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Federal Communications Commission § 87.5

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Federal Communications Commission § 87.5 Federal Communications Commission § 87.5 treaties. This part also contains stand- of flights, primarily along national or ards and procedures concerning mar- international civil air routes.(RR) keting of radio frequency devices, and Aeronautical Mobile-Satellite Service. A for obtaining equipment authorization. mobile-satellite service in which mo- (d) Part 13 contains information and bile earth stations are located on board rules for the licensing of commercial aircraft. radio operators. Aeronautical mobile service. A mobile (e) Part 17 contains requirements for service between aeronautical stations construction, marking and lighting of and aircraft stations, or between air- antenna towers. craft stations, in which survival craft (f) Part 80 contains rules for the mar- stations may also participate; emer- itime services. Certain maritime fre- gency position-indicating radiobeacon quencies are available for use by air- stations may also participate in this craft stations for distress and safety, service on designated distress and public correspondence and operational emergency frequencies. communications. Aeronautical multicom station. An § 87.5 Definitions. aeronautical station used to provide communications to conduct the activi- Aeronautical advisory station (unicom). An aeronautical station used for advi- ties being performed by, or directed sory and civil defense communications from, private aircraft. primarily with private aircraft sta- Aeronautical radionavigation service. A tions. radionavigation service intended for Aeronautical enroute station. An aero- the benefit and for the safe operation nautical station which communicates of aircraft. with aircraft stations in flight status Aeronautical search and rescue station. or with other aeronautical enroute sta- An aeronautical station for commu- tions. nication with aircraft and other aero- Aeronautical fixed service. A nautical search and rescue stations radiocommunication service between pertaining to search and rescue activi- specified fixed points provided pri- ties with aircraft. marily for the safety of air navigation Aeronautical station. A land station in and for the regular, efficient and eco- the aeronautical mobile service. In cer- nomical operation of air transport. A tain instances an aeronautical station station in this service is an aero- may be located, for example, on board nautical fixed station. ship or on a platform at sea. Aeronautical Mobile Off-Route (OR) Aeronautical utility mobile station. A Service. An aeronautical mobile service mobile station used on airports for intended for communications, includ- communications relating to vehicular ing those relating to flight coordina- ground traffic. tion, primarily outside national or Air carrier aircraft station. A mobile international civil air routes.(RR) station on board an aircraft which is Aeronautical Mobile Route (R) Service. engaged in, or essential to, the trans- An aeronautical mobile service re- portation of passengers or cargo for served for communications relating to hire. safety and regularity of flight, pri- marily along national or international Aircraft earth station (AES). A mobile civil air routes.(RR) earth station in the aeronautical mo- Aeronautical Mobile-Satellite Off-Route bile-satellite service located on board (OR) Service. An aeronautical mobile- an aircraft. satellite service intended for commu- Aircraft station. A mobile station in nications, including those relating to the aeronautical mobile service other flight coordination, primarily outside than a survival craft station, located national and international civil air on board an aircraft. routes.(RR) Airport. An area of land or water that Aeronautical Mobile-Satellite Route (R) is used or intended to be used for the Service. An aeronautical mobile-sat- landing and takeoff of aircraft, and in- ellite service reserved for communica- cludes its buildings and facilities, if tions relating to safety and regularity any. 197 VerDate 0ct<31>2002 10:08 Dec 13, 2002 Jkt 197192 PO 00000 Frm 00197 Fmt 8010 Sfmt 8010 Y:\SGML\197192T.XXX 197192T § 87.5 47 CFR Ch. I (10–1–02 Edition) Airport control tower (control tower) Flight test land station. An aero- station. An aeronautical station pro- nautical station used in the testing of viding communication between a con- aircraft or their major components. trol tower and aircraft. Glide path station. A radionavigation Automatic weather observation station land station which provides vertical (AWOS) or automatic surface observation guidance to aircraft during approach to station (ASOS). A land station located landing. at an airport and used to automati- Instrument landing system (ILS). A cally transmit