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10-31
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Terrain
10.6.6.5 Inhibiting/Enabling TAWS-B PDA/FLTA Alerting
TAWS also has an inhibit mode that deactivates the PDA/FLTA aural and
visual alerts. Pilots should use discretion when inhibiting TAWS and always
remember to enable the system when appropriate. Only the PDA and FLTA
alerts are disabled in the inhibit mode. After cycling power, TAWS will no longer
be inhibited.
TAWS Inhibited
Annunciation
TAWS Alerts
Inhibited
Figure 10-21 TAWS-B Alerting Disabled (TAWS Inhibited) Annunciation
1. While viewing the Terrain page, touch the
Menu
key.
2. Touch the
TAWS Inhibit
key to inhibit or enable TAWS (choice
dependent on current state). A green bar in the key indicates
the TAWS is inhibited.
10.6.6.6 Negative Climb Rate After Take-Off Alert (NCR)
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
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
pop-up terrain alert on the display. NCR alerting is only active when departing
from an airport and when the following conditions are met:
• Height above the terrain is less than 700 feet
• Distance from the departure airport is 2 NM or less
• Heading change from the departure heading is less than 110º
The NCR alerting parameters as defined by TSO-C151c are shown below.
Содержание GTN 625
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