# 49 C.F.R. § 831.52 (2026): Responsibility of NTSB in marine investigations

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_52

## Section

- **Citation:** 49 C.F.R. § 831.52 (2026)
- **Heading:** Responsibility of NTSB in marine investigations
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 49 CFR: Transportation / Chapter VIII: NATIONAL TRANSPORTATION SAFETY BOARD / Part 831: INVESTIGATION PROCEDURES / Subpart E: Marine Investigations / § 831.52: § 831.52   Responsibility of NTSB in marine investigations.

## Text

(a) The NTSB may conduct an investigation of a major marine casualty or a marine casualty of a vessel (including, but not limited to, allisions, abandonments, and accidents) alone or jointly with the USCG pursuant to the joint regulations in part 850 of this chapter.
(b) Nothing in this part may be construed to conflict with the regulations in part 850 of this chapter, which were prescribed jointly by the NTSB and USCG under the authority of 49 U.S.C. 1131(a)(1)(E).
(c) In an investigation led by the USCG, the NTSB may perform separate activities in furtherance of its own analysis or at the request of the USCG. The NTSB and USCG will coordinate to ensure the agencies do not duplicate work or hinder the progress of the investigation.
(d) Pursuant to 49 U.S.C. 1131(a)(1)(F), the NTSB is responsible for the investigation of other accidents that may include marine and boating accidents not covered by part 850 of this chapter, and certain accidents involving transportation and/or release of hazardous materials.

## Nearby sections

- [49 C.F.R. § 831.50 (2026) § 831.50   Applicability of this subpart.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_50.md)
- [49 C.F.R. § 831.51 (2026) § 831.51   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_51.md)
- [49 C.F.R. § 831.52 (2026) § 831.52   Responsibility of NTSB in marine investigations.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_52.md)
- [49 C.F.R. § 831.53 (2026) § 831.53   Authority of Director, Office of Marine Safety.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_53.md)
- [49 C.F.R. § 831.54 (2026) § 831.54   Nature of investigation.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_54.md)
- [49 C.F.R. § 831.55 (2026) § 831.55   Relationships with other agencies.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_55.md)
- [49 C.F.R. § 831.56 (2026) § 831.56   Request to withhold information.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_56.md)
- [49 C.F.R. § 831.57 (2026) § 831.57   Representation during an interview.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_57.md)
- [49 C.F.R. § 831.58 (2026) § 831.58   Investigator-in-charge.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_58.md)
- [49 C.F.R. § 831.59 (2026) § 831.59   Authority during investigations.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_59.md)
- [49 C.F.R. § 831.60 (2026) § 831.60   Autopsies and postmortem testing.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_60.md)
- [49 C.F.R. § 831.61 (2026) § 831.61   Parties to the investigation.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_61.md)
- [49 C.F.R. § 831.62 (2026) § 831.62   Access to and release of wreckage, records, mail, and cargo.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_62.md)
- [49 C.F.R. § 831.63 (2026) § 831.63   Provision and dissemination of investigative information.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_63.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_52. Check the current official text before relying on it. Not legal advice.