Lights Flashcards

1
Q

Which Bus powers the flood lights?

A

Normally powered by DC bus 1

In emergency goes to EMRG DC bus 2

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2
Q

Cabin lighting power source

A

3 independent inverters 190v DC

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3
Q

Cabin attendant call light colours and meaning?

A

Red = Flight deck
Blue = Cabin
White = Lavatory

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4
Q

Left landing light power source

A

Emerg Bus

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5
Q

Temp control rotator knob position for normal ops

A

12 o’clock position is about 24 degrees C

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6
Q

Taxi light operation

A

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

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

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7
Q

When should the logo light be on?

A

At night below 10,000ft

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8
Q

Emergency lighting power source

A

Separate source of power from 3 rechargeable batteries lasting 17min

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9
Q

How do the emergency lights turn on automatically

A

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.

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10
Q

How many warning / caution lights are there on the MAP

A

MAP = Multiple Alarm Panel on DC bus 1 and 2

16 red lights and 24 caution (12 per side)

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11
Q

When does the landing gear warning announce

A

Flap position 17 degrees or more

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12
Q

Cabin attendant curtesy light issue

A

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.

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