A-4Garmin G500 Pilot’s Guide 190-01102-02 Rev. EForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndexGarmin DatabasesWARNING: The data contained in the terrain and obstacle databasescomes from government agencies. Garmin accurately processes and cross-validates the data, but cannot guarantee the accuracy and completenessof the data.The following GDU 620 databases are stored on Supplemental Data Cardsprovided by Garmin:• Terrain – The terrain database contains terrain mapping data. It is updatedperiodically and has no expiration date.• Airport terrain – The airport terrain database contains detailed airportterrain data. It is updated periodically and has no expiration date. Thisdatabase is not required when a 9 arc-second terrain database is in use.• Obstacle – The obstacle database contains data for obstacles, such as towers,that pose a potential hazard to aircraft. Obstacles 200 feet and higher areincluded in the obstacle database. It is very important to note that not allobstacles are necessarily charted and therefore may not be contained in theobstacle database. This database is updated on a 56-day cycle. Obstacleswill still be shown after the database has expired.• SafeTaxi – The SafeTaxi database contains detailed airport diagrams forselected airports. These diagrams aid in following ground control instructionsby accurately displaying the aircraft position on the map in relation totaxiways, ramps, runways, terminals, and services. This database is updatedon a 56-day cycle. SafeTaxi will still be shown after it has expired.• FliteCharts – The FliteCharts database contains procedure charts for theUnited States only. This database is updated on a 28-day cycle. If not updatedwithin 180 days of the expiration date, FliteCharts no longer functions.• Airport Directory (optional) – The airport directory database containsairport facility and FBO information. This database is optional and “N/A”will be displayed in white text on the startup screen if the database is notinstalled. This database may be available in multiple versions with varyingupdate cycles and/or content.Since these databases are not stored internally in the GDU 620, a SupplementalData Card containing identical database versions must be kept in each displayunit for dual installations. After subscribing to the desired database product,
