Code of Federal Regulations Title 49. Transportation § 49.831.9 Authority during investigations

(1) Conduct hearings;

(2) Administer oaths;

(3) Require, by subpoena or otherwise, the production of evidence and witnesses;

(4) Enter any property where an accident subject to the NTSB's jurisdiction has occurred, or wreckage from any such accident is located, and take all actions necessary to conduct a complete investigation of the accident;

(5) Inspect, photograph, or copy any records or information (including medical records pursuant to paragraph (b)(2) of this section), and correspondence regardless of the date of their creation or modification, for the purpose of investigating an accident;

(6) Take possession of wreckage, records or other information if it determines such possession is necessary for an investigation;  and

(7) Question any person having knowledge relevant to a transportation accident.

(1) The NTSB's authority to issue subpoenas includes access to medical records and specimens.

(2) For purposes of the Health Insurance Portability and Accountability Act of 1996 (HIPAA), Public Law 104–191, and the regulations promulgated by the DHHS, 45 CFR 164.501 et seq., the NTSB is a “public health authority” to which protected health information may be disclosed by a HIPAA “covered entity” without the prior written authorization of the subject of the records. In addition, the NTSB may issue a subpoena to gain access to such information.