Lynx NGT-9000 - Section 3 Installation Checkout

Lynx
®
NGT-9000
Pilot’s Guide 2-65
Controls and Indicators
Table 2-8: Caution & Warning Alert Phrases*
ALERT
CONDITION
CAUTION
ALERT
PHRASES
Warning
Alert
Phrases
Reduced
Required Terrain Clearance (RTC)
(Figure 2-32)
or
Imminent Terrain Impact (ITI)
Figure 2-33)
“Caution, Terrain;
Caution, Terrain!”
Or
“Caution, Obstacle;
Caution, Obstacle!”
“Terrain, Terrain;
Pull Up, Pull Up!”
Or
“Obstacle, Obstacle;
Pull Up, Pull Up!”
“Terrain Ahead;
Terrain Ahead!”
Or
“Obstacle Ahead;
Obstacle Ahead!”
“Terrain Ahead,
Pull Up;
Terrain Ahead,
Pull Up!”
Or
“Obstacle, Obstacle;
Pull Up, Pull Up!”
Premature
Descent
(Figure 2-34)
“Too Low, Terrain!” None
Excessive
Descent Rate
(Figure 2-35)
“Sink Rate!” None
Negative
Climb Rate or
Altitude Loss After Takeoff
(Figure 2-36)
“Don’t sink!”
None
“Too low, terrain!”
* The primary or secondary phrase options are setup at installation.
Conditions to Trigger Alerts or Callouts
The TAWS function uses Forward Looking Terrain Avoidance (FLTA)
and Ground Proximity Warning System (GPWS) functionality to
determine when a terrain alert or altitude callout is triggered due
based on the following conditions:
• Reduced required terrain clearance (FLTA)
• Imminent terrain impact (FLTA)
• Premature descent
• Excessive descent rate (GPWS)
• Negative climb rate or altitude loss after takeoff (GPWS)
• Altitude of 500 ft (GPWS)