An update of the Plan is provided to the EASA Management Board at the end of each year. The present document constitutes the fourth edition of the EPAS covering the period between 2014 and 2017. This edition includes an update to the main risk areas of the portfolio by including fire, smoke and fumes as one of the categories where new opportunities to improve safety have been identified. This fourth edition includes a report on the status of the 88 standing actions identified last year. A progress report with details on individual actions is included in Annex A. This has been developed in coordination with the various action owners. Additionally, a brief summary of the progress made in each of the safety areas has been included in the main body of the document.