EMB120 Lighting System Flashcards
What is the maximum life of the emergency light battery packs?
17 Min
How many emergency light battery packs does the aircraft have?
3
What are the 3 functions of the emergency light switch?
Off - disconnects the battery packs from the emergency lights, turning them off. Only on the off position can the aircraft power be turned off without the emergency lights turning on.
ARM - Normal flight position. Battery packs are recharging from from EDC Bus 1. If EDC bus 1 fails, all emergency lights will turn on automatically.
On - Power from EDC bus 1 is cut off simulating an electrical failure. Battery packs are connected to the emergency lights turning them on.
How long does it take to charge the batter packs outside the aircraft if the emergency lights are left on for the entire 17 mins?
about 22 hours
What emergency lights does the aircraft have?
Emergency lights in cabin
EXIT signs
Aisle Strip lighting
External emergency lights
If electrical power is lost are any of the landing lights powered?
Yes, the left landing light is powered by EDC
What must happen for the Taxi light to turn on regardless of switch placement?
Gear must be down and locked, taxi light will turn off when gear is raised regardless of the switch position
What does the rotating beacon light switch do?
Sends signals to the flight data recorder to start recording
