The Executive Director or any officer or employee of the Administration designated by the Executive Director may conduct investigations, inquiries, and hearings as to: Any matter covered by this title or by a rule, regulation, or order of the Administration; or Any aeronautics accident in this State. Hearings shall be: Open to the public; and Except as provided in § 5–210 of this subtitle, held on such notice as the Executive Director considers advisable. The Executive Director or his designee may: Administer oaths; Certify to all official acts; and Issue subpoenas and orders for the attendance and testimony of witnesses and the production of papers, books, and documents. If a person fails to comply with any subpoena or order issued under this section, the Executive Director or his designee may invoke the aid of a court of competent jurisdiction. The court may order that person to obey the subpoena or order or to give evidence about the matter in question.