GPWS PANEL

Question 1

Pressing the SYS push button does what?

Answer 1

Inhibits all EGPWS warnings except TERR system

Question 2

What does an amber FAULT light in the SYS push button indicate on the GPWS panel?

Answer 2

Any failure of GPWS mode 1 through 5:

a. Mode 1 – Excessive descent rate “Sink Rate”
b. Mode 2 – Excessive terrain closure “Terrain, Terrain”
c. Mode 3 – Altitude loss after takeoff “Don’t Sink”
d. Mode 4 – Unsafe terrain clearance “Too Low Flaps”, “Too Low Gear”
e. Mode 5 – Excessive GS deviation “Glideslope”

Question 3

What does LDG FLAP 3 ON light indicate?

Answer 3

Mode 4 - “Too Low Flaps” inhibited for a Flap 3 landing

Question 4

When would you press the FLAP MODE push button?

Answer 4

To avoid nuisance warnings when landing with flaps less than 3

Question 5

If the TERR mode failed does it affect the basic GPWS?

Answer 5

No