15 - Warning Systems

Question 1

What will cause a Takeoff config warning?

Answer 1

6 Items

• Stab trim not green
• TE flaps not 1-25, or skew/assymetry/uncommanded motion
• LE flaps not extended, or uncommanded motion
• Speedbrake lever not down
• Spoilers not down
• Parking brake is set

Question 2

When will the landing gear horn sound with 30 degrees of flaps?

Answer 2

Always, and cannot be cut out (>25 degrees)

Question 3

Will a single fault in a redundant system usually trigger the master caution?

Answer 3

No, but the “recall” function will

Question 4

When will the landing gear horn sound with flaps 1-10

Answer 4

Below 800’ RA, with the thrust levers reduced (below 20 degrees)

Question 5

In a climb to selected altitude, when does the altitude alerter sound.
What are the visual indications?

Answer 5

900 feet before

White box around selected altitude, current altitude box turns bold

Question 6

When deviating from selected altitude, when does the altitude alerter sound. What are the visual indications

Answer 6

Deviating more than 300 feet, amber current altitude until >900, returning below 300 feet, or selecting a new altitude

Question 7

Can the PSEU light illuminate in flight?

Answer 7

No, not for most airplanes in the fleet

Question 8

What system discovers the predictive windshear warnings

Answer 8

Weather RADAR

Question 9

On the terrain display, what do the following indications mean?

• Solid RED
• Solid AMBER
• Dotted RED
• Dotted AMBER
• Dotted GREEN
• Black
• Dotted magenta

Answer 9

• Solid RED: look-ahead terrain warning active
• Solid AMBER: look-ahead terrain caution active
• Dotted RED: terrain mor than 2,000 feet above airplane’s current altitude
• Dotted AMBER: 500(250 gear down) below to 2,000 fet above
• Dotted green: 2,000 feet below to 500 (250 gear down) below aircraft
• black: no significant terrain
• magenta: no terrain data available

Question 10

When can you do the following tests:

• High speed (clacker)
• Low speed (shaker)
• GPWS (aurals etc)

Answer 10

All only on the ground

Question 11

How do you cancel a below GS alert under 1,000 feet RA

Answer 11

Press the illuminated switch

Question 12

When is predictive windshear available

Answer 12

Below 1,200’ RA

Question 13

Look-ahead alert system for terrain will show for terrain within what altitude

Answer 13

2,000 feet

Question 14

The fire warning activates under which conditions?

Answer 14

Fire warning in:

• Engines
• APU
• Wheel Well
• Cargo

Question 15

Which errors will usually only illuminate during a recall?

Answer 15

Single channel faults in a redundant system

Question 16

What does the INOP light on the GPWS panel signify

Answer 16

GPWS computer malfunction, power loss, or invalid inputs from connected systems (RA, ADIRU etc)

Question 17

What does the TERR INHIBIT switch do?

Answer 17

Disables look-ahead features and display

Question 18

What does the cyan TERR indication on the DU mean

Answer 18

Terrain display is enabled, either automatically or manually

Question 19

What does green lights in the flight deck usually signify

Answer 19

A fully extended condition. Either by landing gear or LE devices

Question 20

What are the purpose of master caution lights

Answer 20

To alert the crew of something outside the normal field of vision

Question 21

When is altitude alerting inhibited

Answer 21

When flaps are 25 or more, or a glideslope is captured

Question 22

Look-ahead terrain is based on barometric or radar altitude

Answer 22

barometric

Question 23

Look ahead/obstacle terrain cautions are approximately how far from the plane?

Answer 23

40-60 seconds

Question 24

Look-ahead/obstacle terrain warnings are approximately how far away from the plane

Answer 24

20-30 seconds

Question 25

When are windshear warnings (not predictive) enabled?

Answer 25

below 1,500 feet RA (at take-off starts at rotation)

Question 26

How can you enable predictive windshear prior to setting take-off thrust?

Answer 26

Pressing the WXR button

Question 27

When are predictive windshear cautions and warnings inhibited

Answer 27

Cautions: between 80kts and 400’
Warnings: between 100kts and 50 feet

Question 28

When will you first get a bank angle aural alert

Answer 28

Bank more than 35 degrees

Question 29

Proximate traffic is how far from the plane

Answer 29

1,200’ and/or 6 miles

Question 30

When are INCREASE DESCENT commands inhibited

Answer 30

RA

Question 31

When are DESCEND commands inhibited

Answer 31

RA

Question 32

When are all RAs inhibited

Answer 32

RA

Question 33

When are all TCAS alerts inhibited

Answer 33

RA

Question 34

When must you change the tail skid cartridge

Answer 34

When it shows only red