MayDay ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZDistress call made when vessel or life is in serious and imminent danger. From the French, M’aider. Related content: Life Saving Signals TableClassroomKeeping Safe at SeaSafety of the crew and vessel is the primary responsibility of the skipper. Ensuring you understand the safety kit available and how to use it is paramount to staying safe. Learn about basic safety equipment & how to use it. Approximately 3 hours« Back to Glossary Index