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185 Subpart A—General Information Federal Communications Commission § 87.5 87.479 Harmful interference to radio- for access to Commission records and navigation land stations. location of Commission monitoring 87.481 Unattended operation of domestic stations. radiobeacon stations. (b) Part 1 contains rules of practice Subpart R [Reserved] and procedure for license applications, adjudicatory proceedings, rule making Subpart S—Automatic Weather Stations proceedings, procedures for reconsider- (AWOS/ASOS) ation and review of the Commission’s actions, provisions concerning viola- 87.525 Scope of service. 87.527 Supplemental eligibility. tion notices and forfeiture proceedings, 87.529 Frequencies. and the requirements for environmetal impact statements. AUTHORITY: 47 U.S.C. 154, 303 and 307(e), un- less otherwise noted. (c) Part 2 contains the Table of Fre- quency Allocations and special require- SOURCE: 53 FR 28940, Aug. 1, 1988, unless ments in international regulations, otherwise noted. recommendations, agreements, and treaties. This part also contains stand- Subpart A—General Information ards and procedures concerning mar- keting of radio frequency devices, and § 87.1 Basis and purpose. for obtaining equipment authorization. This section contains the statutory (d) Part 13 contains information and basis and provides the purpose for rules for the licensing of commercial which this part is issued. radio operators. (a) Basis. The rules for the aviation (e) Part 17 contains requirements for services in this part are promulgated construction, marking and lighting of under the provisions of the Commu- antenna towers. nications Act of 1934, as amended, (f) Part 80 contains rules for the mar- which vests authority in the Federal itime services. Certain maritime fre- Communications Commission (Com- quencies are available for use by air- mission) to regulate radio transmission craft stations for distress and safety, and to issue licenses for radio stations. public correspondence and operational These rules conform with applicable communications. statutes and international treaties, agreements and recommendations to § 87.5 Definitions. which the United States is a party. The most significant of these documents Aeronautical advisory station (unicom). are listed with the short title appear- An aeronautical station used for advi- ing in parentheses: sory and civil defense communications (1) Communications Act of 1934, as primarily with private aircraft sta- amended—(Communications Act). tions. (2) International Telecommunication Aeronautical enroute station. An aero- Union Radio Regulations, in force for nautical station which communicates the United States—(Radio Regula- with aircraft stations in flight status tions). or with other aeronautical enroute sta- (3) The Convention on International tions. Civil Aviation—(ICAO Convention). Aeronautical fixed service. A (b) Purpose. This part states the con- radiocommunication service between ditions under which radio stations may specified fixed points provided pri- be licensed and used in the aviation marily for the safety of air navigation services. These rules do not govern and for the regular, efficient and eco- U.S. Government radio stations. nomical operation of air transport. A station in this service is an aero- § 87.3 Other applicable rule parts. nautical fixed station. Other applicable CFR title 47 parts Aeronautical Mobile Off-Route (OR) include: Service. An aeronautical mobile service (a) Part 0 contains the Commission’s intended for communications, includ- organizations and delegations of au- ing those relating to flight coordina- thority. Part 0 also lists Commission tion, primarily outside national or publications, standards and procedures international civil air routes.(RR) 185 VerDate Mar<15>2010 17:40 Dec 15, 2011 Jkt 223206 PO 00000 Frm 00195 Fmt 8010 Sfmt 8010 Q:\47\47V5 ofr150 PsN: PC150 § 87.5 47 CFR Ch. I (10–1–11 Edition) Aeronautical Mobile Route (R) Service. portation of passengers or cargo for An aeronautical mobile service re- hire. served for communications relating to Aircraft earth station (AES). A mobile safety and regularity of flight, pri- earth station in the aeronautical mo- marily along national or international bile-satellite service located on board civil air routes.(RR) an aircraft. Aeronautical Mobile-Satellite Off-Route Aircraft station. A mobile station in (OR) Service. An aeronautical mobile- the aeronautical mobile service other satellite service intended for commu- than a survival craft station, located nications, including those relating to on board an aircraft. flight coordination, primarily outside Airport. An area of land or water that national and international civil air is used or intended to be used for the routes.