Lighting System (33) Flashcards
What subsystems are the lights divided into?
- Internal
- External
- Emergency
What systems are integrated into the lighting system?
- The lights
- EPDGS
- Emerg lights power supply
- EDCU
- AMMS
- Dimming subsystem
- Lighting Control Panel (LDP)
- Cabin Lighting Control Panel (CLCP)
- Collective Grips
What does LCP mean?
Lighting Control Panel
What does CLCP mean?
Cabin Lighting Control Panel
Where is the LCP located and what does it control?
- Interseat console
- EMERG & DAY/NIGHT controls
What does the CLCP control?
- Dimming of the cabin lights and panels
- DAY/NIGHT mode
- EMERG lights
How are the lights dimmed?
Via the EDCU
How is the Lamp Test carried out?
Via the EDCU
Followed by a SUCCESS message
What internal lights are fed from REPU 1?
- Co-pilot utility light
What internal lights are fed from REPU 2?
- Storm lights
- Dome light
What Internal lights are fed from the 28Vdc EMER Bus 2?
Pilot utility light
(via physical CCT BKR.)
What internal lights are fed from REPU 3?
- Cabin Utility Lights
- Pax seat belt signs
- Baggage Lights
How are lights controlled?
Lighting Control Panel (LCP)
Cabin Lighting Control Panel (CLCP)
EDCU
Collective Grips
How does the EMERG light switch work?
three-position switch
1. OFF
2. ARM
3. ON
What % level is Night Mode?
60%
How does the CLCP EMERG switch differ from the cockpit?
It’s a single position switch ON/OFF
What cockpit emergency lighting is there?
Pilot utility light.
Connected to the 28Vdc EMER BUS 2
How are the strom lights accessed and can they be dimmed?
Via the EDCU
No
How do you set the Landing Light to the manufacturer default position?
Momentarily pressing AUTO EXT/CAGE switch
What happens when you press STOW on the Landing Light?
Centre both lights
Switch them off
Stow them
What is the secondary method of operating the Landing Lights?
Via the EDCU
What external lights are powered from REPU 1?
LH Steerable Landing Light
What external lights are powered by REPU2?
Position lights
What external lights are powered by REPU3
Anti-Collision Lights
What external lights are powered by the 28Vdc EMER BUS 2?
RH Steerable Landing Light
What lights are provisioned for in the Emergency Lighting System?
One light in cockpit
One landing light
Two cabin lights
Two external lights
(1-1-2-2)
How are the Emergency Lights Powered?
Via the Emergency Power Supply Units
How long will the emergency lights last for?
20 mins
How long does it take to charge an EPSU from 0%?
1 hour
How do you control the internal lights?
EDCU
When you enter the EDCU lights page, what is it showing Internal or External?
EXTERNAL
If you suffer a double BSG failure will the storm lights still work?
NO
What colour is the storm light and can you change the storm light brightness?
- White
- No
When are the Emergency Lights battery charging?
When ARMED or OFF
How long will the Emergency lights last for?
20 mins
