Terrain Awareness And Warning System (Taws-B) Optional; Taws-B Requirements; Taws-B Limitations - Garmin GTN 725 Pilot's Manual

11.3
Foreword
Getting
Started TAWS (Terrain Awareness and Warning System) is an optional feature to
increase situational awareness and aid in reducing controlled flight into terrain
Audio &
Xpdr Ctrl
(CFIT). TAWS provides visual and aural annunciations when terrain and
obstacles are within the given altitude threshold from the aircraft.
Com/Nav
TAWS satisfies TSO-C151b Class B requirements for certification. Class B
FPL
TAWS is required for all Part 91 turbine aircraft operations with six or more
passenger seats and for Part 135 turbine aircraft operations with six to nine
Direct-To
passenger seats (FAR Parts 91.223, 135.154).
11.3.1
Proc
TAWS requires the following to operate properly:
Charts
• A valid terrain/obstacle database
Wpt Info
• A valid 3-D GPS position solution
11.3.2
Map
NOTE: The data contained in the TAWS databases comes from government
Traffic
agencies. Garmin accurately processes and cross-validates the data but
cannot guarantee the accuracy and completeness of the data.
Terrain
TAWS displays terrain and obstructions relative to the altitude of the aircraft.
Weather
Compliance with TAWS B alerts and warnings is MANDATORY. When a TAWS
B "pull up" annunciation is issued, the pilot is required to pull up.
Nearest
TAWS uses terrain and obstacle information supplied by government sources.
Services/
Terrain information is based on terrain elevation information in a database that
Music
may contain inaccuracies. Individual obstructions may be shown if available in
Utilities
the database. The data undergoes verification by Garmin to confirm accuracy of
the content, per TSO-C151b.
System
Messages
Symbols
Appendix
11-6
Index
Terrain Awareness and Warning System
(TAWS-B) Optional

TAWS-B Requirements

TAWS-B Limitations

Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. D