Bettles, Alaska · field elev 647 ft
Density Altitude at Bettles (PABT)
Bettles sits at 647 ft, and even a typical July afternoon (70 °F) only lifts density altitude to about 1,541 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 | −10.6 | −4,162 ft | −2.4 | −3,527 ft |
| February | −3.4 | −3,604 ft | 6.5 | −2,854 ft |
| March | 3.7 | −3,064 ft | 16.6 | −2,109 ft |
| April | 24.6 | −1,533 ft | 35.9 | −739 ft |
| May | 45.0 | −116 ft | 55.7 | 600 ft |
| June | 58.6 | 791 ft | 69.9 | 1,522 ft |
| July | 59.8 | 869 ft | 70.2 | 1,541 ft |
| August | 52.7 | 401 ft | 62.6 | 1,052 ft |
| September | 41.2 | −374 ft | 49.8 | 208 ft |
| October | 21.3 | −1,769 ft | 28.4 | −1,264 ft |
| November | 0.3 | −3,321 ft | 7.6 | −2,772 ft |
| December | −6.0 | −3,804 ft | 1.9 | −3,200 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 PABT
DENSITY ALTITUDE
Field elevation 647 ft — the air behaves like 1,528 ft.
- PRESSURE ALT
- 648 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
- PAPR — Prospect Creek
Prospect Creek · elev 1,095 ft
- PFAL — Allakaket
Allakaket · elev 441 ft
- PACX — Coldfoot
Coldfoot · elev 1,049 ft
- WSM — Wiseman
Wiseman · elev 1,195 ft
- PAKP — Anaktuvuk Pass
Anaktuvuk Pass · elev 2,106 ft
- PFSV — Stevens Village
Stevens Village · elev 328 ft
- PALR — Chandalar Lake
Chandalar Lake · elev 1,920 ft
- PAAG — Chandalar Shelf
Chandalar Camp · elev 3,222 ft
Frequently asked questions
How high does density altitude get at PABT in summer?
On a typical July afternoon — around 70 °F at the nearest NOAA normals station — density altitude at Bettles reaches roughly 1,541 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 PABT on an average day?
It swings with the seasons: from roughly −4,162 ft at the coldest month's average temperature to about 869 ft at the warmest month's — all from a constant field elevation of 647 ft. The month-by-month table above carries the full year.
What is the field elevation of Bettles?
647 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is PABT (ICAO) / BTT (FAA), in Bettles, Alaska.