15 Warning Systems

Question 1

What does it mean if an EICAS message has a white icon next to it?

Answer 1

A checklist exists for that message.

Question 2

If the STATUS cue appears on the EICAS display, what does it mean?

Answer 2

A new Status message exists.

Question 3

How is the STATUS cue removed?

Answer 3

Selecting the Status display.

Question 4

a. What does PG1 at the bottom of the EICAS message list indicate?
b. How can page 2 of the alert messages be reviewed?
c. What action is required to view page 1 of the alert messages again?

Answer 4

a. There is more than one page of messages.
b. By pressing the CNL/RCL switch.
c. Press the CANCEL/RCL switch after all messages have been viewed.

Question 5

How many EICAS events can be recorded into the system memory?

Answer 5

Five



Question 6

On the ground before engine start, which system page will display by default if the SYS switch is pushed?

Answer 6

The Status (STAT) display.

Question 7

a. When do system menu buttons change to amber?

b. What do the crew do if multiple system EICAS messages are displayed?

Answer 7

a. Whenever an EICAS caution message associated with a synoptic is triggered.
b. The flight crew selects the desired system synoptic from the system menu page.

Question 8

a. What is the purpose of the Aural Cancel Switch?

b. When does the Aural Cancel Switch function reset itself

Answer 8

a. Enables the flight crew to cancel any active false or nuisance aural alerts.
b.
• The condition that caused the aural alert is no longer active, or
• On the ground and both engines are shut down, or
• Airplane power is cycled off and then on.

Question 9

a. What situation does a Time Critical Warning indicate?

b. How is it announced?

Answer 9

a. Alerts the crew of a non-normal operational condition requiring immediate crew awareness and corrective action to maintain safe flight.
b. Master warning lights, voice alerts, and PFD and HUD indications or stick shakers

Question 10

List the types of alert messages available on the EICAS display.

Answer 10

Warning, Caution, Advisory, Communication alerts, Memo messages and STATUS messages.

Question 11

How can you discriminate between the difference message types?

Answer 11

• Warning - RED & aural
• Caution - AMBER & aural
• Advisory – AMBER, indented.
• Memo - white and
• Status - white.
• Communication - white (low indented).

Question 12

Which types of EICAS message will the CANC/RCL switch remove?

Answer 12

Cautions and Advisories.

Question 13

Where does the most recent message appear in its respective group?

Answer 13

At the top of the list, (except Memo when it appears).

Question 14

Which Master light and sound accompanies the following?

a. Advisory message.
b. Cautionmessage.
c. Take-Off Configuration Warning.

Answer 14

a. None.
b. Caution and beeper.
c. Warning and siren.

Question 15

How can the master Warning and Caution lights be extinguished?

Answer 15

Pressing the Master Warning/Caution reset switch (light).

Question 16

What form does the stall warning take?

Answer 16

Stick shakers.

Question 17

a. What is the purpose of the TAMS (Thrust Asymmetry Minimum Speed)
indication on the speed tape?
b. What does the value of the TAMS depend on?
c. What will it always be above though?

Answer 17

a. It provides pilots with situational awareness of the minimum control speed for operation with a large thrust asymmetry.
b. Aircraft weight and CG.
c. 10kts above minimum control airspeed on takeoff or go-around.

Question 18

What are the indications of aircraft OVERSPEED?

Answer 18

Master Warning lights, siren, EICAS OVERSPEED message.

Question 19

When is the takeoff configuration warning function armed?

Answer 19

• airplane is on the ground, and
• FUEL CONTROL switches are in RUN position, and
• either engine thrust is in take off range, and
• thrust reversers are not unlocked or deployed, and
• airspeed is less than V1

Question 20

List the conditions that trigger a takeoff configuration warning?

Answer 20

• Cargo and/or passenger doors are not secured and locked.
• Leading edge and/or trailing edge flaps are not intake off position.
• Parking brake is set.
• Rudder Trim not centered.
• Speedbrake lever is not DOWN.
• Stabilizer not within the green band

Question 21

In the event of a take-off warning, does selecting idle thrust silence the siren?

Answer 21

Yes.

Question 22

Which conditions will trigger a CONFIG GEAR Warning message during approach?

Answer 22

Gear not down, with either the flap lever in a landing position or any thrust lever at idle below 800’ RA.

Question 23

a. Which elements of the CONFIG GEAR warning can be cancelled, and
how?
b. When can the warning not be cancelled using this method?
c. How would it be cancelled instead?

Answer 23

a. The Master Warning lights and siren can be cancelled by pushing a Master WARNING/CAUTION reset switch.
b. When the flap lever is in a landing position.
c. The landing gear is down and locked or GEAR OVRD is selected to
OVRD on the GPWS page of the TCP

Question 24

In flight, what conditions would trigger a caution alert SPEEDBRAKE EXTENDED?

Answer 24

The speedbrake lever is extended beyond ARMED with airplane radio altitude 15 feet or greater, and one or more of the following conditions:
• radio altitude is 800 feet or less, or
• FLAP lever in landing position, or
• thrust lever angle 5 degrees or more above idle stop for 15 seconds.

Question 25

a. What would cause the SPEEDBRAKE warning alert to appear? b. Apart from the EICAS alert, what other indications are there?

Answer 25

a. • the airplane is on the ground, and • both thrust levers not in the takeoff thrust position, and • the ground speed exceeds 85 knots, and • the speed brake lever position is less than 35 degrees, and • all the above occur together for 1 second b. The warning is displayed on both PFDs and both HUDs and is accompanied by a Master WARNING light and aural SPEEDBRAKE, SPEEDBRAKE.

