Final answer:
Penetrating restricted areas without authorization may lead to civil penalties and criminal charges, reflecting the importance of maintaining security, privacy, and adherence to the law.
Step-by-step explanation:
The penetration of restricted areas without authorization from the using or controlling agency is not something that can be taken lightly. Options like 'Allowed at any time' or 'Permitted during daytime only' are too lenient and don't account for the seriousness of violating a restricted space. The most fitting response, considering potential legal ramifications, is 'c) Subject to civil penalties and criminal charges'.
Unauthorized access to restricted areas is a breach of law, and as such, can result in legal consequences. This applies to any individual, regardless of their experience as a pilot or any other qualification. The protection of private property and the enforcement of restricted zones are important for maintaining security, privacy, and the rule of law.