This report provides Australian aviation accident and incident, collectively termed occurrence, data for the period 1 January 1999 to 31 March 2009. This data was provided to the Australian Transport Safety Bureau by 'responsible persons' as defined in the Transport Safety Investigation Regulations 2003, Part 2.5. The data excludes non-VH registered operations in the sport aviation category (except for Tables 1 and 2 which shows all occurrences), and is current as at 31 March 2009.

The data will be adjusted quarterly to reflect new information received during the reporting period.