N.J. Stat. § 6:1-61

Any person who operates, pilots or avigates, or any person, copartnership, association or corporation who causes to be operated, piloted or avigated, any aircraft on or over the land or water or through the air space of this State or on or upon any airport within this State thereby submits himself to the power and authority of the State to investigate the safety of the methods of operation of aircraft and airports within the State and agrees to appear and testify in person or by such copartner or copartners, officer or officers, as the Commissioner of Conservation and Economic Development shall designate, at any investigation or hearing to be held before said commissioner or a member of the Department of Conservation and Economic Development designated by the commissioner in connection with the safety of the operation of any aircraft or airport within this State and further agrees to produce any books and records, which may be relevant to the subject matter of the investigation, after reasonable notice given to him or to any one of the copartners or to any of its officers, in person or by registered mail, which notice shall designate the person or persons required to appear and testify and the books and records required to be produced. L.1952, c. 200, p. 713, s. 1.