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Regulations last checked for updates: Feb 09, 2026
Title 46 - Shipping last revised: Jan 15, 2026
All Titles
Title 46
Chapter I
Part 4
Subpart 4.40 - Subpart 4.40—Coast Guard—National Transportation Safety Board Marine Casualty Investigations
§ 4.40-1 - Purpose.
§ 4.40-3 - Relationship to Coast Guard marine investigation regulations and procedures.
§ 4.40-5 - Definitions.
§ 4.40-10 - Preliminary investigation by the Coast Guard.
§ 4.40-15 - Marine casualty investigation by the Board.
§ 4.40-20 - Cause or probable cause determinations from Board investigation.
§ 4.40-25 - Coast Guard marine casualty investigation for the Board.
§ 4.40-30 - Procedures for Coast Guard investigation.
§ 4.40-35 - Records of the Coast Guard and the Board.
authority:
14 U.S.C. 102
;
43 U.S.C. 1333
;
46 U.S.C. 2103
,
2303A
,
2306
,
6101
,
6301
,
6305
,
70034
;
50 U.S.C. 198
; DHS Delegation 00170.1, Revision No. 01.4. Subpart 4.40 issued under
49 U.S.C. 1131
(a)(1)(E)
source:
CGD 74-119, 39 FR 33317, Sept. 17, 1974, unless otherwise noted.
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