Map Pages
3-33
TERRAIN ALERTING WARNING SYSTEM (TAWS)
The optional TAWS-B functionality does not require any external
equipment. For those aircraft equipped with TAWS-B, the
function is always running in the background and does not have a
dedicated display page. TAWS-B contains the following sub-
functions:
•
Forward Looking Terrain Alerting (FLTA) – includes
Reduced Required Terrain Clearance and Imminent
Terrain Impact alerts exactly as described above;
•
500’ Callout – exactly as described above;
•
Premature Descent Alert (PDA) – the PDA function uses the
aircraft’s current position and flight path information as
determined from the FMS/GPS and airport database to
determine if the airplane is hazardously below the normal
(typically 3 degree) approach path for the nearest
runway;
•
Excessive Rates of Descent (EDR) – this function is
designed to alert when excessive rates of descent are
being experienced during any phase of flight;
•
Negative Climb Rate (NCR) or Altitude Loss After
Takeoff/Go-Around – this function is designed to alert
when the aircraft develops a negative climb rate
immediately after takeoff or go-around or when an
altitude loss is detected in that phase.
The aural alerts for the TAWS functions are listed below
prioritized from highest to lowest:
Alert Function
Aural Alert
Excessive Rate of Descent
Warning
Sink Rate, Pull Up
FLTA Terrain Warning
Terrain, Pull-Up, Terrain, Pull-
Up
Or
Summary of Contents for IFD540
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Page 82: ...2 28 FMS Pages Approaches Dropdown Box Procedures Brackets ...
Page 91: ...2 37 FMS Pages Four Additional Rows of Weather Data on Info Tab Info Tab Nearby Navaids ...
Page 101: ...2 47 FMS Pages User Waypoint Airfield Depiction on Map ...
Page 154: ...3 50 Map Pages Curved Flight Path with Next Leg Depiction Fly By Waypoint Depiction 1 ...
Page 156: ...3 52 Map Pages Missed Approach Enabled in Map SVS View ...
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