Federal Communications Commission § 87.5

Home , Aeronautical station, Aircraft earth station, Land station, Marker beacon, Survival craft station

notification process that must be com- bile earth stations are located on board pleted before filing certain antenna aircraft. structure registration applications. Aeronautical mobile service. A mobile (f) Part 80 contains rules for the mar- service between aeronautical stations itime services. Certain maritime fre- and aircraft stations, or between air- quencies are available for use by aircraft stations, in which survival craft craft stations for distress and safety, stations may also participate; emer- public correspondence and operational gency position-indicating radiobeacon communications. stations may also participate in this service on designated distress and [53 FR 28940, Aug. 1, 1988, as amended at 77 emergency frequencies. FR 3955, Jan. 26, 2012] Aeronautical multicom station. An § 87.5 Definitions. aeronautical station used to provide communications to conduct the activi- Aeronautical advisory station (unicom). ties being performed by, or directed An aeronautical station used for advi- from, private aircraft. sory and civil defense communications Aeronautical radionavigation service. A primarily with private aircraft sta- radionavigation service intended for tions. the benefit and for the safe operation Aeronautical enroute station. An aero- of aircraft. nautical station which communicates Aeronautical search and rescue station. with aircraft stations in flight status An aeronautical station for commu- or with other aeronautical enroute sta- nication with aircraft and other aero- tions. nautical search and rescue stations Aeronautical fixed service. A pertaining to search and rescue activi- radiocommunication service between ties with aircraft. specified fixed points provided pri- Aeronautical station. A land station in marily for the safety of air navigation the aeronautical mobile service. In cer- and for the regular, efficient and eco- tain instances an aeronautical station nomical operation of air transport. A may be located, for example, on board station in this service is an aero- ship or on a platform at sea. nautical fixed station. Aeronautical utility mobile station. A Aeronautical Mobile Off-Route (OR) mobile station used on airports for Service. An aeronautical mobile service communications relating to vehicular intended for communications, includ- ground traffic. ing those relating to flight coordina- Air carrier aircraft station. A mobile tion, primarily outside national or station on board an aircraft which is international civil air routes.(RR) engaged in, or essential to, the trans- 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

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transmissions from aircraft, supporting Expendable Launch Vehicle (ELV). A aircraft-to-aircraft or aircraft-to- booster rocket that can be used only ground surveillance applications, in- once to launch a payload, such as a cluding position reports, velocity vec- missile or space vehicle. tor, intent and other relevant informa- Flight Information Service-Broadcast tion about the aircraft. (FIS-B). A broadcast service provided Automatic terminal information service- for the purpose of giving advice and in- broadcast (ATIS-B). The automatic pro- formation useful for the safe and effi- vision of current, routine information cient conduct of flights. to arriving and departing aircraft Flight test aircraft station. An aircraft throughout a 24-hour period or a speci- station used in the testing of aircraft fied portion thereof. or their major components. Automatic weather observation station Flight test land station. An aero- (AWOS) or automatic surface observation nautical station used in the testing of station (ASOS). A land station located aircraft or their major components. at an airport and used to automati- Glide path station. A radionavigation cally transmit weather information to land station which provides vertical aircraft. guidance to aircraft during approach to Aviation service organization. Any landing. business firm which maintains facili- Instrument landing system (ILS). A ties at an airport for the purposes of radionavigation system which provides one or more of the following general aircraft with horizontal and vertical aviation activities: (a) Aircraft fueling; guidance just before and during landing (b) aircraft services (e.g. parking, stor- and, at certain fixed points, indicates age, tie-downs); (c) aircraft mainte- the distance to the reference point of nance or sales; (d) electronics equip- landing. ment maintenance or sales; (e) aircraft Instrument landing system glide path. A rental, air taxi service or flight in- system of vertical guidance embodied structions; and (f) baggage and cargo in the instrument landing system handling, and other passenger or which indicates the vertical deviation freight services. of the aircraft from its optimum path Aviation services. Radio-communica- of descent. tion services for the operation of air- Instrument landing system localizer. A craft. These services include aero- system of horizontal guidance em- nautical fixed service, aeronautical bodied in the instrument landing sys- mobile service, aeronautical radio- tem which indicates the horizontal de- determination service, and secondarily, viation of the aircraft from its opti- the handling of public correspondence mum path of descent along the axis of 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 time suffi- of ELTs. ciently long compared with the lowest

