◆ SpookStack

Pare & FFI Project "STqI 6. Ability to determine: Color: Both observers are required by high physical requirements to know colors. Speed of moving objects: Ooservers are constantly required to estimate the spped of moving aircraft in the course of their normal duties. Size at distance: Observers are constantly required to estimate the size and distance of objects in the course of their normal duties. jiability of observer: Sources: (1) Neighbors: Both observers are considered fully reliable, competent airmen by their fellow weots. Police Dept: No police record on the observers, FBI records: No YBI records on the observers, Emplover: AACS officer in charge of the observers consider them high type individuals fully quelified both mentally end physically for control tower duty; they are considered competent, reliable observers psychologically stable. &. Notes relative to observer on: a. Sightines in general: Both observers are considered competent, reliable and psychologi- cally stable.