appropriate search and rescue servicesmeans, in relation to a ship proceeding to persons in distress at sea, the search and rescue services for the area within which the persons are located;
distress alertmeans a signal of distress from a ship or information from any source that a ship or hovercraft is, or persons on or from a ship or hovercraft are, in distress at sea;
search and rescue servicesmeans the search and rescue services responsible for the initiation and co-ordination of all maritime search and rescue activity required to provide assistance to persons in distress at sea.