Answer: lifeboats

AnswerCrossword Clue
LIFEBOATSShip's equipment.
LIFEBOATSThey can go overboard
lifeboatsLIFEBOAT, a small rescue boat
lifeboatsA small boat kept on a ship for use in emergency, typically one of a number on deck or suspended from davits
lifeboatsA specially constructed boat launched from land to rescue people in distress at sea