本文件建议了确保飞行甲板上有足够能见度的标准。飞行甲板挡风玻璃必须提供足够的外部视野，以允许飞行员在飞机的操作范围内安全地执行任何操纵，同时从同一眼睛位置提供飞行仪表和其他关键部件及显示器的无障碍视野。

This document recommends criteria to assure adequate visibility from the flight deck. The flight deck windshield must provide sufficient external vision to permit the pilot to perform any maneuvers within the operating limits of the aircraft safely and at the same time afford and unobstructed view of the flight instruments and other critical components and displays from the same eye position.