Who should be informed about components of the NAS or flight conditions that may affect air safety?

The correct choice highlights the importance of a collaborative approach to air safety within the National Airspace System (NAS). Informing Flight Service Stations (FSS), airport managers, Air Route Traffic Control Centers (ARTCC), and other relevant authorities ensures that all parties involved in aviation operations are aware of the current conditions and any potential factors that might impact safety.

This communication allows for coordinated efforts to mitigate risks, share critical information regarding weather conditions, airspace restrictions, or any other issues that could affect flight safety. Each of these entities has a role in maintaining the safety and efficiency of air traffic management, leading to informed decision-making by pilots and air traffic controllers alike.

Other options, like only informing the aircraft's crew or limiting information to military offices or local airport staff, do not encompass the comprehensive communication network necessary for effective safety management across all levels of aviation operations. This wider approach to information sharing helps to ensure that all stakeholders within the NAS are prepared and can act accordingly to maintain safety.