7.8
TAWS-B
FUNCTIONAL REQUIREMENTS
•
Valid 3-D GPS position
•
TAWS-B feature enablement
•
External annunciator for displaying alert information (non-PFD GDUs only)
TAWS-B Features
•
Optional TSO C151c Class B terrain alerting system
•
All Terrain-FLTA functions plus: premature descent, excessive descent rate,
negative climb rate, and altitude voice callout (500 ft) alerts
7.8.1
TAWS-B Alerts
ANNUNCIATION
PULL UP
190-01717-10 Rev. H
ALERT TYPE, POP-UP, CONDITIONS,
Alert Type:
Warning
Pop-up Alert: Yes
Condition
Reduced Required Terrain
Clearance
Imminent Terrain
Impact
Reduced Obstacle
Clearance
Imminent Obstacle Impact
Reduced Line
Clearance
Imminent Line Impact
Excessive Descent Rate
Pilot's Guide
& VOICE MESSAGE
Voice Message
"Terrain, Terrain;
Pull Up, Pull Up"
Or
"Terrain Ahead, Pull Up;
Terrain Ahead, Pull Up"
"Obstacle, Obstacle;
Pull Up, Pull Up"
Or
"Obstacle Ahead, Pull Up;
Obstacle Ahead, Pull Up"
"Wire Ahead, Pull Up;
Wire Ahead, Pull Up"
Or
"Wire, Wire;
Pull Up, Pull Up"
"Pull Up"
Terrain Awareness
7-23