837.1—Purpose and scope.
(a)
This part sets forth procedures to be followed when requesting material for use in legal proceedings (including administrative proceedings) in which the National Transportation Safety Board (NTSB or Board) is not a party, and procedures to be followed by the employee upon receipt of a subpoena, order, or other demand (collectively referred to here as a demand) by a court or other competent authority or by a private litigant. “Material,” as used in this part, means any type of physical or documentary evidence, including but not limited to paper documents, electronic media, videotapes, audiotapes, etc.
(2)
Minimize the possibility of involving the NTSB in controversial issues not related to its mission;