Transportation Safety Board of Canada

The Transportation Safety Board of Canada (TSB, French: Bureau de la sécurité des transports du Canada, BST), officially the Canadian Transportation Accident Investigation and Safety Board (French: Bureau canadien d’enquête sur les accidents de transport et de la sécurité des transports) is the agency of the Government of Canada responsible for advancing transportation safety in Canada. The independent agency investigates accidents and makes safety recommendations in four modes of transportation: aviation, rail, marine and pipelines.