SAE ARP991C涵盖了以下方面的推荐照明性能和设计标准:a.左前导航位置灯（红色）b.右前导航位置灯（绿色）c.后导航位置灯（白色）d.防撞灯（1）红色闪光灯机身顶部和底部（2）白色闪烁频闪灯翼尖和/或尾部（3）垂直尾翼顶部的红色闪烁信标灯

SAE ARP991C covers the recommended lighting performance and design criteria for:a. Left Forward Navigation Position Lights (Red)b. Right Forward Navigation Position Lights (Green)c. Rear Navigation Position Lights (White)d. Anticollision Lights(1) Red Flashing Lights Top and Bottom Fuselage(2) White Flashing Strobe Lights Wing Tips and/or Tail(3) Red Flashing Beacon Light on Top of Vertical Tail