Aircraft performance

Observed vertical-rate profile by ICAO aircraft type.

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H25B

1,170 observations · updated 2026-08-28 03:49 UTC

Climb

MinimumAverageMaximum
0 1,000 2,000 3,000 10k 20k 30k 40k 45k Vertical rate (ft/min) Altitude (ft) 5,000–10,000 ft · Min 1,628 ft/min · 9 samples 5,000–10,000 ft · Avg 2,233.0 ft/min · 9 samples 5,000–10,000 ft · Max 2,864 ft/min · 9 samples 10,000–15,000 ft · Min 1,724 ft/min · 12 samples 10,000–15,000 ft · Avg 2,069.0 ft/min · 12 samples 10,000–15,000 ft · Max 2,404 ft/min · 12 samples 15,000–20,000 ft · Min 1,333 ft/min · 24 samples 15,000–20,000 ft · Avg 1,944.0 ft/min · 24 samples 15,000–20,000 ft · Max 2,404 ft/min · 24 samples 20,000–25,000 ft · Min 1,104 ft/min · 28 samples 20,000–25,000 ft · Avg 1,460.0 ft/min · 28 samples 20,000–25,000 ft · Max 1,808 ft/min · 28 samples 25,000–30,000 ft · Min 1,104 ft/min · 34 samples 25,000–30,000 ft · Avg 1,460.0 ft/min · 34 samples 25,000–30,000 ft · Max 1,797 ft/min · 34 samples 30,000–35,000 ft · Min 981 ft/min · 37 samples 30,000–35,000 ft · Avg 1,460.0 ft/min · 37 samples 30,000–35,000 ft · Max 1,797 ft/min · 37 samples 35,000–40,000 ft · Min 659 ft/min · 40 samples 35,000–40,000 ft · Avg 1,116.0 ft/min · 40 samples 35,000–40,000 ft · Max 1,422 ft/min · 40 samples 40,000–45,000 ft · Min 659 ft/min · 12 samples 40,000–45,000 ft · Avg 1,116.0 ft/min · 12 samples 40,000–45,000 ft · Max 1,422 ft/min · 12 samples

Descent

MinimumAverageMaximum
0 1,000 2,000 3,000 4,000 45k 40k 30k 20k 10k 5k Vertical rate (ft/min) Altitude (ft) 40,000–45,000 ft · Min 1,049 ft/min · 18 samples 40,000–45,000 ft · Avg 1,690.0 ft/min · 18 samples 40,000–45,000 ft · Max 2,226 ft/min · 18 samples 35,000–40,000 ft · Min 1,141 ft/min · 78 samples 35,000–40,000 ft · Avg 1,808.0 ft/min · 78 samples 35,000–40,000 ft · Max 2,418 ft/min · 78 samples 30,000–35,000 ft · Min 1,153 ft/min · 99 samples 30,000–35,000 ft · Avg 1,869.0 ft/min · 99 samples 30,000–35,000 ft · Max 2,468 ft/min · 99 samples 25,000–30,000 ft · Min 1,389 ft/min · 111 samples 25,000–30,000 ft · Avg 2,061.0 ft/min · 111 samples 25,000–30,000 ft · Max 2,664 ft/min · 111 samples 20,000–25,000 ft · Min 1,389 ft/min · 125 samples 20,000–25,000 ft · Avg 2,061.0 ft/min · 125 samples 20,000–25,000 ft · Max 2,664 ft/min · 125 samples 15,000–20,000 ft · Min 1,638 ft/min · 131 samples 15,000–20,000 ft · Avg 2,368.0 ft/min · 131 samples 15,000–20,000 ft · Max 3,040 ft/min · 131 samples 10,000–15,000 ft · Min 1,361 ft/min · 136 samples 10,000–15,000 ft · Avg 2,096.0 ft/min · 136 samples 10,000–15,000 ft · Max 2,717 ft/min · 136 samples 5,000–10,000 ft · Min 1,133 ft/min · 141 samples 5,000–10,000 ft · Avg 1,837.0 ft/min · 141 samples 5,000–10,000 ft · Max 2,427 ft/min · 141 samples 0–5,000 ft · Min 806 ft/min · 135 samples 0–5,000 ft · Avg 1,419.0 ft/min · 135 samples 0–5,000 ft · Max 1,925 ft/min · 135 samples

Values come from the performance table and are shown as positive vertical-rate magnitudes in 5,000-foot altitude bands.