Flying at 35,000 feet introduces pilots to "Coformed Corner" or This is the altitude where the aircraft's stall speed (low-speed limit) closely approaches its critical Mach number (high-speed limit). Davies explains how a sudden gust of wind or an over-banked turn at high altitudes can inadvertently cause either a low-speed stall or high-speed buffet, both of which require vastly different recovery techniques. 3. The Philosophy of "Good Airmanship"
Jet engines produce very little thrust in the lower percentage of their RPM range. The top 20% of engine RPM typically produces more than 50% of the total thrust. Handling the Big Jets.pdf
Understanding the lag between thrust application and speed increase, and how this impacts stabilization on approach. Flying at 35,000 feet introduces pilots to "Coformed