Bear Creek, Alaska · field elev 740 ft
Density Altitude at Bear Creek 3 (Z48)
Bear Creek 3 sits at 740 ft, and even a typical July afternoon (70 °F) only lifts density altitude to about 1,610 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 | −5.8 | −3,670 ft | 2.6 | −3,029 ft |
| February | 4.5 | −2,886 ft | 14.7 | −2,131 ft |
| March | 11.9 | −2,336 ft | 24.5 | −1,424 ft |
| April | 32.2 | −880 ft | 42.9 | −143 ft |
| May | 48.4 | 229 ft | 58.9 | 925 ft |
| June | 58.7 | 912 ft | 68.8 | 1,565 ft |
| July | 60.8 | 1,049 ft | 69.5 | 1,610 ft |
| August | 55.9 | 728 ft | 64.0 | 1,257 ft |
| September | 46.0 | 67 ft | 53.9 | 596 ft |
| October | 28.4 | −1,147 ft | 34.5 | −720 ft |
| November | 8.0 | −2,625 ft | 14.9 | −2,116 ft |
| December | −2.3 | −3,401 ft | 5.5 | −2,811 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 Z48
DENSITY ALTITUDE
Field elevation 740 ft — the air behaves like 1,642 ft.
- PRESSURE ALT
- 741 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 Alaska fields
- Z17 — Ophir
Ophir · elev 595 ft
- A77 — Yankee Creek 2
Yankee Creek · elev 1,120 ft
- PPCT — Takotna
Takotna · elev 423 ft
- PAMC — Mc Grath
Mc Grath · elev 343 ft
- PAFS — Nikolai
Nikolai · elev 447 ft
- PARY — Ruby
Ruby · elev 658 ft
- PAGA — Edward G Pitka Sr
Galena · elev 154 ft
- 2K5 — Telida
Telida · elev 650 ft
Frequently asked questions
How high does density altitude get at Z48 in summer?
On a typical July afternoon — around 70 °F at the nearest NOAA normals station — density altitude at Bear Creek 3 reaches roughly 1,610 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 Z48 on an average day?
It swings with the seasons: from roughly −3,670 ft at the coldest month's average temperature to about 1,049 ft at the warmest month's — all from a constant field elevation of 740 ft. The month-by-month table above carries the full year.
What is the field elevation of Bear Creek 3?
740 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is Z48 (FAA), in Bear Creek, Alaska.