Which aspect is essential for the installation of flight and navigation systems in a Part 23 airplane?

The installation of flight and navigation systems in a Part 23 airplane must include a means for the crew to monitor parameters. This aspect is vital because it ensures that the crew can continuously assess the performance and functionality of the systems while in operation. Monitoring parameters allows pilots to detect any anomalies or malfunctions, respond appropriately, and maintain safe and effective control of the aircraft.

In the context of flight and navigation systems, providing real-time data to the crew enhances situational awareness and decision-making. It establishes a crucial safety net, allowing for immediate corrective actions if necessary. Moreover, regulations governing Part 23 airplanes emphasize the need for human oversight and intervention when operating complex systems, underscoring the importance of crew monitoring.

Automated operation without crew involvement is not a realistic or safe approach for such systems, as it removes essential human oversight. Likewise, preventing crew monitoring would compromise safety by leaving the crew unaware of critical operational parameters. Although simulated training conditions may be beneficial for preparing crews to operate the systems, they do not replace the need for real-time monitoring during actual flights. Therefore, ensuring that the crew has a means to monitor the systems is essential for safe aircraft operation.