What is the required indicated airspeed at the Initial Approach Fix when using VNAV with a T-Transition?

The correct answer is based on the understanding of the indicated airspeed requirements when using VNAV (Vertical Navigation) with a T-Transition at the Initial Approach Fix (IAF). In this context, the specified speed of 210 KIAS (Knots Indicated Air Speed) is aligned with the operational guidelines to ensure safe and efficient aircraft handling during the approach phase.

This airspeed is determined to provide adequate control and performance margins, minimizing any potential for stall or excessive workload during this critical phase of flight. Adhering to the 210 KIAS limit ensures that the aircraft remains within the parameters defined for operational safety while allowing for stable descent and configuration adjustments as required during the approach.

It's essential to ensure that airspeed restrictions are respected to maintain safety standards and operational efficiency, especially in complex airspace and approach procedures, where maintaining an adequate airspeed is vital for safe maneuverability.