Lights

Question 1

Which Bus powers the Flood lights?

Answer 1

normally powered but DC bus 1

in EMRG goes to EMRG DC bus 2

Question 2

Cabin lighting power source

Answer 2

3 independent inverters 190v DC

Question 3

Cabin attendant call light colours and meaning?

Answer 3

Red = Flight deck 
Blue = Cabin
White = Lavitory

Question 4

Left landing light power source

Answer 4

Emerg Bus

Question 5

Temp control rotator knob position for normal ops

Answer 5

12oclock position is about 24deg C

Question 6

Taxi light operation

Answer 6

Taxi light is only on when gear is down and locked.

if selected on but gear is retracting the light will automatically turn off.

Question 7

When should the Logo light be on?

Answer 7

at night below 10,000ft

Question 8

Emergency lighting power source

Answer 8

separate source of power from 3 rechargeable batteries lasting 17min

Question 9

How do the emergency lights turn on automatically

Answer 9

If DC bus 1 fails then lights go on.
when the emergency light ON is selected the system simulates a failure of DC bus 1 .
Cabin attendant emergency light switch has priority in On position regardless of cockpit position.

Question 10

How many waring / Caution lights are there on the MAP

Answer 10

MAP = Multiple Alarm Panel on DC bus 1 and 2

16 red lights and 24 caution (12 per side)

Question 11

When does the landing gear warning announce

Answer 11

Flap position 17deg or more

Question 12

Cabin attendant curtesy light issue

Answer 12

Remember to turn off the curtesy light as it is attached to the hot battery bus.

If there is a bad connection in the door contactor then in Auto mode the light may stay on even when the door is closed.