# 49 C.F.R. § 831.8 (2026): Investigator-in-charge

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_8

## Section

- **Citation:** 49 C.F.R. § 831.8 (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: NATIONAL TRANSPORTATION SAFETY BOARD / Part 831: INVESTIGATION PROCEDURES / Subpart A: General / § 831.8: § 831.8   Investigator-in-charge.

## Text

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—
(a) Organize, conduct, control, and manage the field phase of an investigation, even when a Board Member is present;
(b) Coordinate all resources and supervise all persons (including persons not employed by the NTSB) involved in an on-site investigation; and
(c) 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 an accident.

## Nearby sections

- [49 C.F.R. § 831.1 (2026) § 831.1   Applicability of this subpart.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_1.md)
- [49 C.F.R. § 831.2 (2026) § 831.2   Responsibility of the NTSB.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_2.md)
- [49 C.F.R. § 831.3 (2026) § 831.3   Authority of Directors.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_3.md)
- [49 C.F.R. § 831.4 (2026) § 831.4   Nature of investigation.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_4.md)
- [49 C.F.R. § 831.5 (2026) § 831.5   Priority of NTSB investigations.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_5.md)
- [49 C.F.R. § 831.6 (2026) § 831.6   Request to withhold information.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_6.md)
- [49 C.F.R. § 831.7 (2026) § 831.7   Representation during an interview.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_7.md)
- [49 C.F.R. § 831.8 (2026) § 831.8   Investigator-in-charge.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_8.md)
- [49 C.F.R. § 831.9 (2026) § 831.9   Authority during investigations.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_9.md)
- [49 C.F.R. § 831.10 (2026) § 831.10   Autopsies and postmortem testing.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_10.md)
- [49 C.F.R. § 831.11 (2026) § 831.11   Parties to the investigation.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_11.md)
- [49 C.F.R. § 831.12 (2026) § 831.12   Access to and release of wreckage, records, mail, and cargo.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_12.md)
- [49 C.F.R. § 831.13 (2026) § 831.13   Provision and dissemination of investigative information.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_13.md)
- [49 C.F.R. § 831.14 (2026) § 831.14   Proposed findings.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_14.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_8. Check the current official text before relying on it. Not legal advice.