Garmin GTN 650 Pilot's Guide - Page 197

10.3.8.5 Negative Climb Rate After Take-Off Alert (NCR) Foreword The Negative Climb Rate (NCR) After Take-Off alert (also referred to as "Altitude Loss After Take-Off") provides alerts when the system determines the Getting Started aircraft is losing altitude (closing upon terrain) after takeoff. The aural message "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 from an airport and when the following conditions are met: Com/Nav • 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-C151b are shown below. Proc (EIGHT!BOVE4ERRAIN&EET (EIGHT!BOVE4ERRAIN&EET     h$/.43).+v          !LTITUDE,OSS&EET         h$/.43).+v            3INK2ATE&EET0ER-INUTE Figure 10-14 Negative Climb Rate (NCR) Alert Criteria Wpt Info Map Traffic Terrain Weather Nearest Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. B Garmin GTN 625/635/650 Pilot's Guide 10-17