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frequency encountered in the modula- bile station to determine its bearing or tion taken under normal operating direction in relation to the radiobeacon conditions. station. Microwave landing system. An instru- Radiodetermination service. A ment landing system operating in the radiocommuncation service which uses microwave spectrum that provides lat- radiodetermination. Radiodetermin- eral and vertical guidance to aircraft ation is the determination of the posi- having compatible avionics equipment. tion, velocity and/or other characteris- Mobile service. A radiocommunication tics of an object, or the obtaining of in- service between mobile and land sta- formation relating to these param- tions, or between mobile stations. A eters, by means of the propagation of mobile station is intended to be used radio waves. A station in this service is while in motion or during halts at un- called a radiodetermination station. specified points. Radiolocation service. A radio- Operational fixed station. A fixed sta- determination service for the purpose tion, not open to public correspond- of radiolocation. Radiolocation is the ence, operated by and for the sole use use of radiodetermination for purposes of persons operating their own other than those of radionavigation. radiocommunication facilities in the Radionavigation land test stations. A public safety, industrial, land transpor- radionavigation land station which is tation, marine, or aviation services. used to transmit information essential Peak envelope power (of a radio trans- to the testing and calibration of air- mitter). The average power supplied to craft navigational aids, receiving the antenna transmission line by a equipment, and interrogators at pre- transmitter during one radio frequency determined surface locations. The cycle at the crest of the modulation en- Maintenance Test Facility (MTF) is velope taken under normal operating used primarily to permit maintenance conditions. testing by aircraft radio service per- Private aircraft station. A mobile sta- sonnel. The Operational Test Facility tion on board an aircraft not operated as an air carrier. A station on board an (OTF) is used primarily to permit the air carrier aircraft weighing less than pilot to check a radionavigation sys- 12,500 pounds maximum certified take- tem aboard the aircraft prior to takeoff gross weight may be licensed as a off. private aircraft station. Radionavigation service. A radio- Racon station. A radionavigation land determination service for the purpose station which employs a racon. A racon of radionavigation. Radionavigation is (radar beacon) is a transmitter-re- the use of radiodetermination for the ceiver associated with a fixed naviga- purpose of navigation, including ob- tional mark, which when triggered by a struction warning. radar, automatically returns a distinc- Re-usable launch vehicle (RLV). A tive signal which can appear on the dis- booster rocket that can be recovered play of the triggering radar, providing after launch, refurbished and re- range, bearing and identification infor- launched. mation. Surveillance radar station. A radio- Radar. A radiodetermination system navigation land station in the aero- based upon the comparison of reference nautical radionavigation service em- signals with radio signals reflected, or ploying radar to display the presence of re-transmitted, from the position to be aircraft within its range. determined. Survival craft station. A mobile sta- Radio altimeter. Radionavigation tion in the maritime or aeronautical equipment, on board an aircraft or mobile service intended solely for sur- spacecraft, used to determine the vival purposes and located on any life- height of the aircraft or spacecraft boat, life raft or other survival equip- above the Earth’s surface or another ment. surface. Traffic information services—broadcast Radiobeacon station. A station in the (TIS–B). Traffic information broadcasts radionavigation service the emissions derived from ground-based radar sys- of which are intended to enable a mo- tems.

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Universal access transceiver (UAT). A § 87.19 Basic eligibility. radio datalink system authorized to (a) General. Foreign governments or operate on the frequency 978 MHz to their representatives cannot hold sta- support Automatic Dependent Surveil- tion licenses. lance—Broadcast (ADS–B) Service, (b) Aeronautical enroute and aero- Traffic Information Services—Broad- nautical fixed stations. The following cast (TIS–B) and Flight Information persons cannot hold an aeronautical Service—Broadcast (FIS–B). enroute or an aeronautical fixed sta- VHF Omni directional range station tion license. (VOR). A radionavigation land station (1) Any alien or the representative of in the aeronautical radionavigation any alien; service providing direct indication of (2) Any corporation organized under the bearing (omni-bearing) of that sta- the laws of any foreign government; tion from an aircraft. (3) Any corporation of which more [53 FR 28940, Aug. 1, 1988, as amended at 54 than one-fifth of the capital stock is FR 11719, Mar. 22, 1989; 54 FR 49995, Dec. 4, owned of record or voted by aliens or 1989; 55 FR 4175, Feb. 7, 1990; 57 FR 45749, Oct. their representatives or by a foreign 5, 1992; 64 FR 27474, May 20, 1999; 69 FR 32879, government or its representative, or by June 14, 2004; 71 FR 70676, Dec. 6, 2006] a corporation organized under the laws of a foreign country; or Subpart B—Applications and (4) Any corporation directly or indi- Licenses rectly controlled by any other corporation of which more than one-fourth of § 87.17 Scope. the capital stock is owned of record or voted by aliens, their representatives, Part 1 of the Commission’s rules con- or by a foreign government or its rep- tains the general rules of practice and resentatives, or by any corporation or- procedure applicable to proceedings be- ganized under the laws of a foreign fore the Commission and for the filing country, if the Commission finds that of applications for radio station li- the public interest will be served by censes in the aviation services. Specific the refusal or revocation of such li- guidance for each type of radio service cense. license in aviation services is set forth in this part. [53 FR 28940, Aug. 1, 1988, as amended at 61 FR 55581, Oct. 28, 1996] [63 FR 68957, Dec. 14, 1998] § 87.25 Filing of applications. § 87.18 Station license required. (a) [Reserved] (a) Except as noted in paragraph (b) (b) An application must be filed with of this section, stations in the aviation the Commission in accordance with service must be licensed by the FCC ei- part 1, subpart F of this chapter. Appli- ther individually or by fleet. cations requiring fees as set forth at (b) An aircraft station is licensed by part 1, subpart G of this chapter must rule and does not need an individual li- be filed in accordance with § 0.401(b) of cense issued by the FCC if the aircraft the rules. station is not required by statute, trea- (c) One application may be submitted ty, or agreement to which the United for the total number of aircraft sta- States is signatory to carry a radio, tions in the fleet (fleet license). and the aircraft station does not make (d) One application for aeronautical international flights or communica- land station license may be submitted tions. Even though an individual li- for the total number of stations in the cense is not required, an aircraft sta- fleet. tion licensed by rule must be operated (e) One application for modification in accordance with all applicable oper- or transfer of control may be sub- ating requirements, procedures, and mitted for two or more stations when the individual stations are clearly technical specifications found in this identified and the following elements part. are the same for all existing or re- [61 FR 58011, Nov. 12, 1996] quested station licenses involved:

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