Which is a typical sign of suspicious behavior that should raise a flight attendant's alert?

• A. Unusual attempts to access restricted areas.
• B. Refusing to drink water.
• C. Smiling at crew.
• D. Following all crew instructions precisely.

Answer: (A)

The main idea here is recognizing red flags that indicate a potential security risk, especially actions that challenge the aircraft’s security boundaries. Unusual attempts to access restricted areas stand out because those zones are off-limits to passengers and unescorted individuals; trying to reach or observe restricted spaces suggests someone may be trying to bypass safeguards, which could enable harm or theft. That kind of behavior should immediately raise your alert and trigger the security protocols—observe discreetly, document what you observe if possible, and report to the lead flight attendant or security, while keeping passengers safe and avoiding confrontation.

The other options don’t signal a security threat in the same way. Refusing to drink water might be a medical issue, personal preference, or due to discomfort. A passenger smiling at crew is a normal, benign interaction. Following all crew instructions precisely is good behavior and indicates cooperation, not suspicion.