[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: 14CFR99.9] [Page 296] TITLE 14--AERONAUTICSAND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 99--SECURITY CONTROL OF AIR TRAFFIC--Table of Contents Subpart A--General Sec. 99.9 Radio requirements (a) A person who operates a civil aircraft into an ADIZ must have a functioning two-way radio, and the pilot must maintain a continuous listening watch on the appropriate aeronautical facility's frequency. (b) No person may operate an aircraft into, within, or whose departure point is within an ADIZ unless-- (1) The person files a DVFR flight plan containing the time and point of ADIZ penetration, and (2) The aircraft departs within five minutes of the estimated departure time contained in the flight plan. [Doc. No. FAA-2001-10693, 66 FR 49822, Sept. 28, 2001]