Electrical

Question 1

What type of electrical system is the aircraft equipped with?

Answer 1

A 28V DC electrical power generation and distribution system

AOM 9-5-01

Question 2

If both generators are available, do they operate in a split bus mode or parallel mode?

Answer 2

Split Bus mode

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Question 3

What does the white AVAIL light indicate

Answer 3

That the GPU button is pushed out, a GPU is connected and voltage is set between 25V DC and 30V DC

Question 4

Which light will illuminate when the GPU button is pushed in and providing power to the airplane?

Answer 4

If the GPU button is pushed in and providing power to the airplane the white AVAIL light will go off and the green IN USE light will illuminate

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Question 5

What will the indication be on the electrical synoptic page if the GPU is connected but is not providing power to the airplane

Answer 5

A white GPU

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Question 6

What color does the battery voltage indication show if the battery is discharging

Answer 6

Amber

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Question 7

Will the RAT be continuously displayed on the electrical synoptic page. If not, when will it be displayed.

Answer 7

No - only when it is deployed and providing power to the airplane.

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Question 8

How can the pilot manually command the RAT to deploy

Answer 8

The right seat pilot can pull the red manual deploy control.

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Question 9

What buses is the APU capable of supplying power to on ground if the APU is the only source of electrical power.

Answer 9

All electrical loads including the shed buses and charging the batteries

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Question 10

What buses are the APU capable of supplying power to in flight.

Answer 10

All electrical loads (except for shed buses) and charging the batteries.

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Question 11

What buses do the RAT generator power

Answer 11

EMER buses 1, 2, 3 and charging the batteries.

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Question 12

When will the RAT automatically deploy

Answer 12

During an electrical emergency

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Question 13

In flight, when will an electrical emergency occur?

Answer 13

When the two main generators and the APU generator are unavailable

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Question 14

How many main batteries are there

Answer 14

Two

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Question 15

What is the rating of the main batteries

Answer 15

24V DC 40 Ah NiCad batteries

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Question 16

If the batteries are the only source of electrical power inflight, what buses will be powered and what CAS messages will be displayed?

Answer 16

The EMER BUSES and the red BATT DISCHARGING CAS message

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Question 17

In an electrical emergency, what buses are powered/ isolated from the aircraft electrical system?

Answer 17

EMER BUS 1, EMER BUS 2, and EMER BUS 3

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Question 18

In an electrical emergency, what sources of power can provide electrical power to the EMER BUS 1, EMER BUS 2, and EMER BUS 3

Answer 18

BATT 1, BATT 2, RAT

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Question 19

What buses will be energized when the airplane is de-energized and there is no electrical power source available?

Answer 19

HOT BATT BUS 1 and HOT BATT BUS 2

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Question 20

For ground servicing, when a GPU is connected and providing power to the airplane, with the GPU button pushed out and the BATT 1 and BATT 2 switches in the OFF position, which bus is energized by the GPU

Answer 20

SHED BUS 1

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Question 21

Which battery is connected to the APU START BUS to assist with an APU start?

Answer 21

BATT 2

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Question 22

How many generators need to be operating in order for the SHED BUSES to be energized in flight?

Answer 22

Two

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