Bridgeport, Connecticut · field elev 9 ft
Density Altitude at Bridgeport/Sikorsky (KBDR)
Bridgeport/Sikorsky sits at 9 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 1,591 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 | 31.4 | −1,850 ft | 38.4 | −1,361 ft |
| February | 33.1 | −1,731 ft | 40.5 | −1,216 ft |
| March | 39.9 | −1,258 ft | 47.4 | −745 ft |
| April | 50.0 | −570 ft | 58.3 | −17 ft |
| May | 60.0 | 95 ft | 68.4 | 641 ft |
| June | 69.6 | 719 ft | 77.7 | 1,234 ft |
| July | 75.7 | 1,108 ft | 83.4 | 1,591 ft |
| August | 74.5 | 1,032 ft | 81.9 | 1,497 ft |
| September | 67.6 | 590 ft | 75.4 | 1,089 ft |
| October | 56.4 | −142 ft | 64.4 | 383 ft |
| November | 46.0 | −840 ft | 53.6 | −329 ft |
| December | 37.0 | −1,459 ft | 43.8 | −990 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 KBDR
DENSITY ALTITUDE
Field elevation 9 ft — the air behaves like 1,566 ft.
- PRESSURE ALT
- 10 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 Connecticut fields
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New Haven · elev 13 ft
- KOXC — Waterbury-Oxford
Oxford · elev 730 ft
- KDXR — Danbury Municipal
Danbury · elev 457 ft
- KMMK — Meriden Markham Municipal
Meriden · elev 103 ft
- N41 — Mount Tobe
Waterbury · elev 850 ft
- 11N — Candlelight Farms
New Milford · elev 675 ft
- KSNC — Chester
Chester · elev 416 ft
- 4B8 — Robertson Field
Plainville · elev 202 ft
Frequently asked questions
How high does density altitude get at KBDR in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Bridgeport/Sikorsky reaches roughly 1,591 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 KBDR on an average day?
It swings with the seasons: from roughly −1,850 ft at the coldest month's average temperature to about 1,108 ft at the warmest month's — all from a constant field elevation of 9 ft. The month-by-month table above carries the full year.
What is the field elevation of Bridgeport/Sikorsky?
9 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBDR (ICAO) / BDR (FAA), in Bridgeport, Connecticut.