What is the recommended speed during the final approach phase?

During the final approach phase, the recommended speed for the King Air 350 is 120 KIAS (Knots Indicated Airspeed). This speed is optimal as it allows for a balance between sufficient control authority and stable descent performance while minimizing the risk of stall as the aircraft descends toward the runway.

Choosing 120 KIAS provides adequate margin for a safe approach while ensuring that the aircraft can respond effectively to any changes in flight conditions or unexpected circumstances. Additionally, maintaining this speed helps in achieving the desired descent rate without encountering excessive drag or requiring significant power adjustments.

The other speeds listed fall outside of the recommended parameters for final approach, as flying significantly faster can lead to a longer landing distance and increased workload, whereas speeds that are too slow could compromise the safety of the approach and lead to a stall.