Which of the following phrases indicates a distress situation?

The phrase "MAYDAY MAYDAY MAYDAY" is the international distress signal used in maritime communications, indicating that a vessel is in imminent danger and requires immediate assistance. This term is universally recognized by anyone involved in maritime activities, and its repetition three times is a standard practice to ensure clarity and urgency in emergencies.

MAYDAY is specifically reserved for situations where there is a grave and imminent threat to life or safety, such as sinking, fire on board, or a person overboard who is in serious trouble. It is critical that those responding hear and understand this call, as it conveys the highest level of urgency compared to other forms of distress calls.

While "SECURITY SECURITY SECURITY" and "PAN PAN PAN" are terms used in maritime communication, they serve different purposes. "SECURITY" indicates a safety message concerning navigational hazards or other urgent situations but not an immediate danger to life. "PAN PAN" is used to signal a situation that is urgent but does not pose an immediate threat to life or safety, such as a vessel in need of assistance for mechanical failure.

The phrase "All stations" refers to a transmission intended for all maritime units but lacks the distress connotation that "MAYDAY" carries. Therefore, "M