49 C.F.R. § 821.1
Administrator means the Administrator of the Federal Aviation Administration (FAA);
Airman certificate means any certificate issued by the FAA to an airman, and shall include medical certificates required for airmen;
Appeal from an initial decision means a request to the Board to review a law judge's decision;
Appeal to the Board means a request to the Board for the review by a law judge of an order of the Administrator;
Appealable order means an order of a law judge that has the effect of terminating the proceeding, such as one granting a motion to dismiss in lieu of an answer, as provided in § 821.17 , or one granting a motion for judgment on the pleadings or summary judgment. Appealable order does not include an order granting in part a motion to dismiss and requiring an answer to any remaining allegation or allegations, an order granting in part judgment on the pleadings or summary judgment, or a ruling on an interlocutory matter;
Board means the National Transportation Safety Board;
Case Manager means the officer of the Board's Office of Administrative Law Judges responsible for the processing of cases within that office;
Certificate means any certificate issued by the Administrator under 49 U.S.C. Chapter 447;
Chief Law Judge means the administrative law judge in charge of the adjudicative function of the Board's Office of Administrative Law Judges;
Complaint means an order of the Administrator, reissued for pleading purposes, from which an appeal to the Board has been taken pursuant to sections 49 U.S.C. 44106 , 44709 or 46301 ;
Emergency order means an order of the Administrator issued pursuant to 49 U.S.C. 44709 , which recites that an emergency exists and that safety in air commerce or air transportation and the public interest require the immediate effectiveness of such order;
Flight engineer means a person who holds a flight engineer certificate issued under Part 63 of Title 14 of the Code of Federal Regulations;
Initial decision means the law judge's decision on the issue or issues remaining for disposition at the close of a hearing;
Law judge means the administrative law judge assigned to hear and preside over the respective proceeding;
Mechanic means a person who holds a mechanic certificate issued under Part 65 of Title 14 of the Code of Federal Regulations;
Order means the document (sometimes also termed the complaint) by which the Administrator seeks to amend, modify, suspend or revoke a certificate, or impose a civil penalty;
Petition for review means a petition filed pursuant to 49 U.S.C. 44703 for review of the Administrator's denial of an application for issuance or renewal of an airman certificate;
Petitioner means a person who has filed a petition for review;
Pilot means a person who holds a pilot certificate issued under Part 61 of Title 14 of the Code of Federal Regulations;
Repairman means a person who holds a repairman certificate issued under Part 65 of Title 14 of the Code of Federal Regulations;
Respondent means the holder of a certificate who has appealed to the Board from an order of the Administrator amending, modifying, suspending or revoking a certificate, or imposing a civil penalty.
49 C.F.R. §821.1