Warning Systems

Question 1

How can you silence an overspeed warning?

Answer 1

• Reduce airspeed below Vmo/Mmo

- By pushing the MASTER WARNING/CAUTION reset switch

Question 2

What conditions will activate the landing gear configuration warning?

Answer 2

The airplane is in flight and any landing gear is not down and locked, and either of the following exists:

• Flaps in a landing position-25 or 30, cannot be silenced
• Any thrust lever at idle with RA below 800ft

Question 3

What conditions will cause a takeoff configuration Master Warning with Aural siren?

Answer 3

Either throttle pushed to the TO range on the ground with:

• Flaps not in takeoff position
• Parking brake set
• Speedbrake lever not down
• Stabilizer trim not in the green band

Question 4

When is the stall warning system functional?

Answer 4

During all phases of flight.

Question 5

What does the pitch limit indicator (PLI) indicate?

Answer 5

The pitch limit at which stick shaker activation will occur.

Question 6

Where is TCAS target symbology displayed?

Answer 6

• On the VSI, if selected

- On the radar display, if selected

Question 7

Where is TCAS RA guidance displayed?

Answer 7

• On the periphery of the VSI
• An aural voice sounds
• TCAS RA symbology (red square) appears on the TA/VSI

Question 8

What symbol and color represents a traffic advisory (TA)?

Answer 8

A filled amber circie

Question 9

What symbol and color represents a resolution advisory (RA)?

Answer 9

A filled red square

Question 10

What is the purpose of GPWS?

Answer 10

To provide alerts for potentially hazardous flight conditions involving imminent impact with the ground.

Question 11

What prompts the GPWS alert SINK RATE?

Answer 11

Excessive descent rate.

Question 12

What prompts the GPWS alert TERRAIN?

Answer 12

Excessive terrain closure rate.

Question 13

What prompts the GPWS alert DON’T SINK?

Answer 13

Altitude loss after takeoff or go-around.

Question 14

What prompts the GPWS alert TOO LOW GEAR or TOO LOW FLAPS?

Answer 14

Unsafe altitude while not in the landing configuration.

Question 15

What prompts the GPWS alert GLIDESLOPE?

Answer 15

Descent below glideslope.

Question 16

What prompts the GPWS alert MINIMUMS?

Answer 16

Descent below Decision Height.

Question 17

What prompts the red EGPWS warning TERRAIN?

Answer 17

20-30 seconds from projected impact with terrain.

Question 18

What prompts the amber EGPWS CAUTION TERRAIN?

Answer 18

40-60 seconds from projected impact with terrain.

Question 19

During takeoff or approach, when are the Predictive Windshear (PWS) caution and warning alerts available?

Answer 19

Automatically enabled:

• On the ground and the thrust levers are set for takeoff
• In flight below 2300’ AGL (system enabled, but alerts cannot be received until below 1200’ AGL)

Question 20

When are Reactive Windshear (RWS) alerts available?

Answer 20

At rotation below 1500’ RA

Question 21

On the terrain alerting display, what do the different colors displayed by the EGPWS mean?

Answer 21

Red and amber represent terrain conflicts if flight continues toward the terrain. Solid red is an imminent threat. Known as “look ahead” conflicts.

Question 22

How do you display terrain information on the HSI?

Answer 22

Select TERR on the EFIS control panel and verify blue TERR on the HSI or the white TERR discrete light (as installed). Available in MAP, EXP VOR, and ILS/APP modes.

Question 23

Although EICAS and indicator lights are not inhibited, when is the master caution aural alert inhibited?

Answer 23

Caution inhibit begins at 80kts and continues until the first of 400’ AGL or 20 seconds elapsed following nose gear extension. Also inhibited with both engines shut down (minimize noise at the gate).

Question 24

Although EICAS and indicator lights are not inhibited, when is the master warning aural alert inhibited?

Answer 24

Warning inhibit begins at nose gear extension during rotation and continues until the first of 400’ AGL or 20 seconds elapsed following nose gear extension.

Question 25

How are warnings, cautions, and advisories displayed as EICAS indications?

Answer 25

Warnings- red, top of the EICAS display
Cautions- amber, displayed below warnings
Advisories- amber, below cautions, indented to the right

Question 26

What are EICAS status messages and how do you see them?

Answer 26

System faults affecting dispatch, not crew alerts. A blue STATUS que on the top left corner of the lower EICAS screen means status messages which haven’t been viewed are on the status page. They may be viewed by selecting the display status switch.

Question 27

Can you erase EICAS status messages?

Answer 27

On the ground prior to dispatch, yes, with no logbook entry required. If they cannot be erased, they must be addressed.

Question 28

What is the function of the EICAS Caution Cancel button?

Answer 28

Displays the next page of EICAS messages when additional pages exist, and cancels caution and advisory messages when the last page is displayed.

Warning and communication messages remain.

Question 29

What is the function of the EICAS Recall switch?

Answer 29

Displays previously cancelled EICAS messages if the conditions still exist.

Displays the first page of messages when multiple pages exist.

Question 30

What does the GND PROX G/S INHB switch do?

Answer 30

Inhibits the ground proximity glide slope caution when below 1,000ft RA.

Question 31

What does the GND PROX FLAP OVRD switch do?

Answer 31

Inhibits the ground proximity TOO LOW FLAPS and TOO LOW TERRAIN cautions.
Note: Only inhibits the alert when the alert is due to flaps not in the landing position.

Question 32

What does the GND PROX/CONFIG GEAR OVRD switch do?

Answer 32

Inhibits the ground proximity TOO LOW GEAR and TOO LOW TERRAIN cautions, inhibits the landing config warning siren.
Note: Only inhibits the alert when the alert is due to the gear not being down.

Question 33

What does the EGPWS OVRD/ TERR OVRD switch do (as installed)?

Answer 33

Inhibits look-ahead terrain alerts and displays.

Question 34

What does an amber illuminated ALT ALERT light on the center forward panel indicate?

Answer 34

Between 250-300 and 750-900ft deviation from selected altitude, depending on ship number.

(Alert sounds from 250’ off altitude until 750’ off, or 300’ off until 900’ off)