# 49 C.F.R. § 831.58 (2026): Investigator-in-charge

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_58

## Section

- **Citation:** 49 C.F.R. § 831.58 (2026)
- **Heading:** Investigator-in-charge
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 49 CFR: Transportation / Chapter VIII / Part 831 / Subpart E / § 831.58: § 831.58   Investigator-in-charge.

## Text

(a) In addition to the subpoena and deposition authority delegated to investigative officers under this chapter, a person designated as IIC for an investigation is authorized to— (1) Organize, conduct, control, and manage the field phase of an investigation, even when a Board Member is present. (2) Coordinate all resources and provide direction to all persons (including persons not employed by the NTSB) involved in an on-site investigation. (3) Work with other Federal agencies in the investigation of a marine casualty or major marine casualty when other agencies are participating, to ensure all agencies will obtain the information, evidence, and resources needed for the investigation(s) or investigative activities. (4) Work with the USCG to ensure the agencies do not duplicate work to the maximum extent practicable. (5) Continue his or her organizational and management responsibilities through all phases of the investigation, including consideration and adoption of a report or brief determining one or more probable causes of a marine casualty or major marine casualty.

## 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_58. Check the current official text before relying on it. Not legal advice.