# 49 C.F.R. § 831.2 (2026): Responsibility of the NTSB

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P831_S831_2

## Section

- **Citation:** 49 C.F.R. § 831.2 (2026)
- **Heading:** Responsibility of the NTSB
- **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 / § 831.2: § 831.2   Responsibility of the NTSB.

## Text

The NTSB is required to investigate—
(a) Aviation accidents as described in subpart B of this part;
(b) Highway accidents as described in subpart C of this part;
(c) Railroad, pipeline, and hazardous materials accidents as described in subpart D of this part; and
(d) Any accident that occurs in connection with the transportation of people or property that, in the judgment of the NTSB, is catastrophic, involves problems of a recurring nature or would otherwise carry out the intent of its authorizing statutes. This authority includes selected events involving the transportation of hazardous materials, including their release.

## 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_2. Check the current official text before relying on it. Not legal advice.