[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR121.306] [Page 381-382] TITLE 14--AERONAUTICSAND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 121--OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS--Table of Contents Subpart K--Instrument and Equipment Requirements Sec. 121.306 Portable electronic devices. (a) Except as provided in paragraph (b) of this section, no person may operate, nor may any operator or pilot in command of an aircraft allow the operation of, any portable electronic device on any U.S.- registered civil aircraft operating under this part. (b) Paragraph (a) of this section does not apply to-- (1) Portable voice recorders; (2) Hearing aids; (3) Heart pacemakers; (4) Electric shavers; or (5) Any other portable electronic device that the part 119 certificate holder has determined will not cause interference with the navigation or communication system of the aircraft on which it is to be used. (c) The determination required by paragraph (b)(5) of this section shall be made by that part 119 certificate holder [[Page 382]] operating the particular device to be used. [Doc. No. FAA-1998-4954, 64 FR 1080, Jan. 7, 1999]