NAVIGATION SYSTEM

Question 1

TAWS ALERT MODES

Answer 1

The Terrain Awareness Warning System provides visual and aural alerts in case of dangerous flight path conditions which would result inadvertent ground contact if maintained.
The TAWS performs the following alert modes:

– Reactive warning modes

• Mode 1: excessive descent rate
• Mode 2: excessive terrain closure rate
• Mode 3: altitude loss after take-off
• Mode 4: unsafe terrain clearance
• Mode 5: below glideslope
• Mode 6: altitude callouts

– Predictive warning modes:

• Terrain Caution and Warning
• Obstacle Caution and Warning

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

Answer 7

Question 8

TERRAIN CLEARANCE FLOOR (TCF)

Answer 8

The Terrain Clearance Floor (TCF) mode creates an increasing terrain clearance envelope around the airport runway directly related to the distance from the runway.

Question 9

TERRAIN AND OBSTACLE AWARENESS

Answer 9

This function use the aircraft geographic position from the GPS, aircraft altitude and a worldwide terrain database to predict potential conflict between the aircraft flight path and the terrain, and to provide aural alert and graphic displays of the conflicting terrain.

Question 10

Answer 10