Performance & runway
Top of descent
Where to start down for a target altitude, distance and descent angle.
- Start descent at
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- Rate of descent
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The link carries your inputs, share it and the tool opens pre-filled.
How it works
Gradient = tan(angle) × 6076 ft/NM. Distance = height ÷ gradient; rate = gradient × groundspeed ÷ 60 ft/min.
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