The Board delegates to the Directors of the Offices of Aviation, Railroad, Highway, Marine, and Pipeline and Hazardous Materials Safety, the authority to:
(a) Order an investigation into the facts, conditions, and circumstances of accidents that the Board has authority to investigate.(b) Disclose factual information pertinent to all accidents or incidents as provided for in Part 801 of this chapter.(c) Determine the probable cause(s) of accidents in which the determination is issued in the "Brief of Accident" format, except that the Office Director will submit the findings of the accident investigation to the Board for determination of the probable cause(s) when(1) any Board Member so requests,(2) it appears to the Office Director that, because of significant public interest, a policy issue, or a safety issue of other matter, the determination of the probable cause(s) should be made by the Board, or(3) the accident investigation will be used to support findings in a special investigation or study. Provided, that a petition for reconsideration or modification of a determination of the probable cause(s) made under § 845.31 of this chapter shall be acted on by the Board.(d) Consistent with Board resources, investigate accidents as provided under 49 U.S.C. 1131 and the appendix to this part.60 FR 61489, Nov. 30, 1995, as amended at 63 FR 71606, Dec. 29, 1998; 81 FR 75731 , Nov. 1, 2016