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Who We Are and What We Do

​​​​​​​​​The National Transportation Safety Board is an independent federal agency charged by Congress with investigating every civil aviation accident in the United States and significant events in other modes of transportation—railroad, transit, highway, marine, pipeline, and commercial space.

We determine the probable cause of the accidents we investigate and issue safety recommendations aimed at preventing future accidents. In addition, we conduct transportation safety research studies and offer information and other assist​ance to family members and survivors for any accident investigated by the agency.  ​

Upcoming Events



21 Mar 2023

NTSB Examines Pressure Relief Devices In East Palestine Derailment

​​​WASHINGTON (March 21, 2023) — Investigators with the National Transportation Safety Board examined and tested pressure relief devices removed from…

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16 Mar 2023

Deteriorated Bollard Causes Breakaway and Collision

​​​WASHINGTON (March 16, 2023) — A deteriorated bollard led to a mobile offshore drilling unit breaking away and colliding with a cargo vessel in…

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15 Mar 2023

2021 Fatal Multivehicle Collision in Phoenix Subject of March 28 NTSB Board…

​​​The National Transportation Safety Board will hold a virtual public board meeting March 28 to determine the probable cause of a fatal multivehicle…

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