GPWS Panel

Question 1

Pressing the SYS pushbutton does what?

Answer 1

Inhibits all EGPWS warnings except TERR system

Question 2

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

Answer 2

Any failure of GPWS mode 1 through 5:
Excessive descent rate “Sink Rate”
Excessive terrain closure “Terrain, Terrain”
Altitude loss after takeoff “Don’t Sink”
Unsafe terrain clearance “Too Low Flaps”, “Too Low Gear”
Excessive GS deviation “Glideslope”

Question 3

What does LDG FLAP 3 ON light indicate? In this case what will the landing memo display?

Answer 3

Too Low Flaps” inhibited for a Flap 3 landing

LDG MEMO displays “Flaps….3” instead of “CONF….FULL”

Question 4

When would you press the FLAP MODE pushbutton?

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