weather information to radionavigation system which provides aircraft. aircraft with horizontal and vertical Aviation service organization. Any guidance just before and during landing business firm which maintains facili- and, at certain fixed points, indicates ties at an airport for the purposes of the distance to the reference point of one or more of the following general landing. aviation activities: (a) Aircraft fueling; Instrument landing system glide path. A (b) aircraft services (e.g. parking, stor- system of vertical guidance embodied age, tie-downs); (c) aircraft mainte- in the instrument landing system nance or sales; (d) electronics equip- which indicates the vertical deviation ment maintenance or sales; (e) aircraft of the aircraft from its optimum path rental, air taxi service or flight in- of descent. structions; and (f) baggage and cargo Instrument landing system localizer. A handling, and other passenger or system of horizontal guidance em- freight services. bodied in the instrument landing sys- tem which indicates the horizontal de- Aviation services. Radio-communica- viation of the aircraft from its opti- tion services for the operation of air- mum path of descent along the axis of craft. These services include aero- the runway or along some other path nautical fixed service, aeronautical when used as an offset. mobile service, aeronautical radio- Land station. A station in the mobile determination service, and secondarily, service not intended to be used while in the handling of public correspondence motion. on frequencies in the maritime mobile Localizer station. A radionavigation and maritime mobile satellite services land station which provides horizontal to and from aircraft. guidance to aircraft with respect to a An aero- Aviation support station. runway center line. nautical station used to coordinate Marker beacon station. A radio- aviation services with aircraft and to navigation land station in the aero- communicate with aircraft engaged in nautical radionavigation service which unique or specialized activities. (See employs a marker beacon. A marker subpart K) beacon is a transmitter which radiates Civil Air Patrol station. A station used vertically a distinctive pattern for pro- exclusively for communications of the viding position information to aircraft. Civil Air Patrol. Mean power (of a radio transmitter). Emergency locator transmitter (ELT). A The average power supplied to the an- transmitter of an aircraft or a survival tenna transmission line by a trans- craft actuated manually or automati- mitter during an interval of time suffi- cally that is used as an alerting and lo- ciently long compared with the lowest cating aid for survival purposes. frequency encountered in the modula- Emergency locator transmitter (ELT) tion taken under normal operating test station. A land station used for conditions. testing ELTs or for training in the use Microwave landing system. An instru- of ELTs. ment landing system operating in the Expendable Launch Vehicle (ELV). A microwave spectrum that provides lat- booster rocket that can be used only eral and vertical guidance to aircraft once to launch a payload, such as a having compatible avionics equipment. missile or space vehicle. Mobile service. A radiocommunication Flight test aircraft station. An aircraft service between mobile and land sta- station used in the testing of aircraft tions, or between mobile stations. A or their major components. mobile station is intended to be used 198 VerDate 0ct<31>2002 10:08 Dec 13, 2002 Jkt 197192 PO 00000 Frm 00198 Fmt 8010 Sfmt 8010 Y:\SGML\197192T.XXX 197192T Federal Communications Commission § 87.5 while in motion or during halts at un- eters, by means of the propagation of specified points. radio waves. A station in this service is Operational fixed station. A fixed sta- called a radiodetermination station. tion, not open to public correspond- Radiolocation service. A radio- ence, operated by and for the sole use determination service for the purpose of persons operating their own of radiolocation. Radiolocation is the radiocommunication facilities in the use of radiodetermination for purposes public safety, industrial, land transpor- other than those of radionavigation. tation, marine, or aviation services. Peak envelope power (of a radio trans- Radionavigation land test stations. A mitter). The average power supplied to radionavigation land station which is the antenna transmission line by a used to transmit information essential transmitter during one radio frequency to the testing and calibration of air- cycle at the crest of the modulation en- craft navigational aids, receiving velope taken under normal operating equipment, and interrogators at pre- conditions. determined surface locations. The Private aircraft station. A mobile sta- Maintenance Test Facility (MTF)
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