Article 2
The terms used in the Regulation shall be defined as follows:
1. “Activity Association for Ultra-light Vehicle” (hereinafter referred to as “Activity Association”): A community group that has completed the applicable approval procedures and registrations for a legal entity pursuant to Article 99, first paragraph of the Civil Aviation Act.
2. “The Owner of the Ultra-light Vehicle”: Any natural person or legal entity that owns an ultra-light vehicle, and whose application has been approved pursuant to the applicable provisions of the “Regulation Governing the Supervision of Ultra-light Vehicle” as prescribed by the Civil Aeronautics Administration of the Ministry of Transportation and Communications (hereinafter referred to as the “CAA”).
3. “The Operator of the Ultra-light Vehicle”: Any person that has acquired an “operating license for ultra-light vehicle” pursuant to the applicable provisions of the “Regulation Governing the Supervision of Ultra-light Vehicle” as prescribed by the CAA.
4. “Injury”: Hospitalization for more than forty-eight (72) hours is required within upon occurrence of the injury.
5. “Substantial damage”: Any irreparable damage to an ultra-light vehicle.
6. “Missing”: Fail to recover the wreckage of the ultra-light vehicle at the conclusion of the search efforts as determined by the Aviation Safety Council (hereinafter referred to as the “ASC”).
7. “Officer-on-Duty”: Investigator of the ASC who shall be on duty by turns around the clock and be responsible for the notification of aviation occurrences.
8. “Investigator-In-Charge”: An aviation safety investigator who, after an aviation occurrence arises, is designated by the ASC to conduct the investigation of the aviation occurrence.
9. “Investigation Task Force”: An investigation team established by the Investigator-In-Charge, which shall, during the investigation, submit to the direction of the Investigator-In-Charge in conducting relevant operations.

Article 7
The ASC may interview the relevant personnel pursuant to Article 18 of the Act.
The public disclosure of recordings or records of the interview and any restricted documents in respect to any situation described in Articles 21 and 22 of the Act or the subparagraphs of first paragraph of Article 18 of the Freedom of Government Information Law, shall be limited.