(RR) landing and takeoff of aircraft, and in- Aeronautical Mobile-Satellite Route (R) cludes its buildings and facilities, if Service. An aeronautical mobile-sat- any. ellite service reserved for communica- Airport control tower (control tower) tions relating to safety and regularity station. An aeronautical station pro- of flights, primarily along national or viding communication between a con- international civil air routes.(RR) trol tower and aircraft. Aeronautical Mobile-Satellite Service. A Automatic dependent surveillance— mobile-satellite service in which mo- broadcast (ADS–B) Service. Broadcast bile earth stations are located on board transmissions from aircraft, supporting aircraft. aircraft-to-aircraft or aircraft-to- Aeronautical mobile service. A mobile ground surveillance applications, in- service between aeronautical stations cluding position reports, velocity vec- and aircraft stations, or between air- tor, intent and other relevant informa- craft stations, in which survival craft tion about the aircraft. stations may also participate; emer- Automatic terminal information service- gency position-indicating radiobeacon broadcast (ATIS-B). The automatic pro- stations may also participate in this vision of current, routine information service on designated distress and to arriving and departing aircraft emergency frequencies. throughout a 24-hour period or a speci- Aeronautical multicom station. An fied portion thereof. aeronautical station used to provide Automatic weather observation station communications to conduct the activi- (AWOS) or automatic surface observation ties being performed by, or directed station (ASOS). A land station located from, private aircraft. at an airport and used to automati- Aeronautical radionavigation service. A cally transmit weather information to radionavigation service intended for aircraft. the benefit and for the safe operation Aviation service organization. Any of aircraft. business firm which maintains facili- Aeronautical search and rescue station. ties at an airport for the purposes of An aeronautical station for commu- one or more of the following general nication with aircraft and other aero- aviation activities: (a) Aircraft fueling; nautical search and rescue stations (b) aircraft services (e.g. parking, stor- pertaining to search and rescue activi- age, tie-downs); (c) aircraft mainte- ties with aircraft. nance or sales; (d) electronics equip- Aeronautical station. A land station in ment maintenance or sales; (e) aircraft the aeronautical mobile service. In cer- rental, air taxi service or flight in- tain instances an aeronautical station structions; and (f) baggage and cargo may be located, for example, on board handling, and other passenger or ship or on a platform at sea. freight services. Aeronautical utility mobile station. A Aviation services. Radio-communica- mobile station used on airports for tion services for the operation of air- communications relating to vehicular craft. These services include aero- ground traffic. nautical fixed service, aeronautical Air carrier aircraft station. A mobile mobile service, aeronautical radio- station on board an aircraft which is determination service, and secondarily, engaged in, or essential to, the trans- the handling of public correspondence 186 VerDate Mar<15>2010 17:40 Dec 15, 2011 Jkt 223206 PO 00000 Frm 00196 Fmt 8010 Sfmt 8010 Q:\47\47V5 ofr150 PsN: PC150 Federal Communications Commission § 87.5 on frequencies in the maritime mobile the runway or along some other path and maritime mobile satellite services when used as an offset. to and from aircraft. Land station. A station in the mobile Aviation support station. An aero- service not intended to be used while in nautical station used to coordinate motion. aviation services with aircraft and to Localizer station. A radionavigation communicate with aircraft engaged in land station which provides horizontal unique or specialized activities. (See guidance to aircraft with respect to a subpart K) runway center line. Differential GPS (DGPS). A system Marker beacon station. A radio- which transmits corrections to the navigation land station in the aero- GPS derived position. nautical radionavigation service which Emergency locator transmitter (ELT). A employs a marker beacon. A marker transmitter of an aircraft or a survival beacon is a transmitter which radiates craft actuated manually or automati- vertically a distinctive pattern for pro- cally that is used as an alerting and lo- viding position information to aircraft. cating aid for survival purposes. Mean power (of a radio transmitter). Emergency locator transmitter (ELT) The average power supplied to the an- test station. A land station used for tenna transmission line by a trans- testing ELTs or for training in the use mitter during an interval of
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