What may be high workload for a developmental air traffic controller is likely to be experienced as moderate to low workload by a Full Performance Level (FPL) controller who has 20 years of experience.

• 对于初级管制人员产生高工作负荷的管制环境，对具有20年管制经验的成熟管制员而言很可能就只意味着中等甚至较低的工作负荷。