4.The Agency shall assist the Commission in the development and maintenance of the European database for marine casualties provided for in Article 17 of Directive 2009/18/EC. On the basis of the data collected in that database, the Agency shall compile a yearly overview of marine casualties and incidents. The Agency shall, at the request of the marine safety investigation authorities of the Member States concerned, and assuming that no conflict of interest arises, provide operational support to those Member States in the conduct of their marine safety investigations. The Agency shall also carry out an analysis of marine safety investigation reports provided for in Directive 2009/18/EC with a view to identifying added value at Union level in terms of any relevant lessons to be drawn.The Agency shall provide regular training according to the needs of the marine safety investigation authorities of the Member States.