Garmin HTAWS User Guide - Page 37
Part Three, TAWS Interface - taws database
View all Garmin HTAWS manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 37 highlights
Part Three: Section 1 TAWS Introduction Part Three: TAWS Interface Section 1: Introduction NOTE: Either the TERRAIN, TAWS (500W-series only), HTAWS, or Terrain Proximity functionality will be available via the Terrain page, depending on the installed hardware and configuration. Overview Garmin's Terrain Awareness Warning System (TAWS) is an optional feature (500W-series only) to increase situational awareness and aid in reducing controlled flight into terrain. Garmin TAWS satisfies TSO-C151b Class B requirements for certification. Class B TAWS is required for all Part 91 aircraft operations with six or more passenger seats and for Part 135 turbine aircraft operations with six to nine passenger seats (FAR Parts 91.223, 135.154). TAWS provides visual and aural annunciations when terrain and obstacles are within the given altitude threshold from the aircraft. Garmin TAWS satisfies TSO-C151b Class B requirements for certification NOTE: TAWS-enabled units can be identified by observing the power-up screens. TAWS-enabled units will display "TAWS" after the model number. TAWSenabled units can also be identified by going to the Terrain page and checking the upper left-corner for "TAWS." Operating Criteria Garmin TAWS requires the following to operate properly: • The system must have a valid 3D GPS position solution • The system must have a valid terrain/obstacle/ airport terrain database Limitations NOTE: The data contained in the terrain and obstacle databases comes from government agencies. Garmin accurately processes and cross-validates the data, but cannot guarantee the accuracy and completeness of the data. TAWS displays terrain and obstructions relative to the altitude of the aircraft. Individual obstructions may be shown if available in the database. However, all obstructions may not be available in the database and data may be inaccurate. Never use this information for navigation. Terrain information is based on terrain elevation data contained in a database that may contain inaccuracies. Terrain information should be used as an aid to situational awareness. Never use it for navigation or to maneuver to avoid terrain. TAWS uses terrain and obstacle information supplied by government sources. The data undergoes verification by Garmin to confirm accuracy of the content, per TSO-C151b. However, the displayed information should never be understood as being all-inclusive. 190-00356-30 Rev H 31