Descent Calculator

Formulas by FA081 Giff - Developed by FA011 Adrian

Altitude

Current altitude:

feet

Runaway elevation:

feet

Target altitude:

feet (usually 2000 ft above runaway elevation)

Speed

Ground speed:

knots

Descent rate:

feet per minute (usually 700 ft/min for GA, 1800 ft/min for jets)

Leg length

Fill in the length of each leg of the flight plan between your aircraft and the destination, working backward from the airport (including final), then press "Calculate".
You can click the waypoint names to change them in order to match your flight plan waypoints.

leg f-4

leg f-3

leg f-2

leg f-1

final leg

wpt

runaway (airport)