(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.