Warnings and Caution Systems

Question 1

When the test switch is selected to the advisory position on the overhead panel, which lights are being tested?

Answer 1

Fire Lights, Ice Protection Lights, Landing Gear Lights and all Advisory Lights

Question 2

When the test switch is selected to the caution position on the overhead panel, which lights are being tested?

Answer 2

All warning and caution lights; APU Panel

Question 3

When a warning light comes on, what state does it come on in?

Answer 3

Flashing

Question 4

What is the only Caution that is not associated to a master caution?

Answer 4

Fuelling On

Question 5

What is the importance of resetting a master warning/caution indicator?

Answer 5

To arm the system for a fault in a different system

Question 6

What stall protection systems are provided for the Q300?

Answer 6

Stick Shaker, Stick Pusher, Fast/Slow Pointer

Question 7

When will the stick shaker activate?

Answer 7

When a stall warning computer detects an AoA vane has exceeded its predetermined value.

Question 8

Will the stick shaker operate if #2 stall warning computer fails?

Answer 8

Yes, from the left AoA vane and warning Computer 1

Question 9

Will the stick pusher operate if #1 stall warning computer fails?

Answer 9

No, requires both computers to be operational

Question 10

What are the conditions that will cause a take-off configuration warning?

Answer 10

When the aircraft is on the ground and one or both power levers advanced above 50% and at least one of the following conditions exist:

• ECU rating selector not on TOP.
• Elevator trim outside of the take-off range.
• Parking Brake lever selected to park.
• One or both condition levers not at Max.
• Flaps extended more than 15 degrees or less than 5 degrees.

Question 11

Can the take-off warning horn be silenced if flaps are less than 5°?

Answer 11

Yes, with the T/O FLAP switch (located on pilot’s side console) selected from NORM to 0°.

Question 12

What conditions will activate the Landing Gear Warning horn? 3 sets of conditions. Which one can be silenced and How?

Answer 12

• If any landing gear is not down and locked
• Flaps selected between 15 and 35
• Power levers below 50% torque
• Auto-feather not selected

OR

• Any landing gear not down and locked
• both power levers at or near flight idle
• Airspeed below 130 knots

OR

• Any landing gear not down and locked
• One power lever at or near flight idle and other advanced
• Airspeed below 130 knots

3rd set of conditions can be muted with HORN mute switch next to Gear lever

Question 13

INCR REF SPEED indicators are not illuminated when:

Answer 13

• INCR REF SPEED switch is selected OFF and the PROPELLOR DE-ICE switch is OFF
• PROPELLOR DE-ICE is selected ON and the radio altimeter is indicating an altitude less than 400ft.

Question 14

INCR REF SPEED indicators are illuminated and flashing when:

Answer 14

• INCR REF SPEED switch is selected to OFF
• PROPELLER DE-ICE is selected ON
• Radio altimeter is valid and indicates an altitude greater than 400ft for more than 15 seconds

Question 15

INCR REF SPEED indicatros are illuminated but not flashing when:

Answer 15

INCR REF SPEED switch is selected to INCR REF SPEED

Question 16

What should you do if Alpha Vanes are stuck?

Answer 16

Apply heat to the vanes, do not apply external pressure

Question 17

When is stall warning not provided?

Answer 17

• When the aircraft is on the ground (except tests)
• Both #1 STALL SYST FAIL and #2 STALL SYST FAIL caution lights illuminate

Question 18

Conditions for stick pusher to be activated:

Answer 18

The No. 1 and No. 2 computer must both agree to push before the Stick Pusher can be activated AND:

• # 1 STALL SYST FAIL, #2 STALL SYST FAIL and PUSHER SYST FAIL caution lights are OFF
• Aircraft altitude is greater than 400ft AGL
• Airspeed is less than 200kt EAS + or - 4 kt
• Stick shakers have been activated by both systems

Question 19

Stick Pusher Shut Off switch light is illuminated if:

Answer 19

If excessive pressure accumulates within the actuator without a signal in the SW/SP computer

Question 20

Consequence of pushing the STICK PUSHER SHUT OFF switch light:

Answer 20

Depressurieses the actuator, illuminating the PUSHER SYST FAIL caution light.

Question 21

What is the PUSHER SYST FAIL caution light caused by?

Answer 21

The pusher system failing or loss of nitrogen pressure.

Question 22

Stall Warning Test is selected to TEST 1 or 2:

Answer 22

Must be held for 5 seconds for test to begin:

• Illuminates the #1 STALLSYST FAIL and PUSHER SYST FAIL caution lights
• No. 1 Stick Shaker activates
• FAST/SLOW indicator on the No. 1 ADI moves from FAST to SLOW
• Radio altimeter display on No. 1 ADI increases then scrolls downward to 0

Question 23

How can the overspeed horn be tested?

Answer 23

Select ADC test switch to TEST 1 or TEST 2.

Question 24

When will the Beta Warning Horn be activated? When is the Horn disabled?

Answer 24

Raising either Flight Idle Gate Release Trigger. Horn is disabled at Rad Alt. below 20ft or Weight on Wheels.