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CPL Test Series
Question Bank
Questions for GROUND PROXIMITY WARNING SYSTEM (GPWS) -EGPWS
Answer the following questions
Test Mode
Training Mode
1. The GPWS the alert/warning information is provided by a radio altimeter with
a downward transmitting beam whose dimensions are in the order of 30 and 60 in the fore/aft and the athwartship axes.
a forward transmitting beam
a downwards transmitting radio beam
a downward transmitting beam whose dimensions are in the order of 60 and 30 in the fore/aft and the athwartship axes.
2. GPWS, mode two operates between:
50ft and 700ft agl
50ft and 2450ft agl
50ft and 1800ft agl
50ft and 500ft agl
3. GPWS Mode One gives warning of
height loss after take-off/missed approach.
unsafe terrain clearance when not in the landing configuration
excessive terrain closure rate.
excessive descent rate.
4. GPWS, Mode Three gives warning of
excessive terrain closure rate.
height loss after take-off/missed approach.
excessive descent rate
unsafe terrain clearance when not in the landing configuration
5. With reference to GPWS Mode 4. At or below what radio altimeter altitude is mode 4 activated if not in the landing configuration?
200 ft
500 ft
790 ft
700 ft
6. Mode 4 gives warning of
excessive terrain closure rate.
excessive descent rate.
unsafe terrain clearance when not in the landing configuration.
height loss after take-off/missed approach.
7. The GPWS would provide visual and audible warning to a pilot if the aircraft descended
to below 500' radio altitude with flaps not in the landing position and speed below Mach.35
to below 200' barometric altitude with flap not in the landing position and speed below Mach.28
to below 500' radio altitude with flaps not in the landing position and speed below Mach.28
to below 200' radio altitude with flap not in the landing position and speed below Mach.28.
8. GPWS mode 3 will operate if altitude loss occurred before you have acquired
700 ft barometric altitude gain.
700 ft terrain clearance.
200 ft barometric altitude gain.
500 ft terrain clearance.
9. An aircraft ‘goes around' after descending to a radio altitude of 190ft. As power is applied a power unit fails and some height is lost. The GPWS would provide an alert when the aircraft had lost about
100ft
20ft
50ft
10ft
10. The GPWS uses inputs from
the radio altimeter, the Air Data Computers, the Captain's ILS receiver, the landing gear position indicators and the flap position indicators.
the radio altimeter, the ILS receiver, the Air Data Computers and the landing gear position indicators.
the radio altimeter, the Air Data Computers, the landing gear position indicators and the flap position indicators.
the radio altimeter and the ILS receiver.
11. An aircraft ‘goes around' after descending to a radio alt of 190 feet. As power is applied a power unit is lost and some height is lost. The GPWS would provide an alert when the aircraft had lost about
20 feet
10 feet
50 feet
100 feet
12. The Ground Proximity Warning mode 4a provides a visual and audible warning ‘Too Low Gear' to the pilot if the aircraft descends below ____________ with landing gear retracted
200 feet radio altitude with speed below M 0.28.
500 feet radio altitude with speed below M 0.35.
500 feet barometric altitude with speed below M 0.35.
200 feet radio altitude with speed below M 0.28.
13. With reference to GPWS
Mode 4A activates when the aircraft descends below 500ft barometric altitude at a speed less than .28Mach with the landing gear retracted.
Mode 6 re-arms when the aircraft leaves the hard alerting area.
In all six modes the audible alerts and warnings are accompanied by the red flashing PULL-UP' light.
Mode 4A activates when the aircraft descends below 500ft radio altitude at a speed less than .35Mach with the landing gear retracted.
14. The Ground Proximity Warning mode 5 provides a visual and audible warning to the pilot if the aircraft
descend below 200ft radio altitude with flaps retracted
sinks more than approximately 10% of accumulated altitude.
descends below 500ft radio altitude with gear retracted.
is below 1000ft radio altitude and more than 1.3 dots below the ILS glidepath.
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