Lighting Flashcards
When armed, the emergency lights automatically illuminate with the loss of … ?
Right Main Bus Power
Emergency lighting is provided it’s power from … ?
It’s own (2 independent, rechargeable) power supply units/battery packs
Emergency power, when activated, will last approximately how long?
Ten (10) minutes at critical (low temp) ambient conditions
The dome light in the overhead flight deck area is powered from … ?
Right Essential Bus
The Left and Right COCKPIT LIGHT panel is powered by … ?
28 VDC power
The standby instrument lights supply lighting to what 3 things?
- Standby Compass
- Standby Instrument
- Clock
The standby instrument lights typically receive power from … ?
Left Main Bus but will switch to the Right Essential Bus if left main bus power is lost.
What lights are on the battery (HOT) bus?
Entry lights and the Ext Bag/Aft Bay light
Except for entry/exit lighting and baggage compartment lighting, the cabin lighting receives it’s power from … ?
Left and Right Main Buses
Other than activating the lights, what else is turned on when the STROBE/BCN switch is selected to any position other than OFF?
FDR - Flight Data Recorder
Control of the dome light is from …
COCKPIT LIGHTS on the copilot side
The COCKPIT LIGHTS panel on both sides is powered by …
28 VDC
The ENTRY/EXIT LIGHTS are powered by …
The left battery bus and turn off automatically with closure of the cabin door
The baggage light is powered by …
Left battery bus
How many lights illuminate the aft compartment?
Two
Describe how the auto shutoff box works in the aft service compartment?
- 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
Should one of the two navigational tail lights fail, how do you select the operational light?
The NAV switch from PRI to SEC which is located on the right avionics rack circuit breaker panel
Which light on the nose gear is the taxi light?
From the cockpit, the one on the right. The light with the vertical stripes in the lens
When will the N LDG/TAXI light illuminate in flight?
When the landing gear is in the down and locked position as determined by the PSEU (Proximity Sensing Electronic Unit)
