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49 U.S.C. 1113(f). Section 831.15 also issued under Pub. L. 101-410, 104 Stat. 890, amended by Pub. L. 114-74, sec. 701, 129 Stat. 584 (28 U.S.C. 2461 note).
82 FR 29685, June 29, 2017, unless otherwise noted.
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The NTSB is required to investigate—
(a) Aviation accidents as described in subpart B of this part;
(b) Highway accidents as described in subpart C of this part;
(c) Railroad, pipeline, and hazardous materials accidents as described in subpart D of this part; and
(d) Any accident that occurs in connection with the transportation of people or property that, in the judgment of the NTSB, is catastrophic, involves problems of a recurring nature or would otherwise carry out the intent of its authorizing statutes. This authority includes selected events involving the transportation of hazardous materials, including their release.