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CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER K—ADMINISTRATIVE REGULATIONS (parts 183 to 193) > PART 189—USE OF FEDERAL AVIATION ADMINISTRATION COMMUNICATIONS SYSTEM > 189.1—Scope.
189.1—Scope.
This part describes the kinds of messages that may be transmitted or relayed by FAA Flight Service Stations.