; and (2) that exempt from the prohibition described in paragraph (1) any— (A) member of the flight crew on duty on an aircraft; (B) flight attendant on duty on an aircraft; and (C) Federal law enforcement officer acting in an official capacity. (b) Definitions In this section, the following definitions apply: (1) Flight The term flight means, with respect to an aircraft, the period beginning when the aircraft takes off and ending when the aircraft lands. (2) Mobile communications device (A) In general The term mobile communications device means any portable wireless telecommunications equipment utilized for the transmission or reception of voice data. (B) Limitation The term mobile communications device does not include a phone installed on an aircraft. . (b) Clerical amendment The analysis for chapter 417 of title 49, United States Code, is amended by inserting after the item relating to section 41724 the following: 41725. Prohibition on certain cell phone voice communications. . 403. Advisory committee for aviation consumer protection Section 411 of the FAA Modernization and Reform Act of 2012 ( 49 U.S.C. 42301 prec. note) is amended— (1) in subsection (b)— (A) by redesignating paragraphs (3) and (4) as paragraphs (4) and (5), respectively; and (B) by inserting after paragraph (2) the following: (3) independent distributors of travel; ; (2) in subsection (g) by striking first 2 calendar years and inserting first 6 calendar years