Warning Systems

Question 1

Priority of EICAS messages

Answer 1

• Warning Messages (Red) - can not be cancelled
• Caution Messages (Amber) - can be cancelled or recalled
• Advisory Messages (Amber; indented one space) - can be cancelled or recalled
• Memo Messages (white) - can not be cancelled

Question 2

When does Terrain automatically display?

Answer 2

• a look–ahead terrain alert occurs, and
• TERR not selected on either ND, and
• respective ND is in MAP, MAP CTR, VOR, or APP mode

Question 3

How many EFIS/EICAS Interface units (EIUs)

Answer 3

• 3 x EIUs (L, C, R)
• all received information from airplane systems
• only 1 provides information to EICAS displays

Question 4

Meaning of caret (>) ahead of alert message

Answer 4

• Respective alert message has no procedural steps
• Action is Obvious
• informational

Question 5

Takeoff CONFIG Warning

Answer 5

• flaps not set for Takeoff
• Main Body Gear not centers
• parking break set
• speedbreak lever not DN
• stab trim not set for takeoff

Question 6

CONFIG GEAR warning

Answer 6

Any gear not down and locked, and:

• and thrust lever idle below 800 RA, or
• flaps 25 or greater

Question 7

CONFIG SPOILERS

Answer 7

• speedbreak lever beyond ARM position

- thrust at climb or greater for more that 3 sec

Question 8

When is Predictive Windshear Alerting enabled

Answer 8

On Ground/Takeoff:

• selecting WX Radar switch on EFIS control panel; or
• thrust levers 2 or 3 set for takeoff

In Flight w/ WX Radar switch pushed or not pushed:

• radar scans for windshear below 2300 RA
• PWS alerts below 1200 RA

Question 9

PWS Alert Area (warnings)

Answer 9

Ground: 1/2 mile wide, 3 miles aead

In Flight: 1/2 mile wide, 1.5 miles ahead

Question 10

When are immediate windshear alerts enabled?

Answer 10

• Active after rotation

- enabled below 1500’ RA

Question 11

Caution and Warning/Fire Bell Inhibition

Answer 11

Caution: 80 knts ——> Vr + 20 or 400 AGL

Warning and Fire Bell: V1 ——> V1 + 25 or 400 AGL

Question 12

Master Caution and Beeper inhibition

Answer 12

80 knts ——> 400’ RA or 20 secs after rotation

Question 13

PWS caution alert inhibition

Answer 13

Takeoff: 80 knts ——> 400 RA
Landing: 400’ ——> 80 knots

Question 14

PWS warning alert inhibition

Answer 14

Takeoff: 100 knts ——> 50’ RA
Landing: 50’ RA ——> 100 knts

Question 15

Approximate timer from conflict aircraft when TCAS RA or TA is triggered

Answer 15

RA - 20 to 30 seconds

TA - 25 to 45 seconds

Question 16

Time to I pack with Red PULL UP is displayed on PFDs (“TERRAIN, TERRAIN, PULL UP”)

Answer 16

20 to 30 secs from impact

Question 17

Time to impact when Amber TERRAIN message on both NDs (“CAUTION TERRAIN”)

Answer 17

40 - 60 seconds from projected impact

Question 18

“GO AROUND, WINDSHEAR AHEAD”

Answer 18

• windshear predicted within 1.5 miles and directly ahead

- below 1,200’ RA

Question 19

“WINDSHEAR, WINDSHEAR, WINDSHEAR”

Answer 19

• Immediate Windshear detected by GPWS

- enabled below 1,500 RA