36Part Three: Section 2TAWS OperationPotential Impact Point Alert LevelWARNING (Red)CAUTION (Yellow)TAWS Alert Coloring and SymbologyGeneral Database InformationGarmin TAWS uses terrain and obstacle informa-tion supplied by government sources. The data under-goes verification by Garmin to confirm accuracy ofthe content, per TSO-C151b. However, the displayedinformation should never be understood as beingall-inclusive. Pilots must familiarize themselveswith the appropriate charts for safe flight.NOTE: The data contained in the terrain and obstacle data-bases comes from government agencies. Garmin accuratelyprocesses and cross-validates the data, but cannot guaran-tee the accuracy and completeness of the data.The terrain/obstacle databases are contained on adatacard which is inserted in the right-most slot of the400W/500W Series units.Database VersionsThe version and area of coverage of each ter-rain/obstacle database is shown on the Terrain Data-base Versions Page, located in the AUX Page Group.Databases are checked for integrity at power-up. If adatabase is found to be missing and/or deficient, theTAWS system fails the self-test and displays the TAWSsystem failure message.Terrain Database Information190-00356-30 Rev H
