§ 87.237   Scope of service.

   (a) The communications of an aeronautical multicom station (multicom)
   must pertain to activities of a temporary, seasonal or emergency nature
   involving aircraft in flight. Communications are limited to directing
   or coordinating ground activities from the air or aerial activities
   from the ground. Air-to-air communications will be authorized if the
   communications are directly connected with the air-to-ground or
   ground-to-air activities described above. Multicom communications must
   not include those air/ground communications provided for elsewhere in
   this part.

   (b) If there is not unicom and an applicant is unable to meet the
   requirements for a unicom license, the applicant will be eligible for a
   multicom license.

   (1) The multicom license becomes invalid when a unicom is established
   at the landing area.

   (2) Multicoms must not be used for ATC purposes other than the relay of
   ATC information between the pilot and air traffic controller. Relaying
   of ATC information is limited to the following:

   (i) Revisions of proposed departure time;

   (ii) Takeoff, arrival flight plan cancellation time;

   (iii) ATC clearances, provided a letter of agreement is obtained from
   the FAA by the licensee of the multicom.

   (3) Communications by a multicom must be limited to the safe and
   expeditious operation of private aircraft, pertaining to the conditions
   of runways, types of fuel available, wind conditions, weather
   information, dispatching or other information. On a secondary basis,
   multicoms may transmit communictions which pertain to efficient
   portal-to-portal transit of an aircraft such as requests for ground
   transportation, food or lodging.

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