Lighting

Question 1

When armed, the emergency lights automatically illuminate with the loss of … ?

Answer 1

Right Main Bus Power

Question 2

Emergency lighting is provided it’s power from … ?

Answer 2

It’s own (2 independent, rechargeable) power supply units/battery packs

Question 3

Emergency power, when activated, will last approximately how long?

Answer 3

Ten (10) minutes at critical (low temp) ambient conditions

Question 4

The dome light in the overhead flight deck area is powered from … ?

Answer 4

Right Essential Bus

Question 5

The Left and Right COCKPIT LIGHT panel is powered by … ?

Answer 5

28 VDC power

Question 6

The standby instrument lights supply lighting to what 3 things?

Answer 6

1. Standby Compass
2. Standby Instrument
3. Clock

Question 7

The standby instrument lights typically receive power from … ?

Answer 7

Left Main Bus but will switch to the Right Essential Bus if left main bus power is lost.

Question 8

What lights are on the battery (HOT) bus?

Answer 8

Entry lights and the Ext Bag/Aft Bay light

Question 9

Except for entry/exit lighting and baggage compartment lighting, the cabin lighting receives it’s power from … ?

Answer 9

Left and Right Main Buses

Question 10

Other than activating the lights, what else is turned on when the STROBE/BCN switch is selected to any position other than OFF?

Answer 10

FDR - Flight Data Recorder

Question 11

Control of the dome light is from …

Answer 11

COCKPIT LIGHTS on the copilot side

Question 12

The COCKPIT LIGHTS panel on both sides is powered by …

Answer 12

28 VDC

Question 13

The ENTRY/EXIT LIGHTS are powered by …

Answer 13

The left battery bus and turn off automatically with closure of the cabin door

Question 14

The baggage light is powered by …

Answer 14

Left battery bus

Question 15

How many lights illuminate the aft compartment?

Answer 15

Two

Question 16

Describe how the auto shutoff box works in the aft service compartment?

Answer 16

• The box is switched ON with one click
• After 15 minutes in normal operation, the lights
  automatically flash for 10 seconds and then go back to
  normal operation for 5 minutes
• After 20 minutes total time, the auto shutoff box switched
  to standby mode
• The lights can be reset or restarted by pressing the button
  a second time while the lights are ON
• Two quick clicks switches the box from normal to standby
  operation

Question 17

Should one of the two navigational tail lights fail, how do you select the operational light?

Answer 17

The NAV switch from PRI to SEC which is located on the right avionics rack circuit breaker panel

Question 18

Which light on the nose gear is the taxi light?

Answer 18

From the cockpit, the one on the right. The light with the vertical stripes in the lens

Question 19

When will the N LDG/TAXI light illuminate in flight?

Answer 19

When the landing gear is in the down and locked position as determined by the PSEU (Proximity Sensing Electronic Unit)