Cessna 172 Skyhawk — Performance Data

This document is a guide for managing and troubleshooting Secure Digital (SD) data cards used in Garmin avionics systems. It provides detailed instructions on data card care, types of databases available, and how to view files on the data cards. The guide emphasizes the importance of using only compatible SD cards and outlines the procedures for updating databases. It is intended for pilots and technicians who operate Garmin-equipped aircraft, ensuring they understand how to maintain and utilize the data cards effectively.

• Use only Garmin or manufacturer-supplied SD cards to avoid compatibility issues.
• Do not use data cards for personal storage to prevent corruption.
• Follow proper procedures for updating databases to maintain system integrity.
• Database updates for navigation data occur every 28 days; terrain data updates occur annually.
• Ensure that SD card readers are compatible with SDHC cards for proper functionality.