Cutler · elev 55 ft
- KOLD — Dewitt Field/Old Town Municipal
Old Town · elev 127 ft
- 66B — Gillespie Field
Meddybemps · elev 200 ft
- 0B2 — Brewer
Brewer · elev 125 ft
- KPNN — Princeton Municipal
Princeton · elev 265 ft
- KBGR — Bangor International
Bangor · elev 192 ft
Frequently asked questions
How high does density altitude get at 43B in summer?
On a typical July afternoon — around 76 °F at the nearest NOAA normals station — density altitude at Deblois Flight Strip reaches roughly 1,408 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 43B on an average day?
It swings with the seasons: from roughly −2,468 ft at the coldest month's average temperature to about 744 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 Deblois Flight Strip?
218 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 43B (FAA), in Deblois, Maine.