Aircraft Lighting Flashcards
How are the emergency light batteries charged?
The emergency light batteries are charged by Essential DC Bus 2.
Reference: OM Vol.2, Section 2-6
How are the aisle pathways illuminated on the XR, and what charges it?
The aisle path lighting is provided from photoluminescent strips. The strips must be charged by allowing an un-obstructed exposure to the normal cabin lighting for 10 minutes on the first flight of the day.
Reference: OM Vol. 2, Section 2-6, Emergency Lighting, Photoluminescent Escape Path Lighting System
What power source energizes the emergency lighting system on the 135 EP/LR, 145 EP/LR?
Four dedicated batteries provide power to the emergency lighting system. The batteries are charged via essential DC bus 2 when they are not in use.
Reference: OM Vol. 2, Section 2-6, Emergency Lighting
How long will the emergency lighting last?
The batteries will provide power for approximately 15 minutes.
Reference: OM Vol. 2, Section 2-6, Emergency Lighting
Is it possible for the flight attendant to activate emergency lighting if the cockpit emergency light switch is set to OFF?
Yes, the flight attendant may override the cockpit switch and turn on emergency lighting anytime.
Reference: OM Vol. 2, Section 2-6, Attendant Emergency Lighting Control Button
Can the emergency light batteries be charged while they are in use?
No, the batteries are only charged when the emergency light switch is in the ARM position and the lights are not in use.
Reference: OM Vol. 2, Section 2-6, Controls and Indicators.
Will the nosewheel taxi and landing light remain illuminated following gear retraction?
No, the lights are automatically extinguished when the nose gear isn’t down and locked.
Reference: OM Vol. 2, Section 2-6, External Lighting
What is the power source of the nosewheel taxi and landing lights?
The nosewheel lights are shed bus powered. Reference: OM Vol. 2, Section 2-5, DC Distribution Tables
