What are the possible penalties for violating FAA regulations?

The correct response highlights the comprehensive range of penalties the FAA can impose for violating its regulations. This includes monetary fines that can be significant, reflecting the severity of the violation and serving as a deterrent against future infractions. Additionally, the FAA may suspend or even revoke operating certificates, which are critical for pilots and airlines, thereby directly impacting their ability to operate legally within the aviation industry. Legal action may also be pursued against the violator, potentially involving court proceedings.

The other options do not encompass the full scope of consequences the FAA is empowered to impose. While warnings and temporary suspensions may occur, they are not the only or most severe penalties available. Mandatory safety training sessions do not align with punitive measures but instead aim at ensuring compliance through education, which is a different approach from penalty enforcement. Lastly, extended compliance deadlines do not constitute penalties and are more associated with regulatory flexibility than accountability for violations. Thus, the most accurate representation of the FAA's penalties is found in the correct answer, which includes fines, suspension or revocation of certificates, and potential legal action.