During a long range climb, what is the transition speed after 10,000 feet?

The transition speed after 10,000 feet during a long-range climb is defined as the speed at which the aircraft can safely begin to climb to higher altitudes while ensuring efficient engine performance and aerodynamic stability. In this context, using 0.70 IMN (Indicated Mach Number) as the transition speed is appropriate as it aligns with the typical operational practices for many aircraft in high-altitude climbs, particularly for optimal fuel efficiency and performance.

At higher altitudes, maintaining a lower Mach number is crucial due to the reduction in air density, which affects lift and thrust. Setting the transition speed at 0.70 IMN allows pilots to manage these factors effectively, providing a balance between climb performance and airspeed control, which is vital for aircraft safety during long-range operations.