Question 26

When approaching the MCP altitude, when does a highlighted box display around the selected and current altitude?

Answer 26

Between 900ft and 200ft of the MCP altitude

Question 27

When does the EICAS caution ALTITUDE ALERT and amber highlight box around the current altitude appear?

Answer 27

When departing the selected altitude by 200 feet.

Question 28

When are the MCP selected altitude alerts inhibited?

Answer 28

* glideslopecaptured,or | * landingflapsselectedandlandinggeardownandlocked

Question 29

a. What are the 4 basic categories of TCAS traffic displayed on the ND? b. How is each category pictorially represented? c. The TCAS traffic symbols are shown on which displays? d. Will the caption 'TRAFFIC' appear in all ND modes?

Answer 29

``` a. • Resolution Advisory (RA) • Traffic Advisory (TA) • Proximate Traffic (within 6nm/1200ft vertically). • Other Traffic. b. • RA Filled Red Square. • TA Filled Amber Circle. • Proximate traffic Filled white diamond. • Other traffic Unfilled white diamond. c. PFD mini-map and the NDs when in MAP or MAP CTR modes. d. Yes. ```

Question 30

a. What does a traffic symbol without a data tag (no number) indicate? b. What does an upward pointing arrow against a traffic symbol mean?

Answer 30

a. The altitude of the traffic is unknown. | b. The traffic is climbing at more than 500 fpm.

Question 31

a. At what range around the aircraft symbol does the TCAS arc appear on the ND? b. Is the arc displayed on all ND MAP ranges? c. Is the arc displayed with TCAS OFF?

Answer 31

a. 3 miles. b. No, only for ranges less than 80nm c. No.

Question 32

a. Which TCAS traffic category generates vertical guidance on the PFD/HUD? b. Which categories generate voice aural alerts?

Answer 32

a. RA only. | b. RA and TA only.

Question 33

a. What caption(s) appears on the ND/mini-map if the TFC switch is pushed but TA/RA has not been selected on the transponder? b. What caption(s) appears on the ND/mini-map if the transponder has been selected to TA only?

Answer 33

a. TCAS OFF in amber. b. TA only in cyan

Question 34

a. Describe how to select the Ground Proximity Flap Override to Override. b. What is displayed after the selection? c. What is inhibited? d. When is the override reset?

Answer 34

a. Via the GPWS page in the TCP, toggle FLAP OVRD from NORM to OVRD. b. EICAS advisory message GPWS FLAP OVRD is displayed. c. The TOO LOW FLAPS alert. d. Automatically after landing 10 minutes after a cabin door is opened.

Question 35

a. Where is the Ground Proximity Glideslope Inhibit (G/S INHIBIT) switch located? b. If the switch were pushed after illuminating, when would the GLIDESOPE alert be inhibited?

Answer 35

a. The Alerting and Transponder Control Panel (ATP). b. Below 1,000ft radio altitude.

Question 36

If the ATP were unserviceable, how could the Ground Proximity Glideslope Inhibit function be operated?

Answer 36

Via the MENU page of the TCP, selecting the ALERT/XPDR prompt.

Question 37

How is the GPWS Look-Ahead Terrain Alerting Display activated and where will it display?

Answer 37

* The EFIS panel Terrain (TERR) Map switch selects the display on the PFD mini-map and the NDs when in MAP or MAP CTR modes. * The TERR map menu selection on the navigation display selects the display on the NDs only.

Question 38

a. When selected on, what terrain data does the VSD display? | b. Does the VSD depict the terrain in the same colours as the lateral maps?

Answer 38

a. The highest terrain within the en-route corridor. b. Yes.

Question 39

What aircraft data are the GPWS immediate alerts based on?

Answer 39

Radio altitude, barometric altitude, ADRS, glideslope deviation, and airplane configuration. 

Question 40

GPWS immediate alerts provide warnings for what situations?

Answer 40

* altitude loss after takeoff or go-around, or * excessive and severe descent rate, or * excessive terrain closing rate,or * unsafe terrain clearance when nor in the landing configuration, or • excessive deviation below ILS glideslope, or * windshear

Question 41

a. Can terrain data and weather radar be simultaneously displayed on an ND or mini-map? b. How could a pilot display terrain and weather on ‘their side’ of the cockpit?

Answer 41

a. No. | b. For example, by selecting weather on the ND and terrain on the mini-map.

Question 42

Under what conditions would the voice alert BANK ANGLE sound?

Answer 42

* When bank angle exceeds 35°, 40° and 45°. | * At low altitudes during take off and landing for bank angles as small as 10°.

Question 43

When are windshear alerts enabled?

Answer 43

Takeoff, approach and landing.

Question 44

When would the GPWS provide an immediate windshear alert?

Answer 44

When an excessive downdraft or tailwind is occurring.

Question 45

When would the PWS provide windshear alerts?

Answer 45

When an excessive windshear condition is detected ahead of the airplane.

Question 46

The firebell and Master Warning lights are inhibited during a portion of the take-off. When does the inhibit begin and cease?

Answer 46

V1 until 400ft or 25 seconds after V1, whichever first.

Question 47

The beeper and Master Caution lights are inhibited during a portion of the take-off.` When does the inhibit begin and cease?

Answer 47

80kts until 400ft or 20 seconds after lift off, whichever first.

Question 48

When else are the Master Caution lights and beeper inhibited on the ground? 15.WARNING

Answer 48

When both FUEL CONTROL switches in CUTOFF.