Marine and fisheries Includes information on safety at sea and managing crew. Crew management Hiring crew for ships and yachts Find out what you need to do when hiring crew to work on your ship or yacht. Seafarer working and living rights Information on seafarer working conditions and practices. Seafarer medical certificates Medical certificates to work at sea - ENG1 or ML5 medical certificates, medical forms and costs. Safety at sea Emergency and life-saving equipment on ships Information on the equipment ships must carry for safety reasons. Maritime safety: weather and navigation Information on weather notifications and navigational guidance.