In radio terminology, what does the distress signal "MAYDAY" clearly mean?

The distress signal "MAYDAY" is an internationally recognized term in radio communications, specifically used to indicate a life-threatening emergency. When an operator transmits "MAYDAY," they are declaring that they are in imminent danger and require immediate assistance. This urgency is critical, as it prompts all nearby vessels and stations to prioritize the distress call over other communications.

The use of "MAYDAY" clearly conveys the seriousness of the situation, ensuring that rescuers divert their attention to providing help as quickly as possible. This signal is standard practice and understood universally in the maritime and aviation communities, making it a vital part of safety protocols.

While request for help is indeed the primary implication of "MAYDAY," options such as safety confirmation, information message, and routine check-in serve different purposes in radio communications and do not reflect the urgency and critical nature of a "MAYDAY" call.