Transport Safety Investigation Bureau (TSIB)

The TSIB is the air and marine accidents and incidents investigation authority in Singapore. It was formed on 1 August 2016 from a restructuring of the Air Accident Investigation Bureau. 

The mission of the TSIB is to promote aviation and maritime safety through the conduct of independent and objective investigations into air and marine accidents and incidents in accordance with international standards and recommended practices. 

The sole objective of TSIB's investigation of an accident or incident shall be the prevention of accidents and incidents.  It is not the purpose of this activity to apportion blame or liability. 

When carrying out its investigations, the TSIB will: 

• Gather, record and analyse all available information on the accidents and incidents
• Determine the causes and/or contributing factors
• Identify possible safety issues
• Make safety recommendations to address the safety issues
• Produce an investigation report

The TSIB comprises the Air Accident Investigation Bureau (AAIB) and the Marine Safety Investigation Branch (MSIB). 

Air Accident Investigation Bureau (AAIB)

The AAIB is responsible for the investigation of air accidents and serious incidents in Singapore, whether involving local or foreign commercial aircraft. The AAIB also participates in overseas investigations of accidents and serious incidents involving Singapore-registered aircraft or aircraft that is managed by a Singapore operator.

The AAIB carries out investigations in accordance with the Convention on International Civil Aviation.

Marine Safety Investigation Branch (MSIB)

The MSIB is responsible for the investigation of very serious marine casualties involving Singapore-registered ships, as well as those involving non-Singapore registered ships within Singapore territorial waters.

 The MSIB carries out investigations in accordance with the Code of International Standards and Recommended Practices for a Safety Investigation into a Marine Casualty or Incident of the International Maritime Organization.