Lire et écouter sur http://www.pilotworkshop.com/tips/cruise_descent_rate.htm extrait Let’s say traffic pattern is 1,000 feet AGL, and you need to lose 4,000 feet to get from your cruising altitude (5,000 ft) to pattern altitude. At 500 ft/min, it will take you 8 minutes to lose 4,000 feet. At 120 knots…