NIVELES RNG MRO B787-2026 ATA 33

What provides emergency lighting in case of normal power source loss?. A. Halogen lamps. B. High intensity discharge (HID). C. Light emitting diode (LED). D. Batteries.

Which component controls the passenger compartment lights system?. A. Cabin Service System Controller (CSSC). B. Cabin Attendant Panel (CAP). C. Cabin Zone Unit (CZU). D. Passenger Service Module (PSM).

How are dome lights controlled in the passenger compartment?. A. From the CAP menu. B. Through the ASP. C. Using the DOME switch on the P5 panel. D. Automatically by the CSS.

What happens if communication between the PCU and the CDN fails?. A. Lights remain off. B. PCU uses default light settings. C. Lights flicker intermittently. D. PCU shuts down.

Control of the cargo compartment lights is managed directly by switches located inside the cargo compartments. A. True. B. False.

The exterior cargo lights receive power from the Remote Power Distribution Units (RPDUs) as well as the interior lights. A. True. B. False.

Where is the software for controlling all exterior lights located?. A. Cabin Attendant Panel. B. Triple power supply. C. Common Computing Resource (CCR) cabinets. D. Remote Power Distribution Unit (RPDU).

What purpose do the runway turnoff lights serve during ground operations?. A. Provide light for night landings. B. Illuminate the runway turnoff areas. C. Aid in taxiing. D. Illuminate the wing and nose landing gears.

Which lights are synchronized through a synch wire connecting the upper and lower lights?. A. Body anti-collision lights. B. Wing anti-collision lights. C. Tailcone anti-collision lights. D. Nose landing lights.

What powers the position lights when the TOWING POWER switch is ON?. A. External power. B. Main battery. C. APU battery. D. Ram Air Turbine (RAT).

. How are emergency lights controlled in the flight deck and passenger compartment?. A. From the P5 panel EMER LIGHTS switch. B. Automatically by the WELS control units. C. Through the ASP EMER LIGHTS switch. D. By the flight crew using a dedicated handheld devic.

What does the ARMED position of the P5 EMER LIGHTS switch indicate?. A. Emergency lights are turned off. B. Emergency lights come on automatically in case of power failure. C. Emergency lights are manually turned on. D. Emergency lights are being tested.

How is the EMER LIGHTS TEST switch on the master ASP used?. A. To turn on the emergency lights for about 120 seconds. B. To manually turn on the emergency lights. C. To reset the red LED on the EMER LIGHTS switch. D. To turn off the emergency lights.

Which component receives signals to operate the chime in the Passenger Address System (PAS)?. A. Flight deck handset (FDH). B. Cabin Service System Controller (CSSC). C. Cabin attendant handset (CAH). D. Cabin Zone Unit (CZU).

What increases the volume of the Passenger Address System (PAS) in different scenarios such as when the aircraft is on the ground with engines on?. A. Flight interphone system. B. Cabin decompression. C. Airborne. D. On the ground with the engines on.

What is responsible for converting digital audio data to analog signals in the PAS?. A. Flight deck handset (FDH). B. Cabin Zone Unit (CZU). C. Speaker Drive Module (SDM). D. Cabin attendant handset (CAH).

How is the priority of voice announce data determined in the Speaker Drive Module (SDM)?. A. It is set manually by cabin crew. B. It is based on the time of the announcement. C. It is determined by the flight deck handset (FDH). D. It is set in the configuration database (CDB).

The cargo loading lights are activated when the cargo doors are open and the corresponding loading light switch is turned on. A. True. B. False.

All interior cargo compartment lights are LED assemblies and are controlled by switches located near the cargo compartments. A. True. B. False.

How many white lights are there in the logo light system?. A. One. B. Two. C. Three. D. Four.

What powers the position lights when the TOWING POWER switch is ON?. A. External power. B. Main battery. C. APU battery. D. Ram Air Turbine (RAT).

How are emergency lights controlled in the flight deck and passenger compartment?. A. From the P5 panel EMER LIGHTS switch. B. Automatically by the WELS control units. C. Through the ASP EMER LIGHTS switch. D. By the flight crew using a dedicated handheld device.

What does the ARMED position of the P5 EMER LIGHTS switch indicate?. A. Emergency lights are turned off. B. Emergency lights come on automatically in case of power failure. C. Emergency lights are manually turned on. D. Emergency lights are being tested.

How is the EMER LIGHTS TEST switch on the master ASP used?. A. To turn on the emergency lights for about 120 seconds. B. To manually turn on the emergency lights. C. To reset the red LED on the EMER LIGHTS switch. D. To turn off the emergency lights.