Sec.  87.481   Unattended operation of domestic radiobeacon stations.

   (a) Radiobeacons may be licensed for unattended operation. An applicant must
   comply with the following:

   (1) The transmitter is crystal controlled and specifically designed for
   radiobeacon service and capable of transmitting by self-actuating means;

   (2) The emissions of the transmitter must be continuously monitored by a
   licensed operator, or by a direct positive automatic monitor, supplemented
   by aural monitoring at suitable intervals;

   (3) If as a result of aural monitoring it is determined that a deviation
   from the terms of the station license has occurred, the transmitters must be
   disabled  immediately  by  a  properly authorized person. If automatic
   monitoring  is used, the monitor must insure that the operation of the
   transmitter meets the license terms or is disabled;

   (4) A properly authorized person must be able to reach the transmitter and
   disable it in a reasonable amount of time, so as not to adversely affect
   life or property in the air;

   (5) The equipment must be inspected at least every 180 days. Results of
   inspections must be kept in the station maintenance records;

   (6)  The  transmitter  is not operable by or accessible to, other than
   authorized persons;

   (7) The transmitter is in a remote location.

   (b) Authority for unattended operation must be expressly stated in the
   station license.

   [ 53 FR 28940 , Aug. 1, 1988, as amended at  63 FR 68958 , Dec. 14, 1998]

Subpart R [Reserved]

Subpart S—Automatic Weather Stations (AWOS/ASOS)