4. Crew Alerting Systems

Question 1

What does ENGINE OIL PRESSURE light indicate?

Answer 1

Less than 40 PSI of engine oil pressure

Question 2

What does AFT FUEL LOW LEVEL light indicate?

Answer 2

110lbs or less of fuel in the collector cell.

Question 3

What does 400 CYCLE light indicate?

Answer 3

Loss of 26VAC on the 26VAC bus

Question 4

What does FWD FUEL LOW LEVEL light indicate?

Answer 4

75lbs or less of fuel in the collector cell

Question 5

When does stall warning horn/light activate?

Answer 5

4-9 knots above the actual stall

Question 6

What is a feature of the bulbs used in the FIRE PULL handles and the post lights?

Answer 6

They are the same and interchangeable

Question 7

What does a PNEUMATIC LOW PRESS caution light indicate?

Answer 7

Regulated pneumatic pressure has dropped below 18 psi

Question 8

The caution lights receive power from?

Answer 8

The emergency bus

Question 9

What illuminates when CAUTION LT switch is selected to TEST?

Answer 9

• all 18 caution lights
• beta and autofeather system lights
• powerlever microswitch light and stall warning light

Question 10

What does a BETA caution light indicate?

Answer 10

disarming of the beta back-up system