Which generator is associated with the secondary line in the power system?

In a typical aircraft power system, Generator 2 is often associated with the secondary power line. This is because many aircraft configurations designate the primary generator to supply essential systems directly, while the secondary generator (in this case, Generator 2) is responsible for powering auxiliary or non-essential systems.

The secondary line is crucial for providing power redundancy and ensuring that if the primary power source is lost, there is still a means to power additional systems needed for safety and operational integrity. Moreover, in some aircraft systems, the second generator can take over if the primary generator fails, making it a critical component in maintaining electrical integrity during flight.

Understanding this relationship highlights the importance of redundancy in aviation systems, ensuring that multiple generators can share the load and provide reliability, enhancing safety for Part 135 operations where operational flexibility and safety are paramount.