In the 2009-2010 financial year, the Australian Transport Safety Bureau (ATSB) completed 37 aviation, 10 marine, and 11 rail investigations where safety factors were identified using the ATSB analysis framework. From these investigations, 124 safety issues (factors that have a potential to adversely affect the safety of future operations) were identified and 141 safety actions were undertaken to address these safety issues. This report documents and analyses these safety issues and safety actions and explores the risk levels assigned to provide an understanding of where the greatest risks to…