Negative Climb Rate After Take-Off Alert (Ncr) - Garmin GTN 625 Pilot's Manual

10.6.3.8
Foreword
The Negative Climb Rate (NCR) After Take-Off alert (also referred to as
Getting
"Altitude Loss After Take-Off") provides alerts when the system determines the
Started
aircraft is losing altitude (closing upon terrain) after takeoff. The aural message
Audio &
"Don't Sink" is given for NCR alerts, accompanied by an annunciation and a
Xpdr Ctrl
pop-up terrain alert on the display. NCR alerting is only active when departing
Com/Nav
from an airport and when the following conditions are met:
• Height above the terrain is less than 700 feet
FPL
• Distance from the departure airport is 2 NM or less
Direct-To
• Heading change from the departure heading is less than 110º
The NCR alerting parameters as defined by TSO-C151c are shown below.
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
10-56

Negative Climb Rate After Take-Off Alert (NCR)

Figure 10-42 Negative Climb Rate (NCR) Altitude Loss
Garmin GTN 625/635/650 Pilot's Guide
"DON'T SINK"
"TOO LOW, TERRAIN"
Altitude Loss (Feet)
or
190-01004-03 Rev. K