Page 97.8 Chapter 97 Avionics APR 2019
97-15 GPS Installation (continued)
F. Scheduled Maintenance and Inspections
NOTE
All factory-installed Garmin units are “on condition” and do not
require scheduled periodic maintenance. Units feature a BIT
(Built-In Test) function during each initial power-up that will
detect internal failure(s) and alert pilot.
NOTE
Refer to § 97-60 for avionics software information.
G. Special Maintenance and Inspections
1. Turn battery & avionics switches off. Open circuit breaker panel and upper
console.
2. Inspect condition of and verify no obvious damage to GPS(s), copper bus bars,
circuit breaker, and wiring. Verify no loose, chafed, or broken wires or terminals.
Verify no evidence of arcing. Verify equipment security.
3. Secure circuit breaker panel and upper console. Perform ground checks per Part
D steps 4 and 5.