What type of data does the Central Maintenance Computer (CMC) collect?

The Central Maintenance Computer (CMC) is a critical component in the Embraer Regional Jet systems, focusing primarily on the collection and analysis of fault data and monitoring information for various aircraft systems. The CMC continuously monitors the health and performance of aircraft systems and components, identifying any issues that could affect safety and operational efficiency.

This system helps in troubleshooting and maintenance by gathering information related to faults, which can include error codes and performance metrics. By analyzing this data, maintenance personnel can receive insights on specific systems that may require attention, thus enhancing the safety and reliability of the aircraft.

The other options do not align with the primary role of the CMC. Weather data and environmental conditions are typically managed by other systems designed to enhance situational awareness, while passenger data and flight schedules involve operational management rather than maintenance. Similarly, navigation and communication logs are recorded by avionics systems that serve different purposes, focusing on flight operations rather than maintenance and fault management.