GPWS panel Flashcards
What does pressing the SYS pushbutton do?
All basic GPWS alerts (mode 1 to 5) are inhibited
What does an amber FAULT light in the SYS pushbutton indicate on the GPWS panel?
Any failure of the GPWS mode 1 through 5
What effect, if any, does an amber FAULT light in the SYS pushbutton have on the TERRAIN mode?
no effect at all
Describe a situation when a pilot might press LDG FLAP 3
- to avoid nuisance warning in case of landing in CONF 3
- in this case, LDG MEMO displays FLAPS…..3 instead of CONF FULL
Describe a situation when a pilot might press the FLAP MODE pushbutton
- to avoid nuisance warning in case of landing with flaps setting reduced
- FLAP SYS 1(2) FAULT would require selection of FLAP MODE off
What effect, if any, does the failure of TERR mode have on basic GPWS?
no effect whatsoever
What are the modes of the SYS? (5)
- Rate of Descent
- Altitude loss after takoff/go-around
- Too far below glideslope
- Terrain Closure Rate
- Unsafe terrain clearance when not in landing configuration
When does the GPWS activate?
From 30 ft to 2450 ft