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   Home Page > Executive Branch > Code of Federal Regulations > Electronic Code
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                e-CFR Data is current as of October 1, 2007

   Title 47: Telecommunication

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PART 17—CONSTRUCTION, MARKING, AND LIGHTING OF ANTENNA STRUCTURES
   ___________________________________

   Section Contents
   
                       Subpart A—General Information

   § 17.1   Basis and purpose.
   § 17.2   Definitions.
   § 17.4   Antenna structure registration.
   § 17.5   Commission consideration of applications for station authorization.
   § 17.6   Responsibility of Commission licensees and permittees.
   
      Subpart B—Federal Aviation Administration Notification Criteria

   § 17.7   Antenna structures requiring notification to the FAA.
   § 17.8   Establishment of antenna farm areas.
   § 17.9   Designated antenna farm areas.
   § 17.10   Antenna structures over 304.80 meters (1,000 feet) in height.
   § 17.14   Certain antenna structures exempt from notification to the FAA.
   § 17.17   Existing structures.
   
  Subpart C—Specifications for Obstruction Marking and Lighting of Antenna
                                 Structures

   § 17.21   Painting and lighting, when required.
   § 17.22   Particular specifications to be used.
   § 17.23   Specifications for painting and lighting antenna structures.
   Aviation Red Obstruction Lighting [Reserved]
   §§ 17.24-17.43   [Reserved]
   § 17.45   Temporary warning lights.
   § 17.47   Inspection of antenna structure lights and associated control
   equipment.
   § 17.48   Notification of extinguishment or improper functioning of lights.
   § 17.49   Recording of antenna structure light inspections in the owner
   record.
   § 17.50   Cleaning and repainting.
   § 17.51   Time when lights should be exhibited.
   § 17.53   Lighting equipment and paint.
   § 17.54   Rated lamp voltage.
   § 17.56   Maintenance of lighting equipment.
   § 17.57   Report of radio transmitting antenna construction, alteration,
   and/or removal.
   § 17.58   Facilities to be located on land under the jurisdiction of the
   U.S. Forest Service or the Bureau of Land Management.
   ___________________________________

   Authority:   Secs. 4, 303, 48 Stat. 1066, 1082, as amended; 47 U.S.C. 154,
   303. Interpret or apply secs. 301, 309, 48 Stat. 1081, 1085 as amended; 47
   U.S.C. 301, 309.

Subpart A—General Information

   top

§ 17.1   Basis and purpose.

   top

   (a) The rules in this part are issued pursuant to the authority contained in
   Title  III  of  the Communications Act of 1934, as amended, which vest
   authority in the Federal Communications Commission to issue licenses to
   radio stations when it is found that the public interest, convenience, and
   necessity would be served thereby, and to require the painting, and/or
   illumination  of  antenna  structures if and when in its judgment such
   structures constitute, or there is reasonable possibility that they may
   constitute, a menace to air navigation.

   (b) The purpose of this part is to prescribe certain procedures for antenna
   structure  registration and standards with respect to the Commission's
   consideration of proposed antenna structures which will serve as a guide to
   antenna structure owners. The standards are referenced from two Federal
   Aviation Administration (FAA) Advisory Circulars.

   [ 61 FR 4362 , Feb. 6, 1996]

§ 17.2   Definitions.

   top

   (a) Antenna structure. The term antenna structure includes the radiating
   and/or receive system, its supporting structures and any appurtenances
   mounted thereon.

   (b)  An  antenna farm area is defined as a geographical location, with
   established boundaries, designated by the Federal Communications Commission,
   in which antenna towers with a common impact on aviation may be grouped.

   (c) Antenna structure owner. For the purposes of this part, an antenna
   structure owner is the individual or entity vested with ownership, equitable
   ownership, dominion, or title to the antenna structure. Notwithstanding any
   agreements made between the owner and any entity designated by the owner to
   maintain the antenna structure, the owner is ultimately responsible for
   compliance with the requirements of this part.

   (d) Antenna structure registration number. A unique number, issued by the
   Commission during the registration process, which identifies an antenna
   structure. Once obtained, this number must be used in all filings related to
   this structure.

   [ 32 FR 8813 , June 21, 1967, and  32 FR 11268 , Aug. 3, 1967, as amended at  39 FR 26157 , July 17, 1974;  61 FR 4362 , Feb. 6, 1996]

§ 17.4   Antenna structure registration.

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   (a) Effective July 1, 1996, the owner of any proposed or existing antenna
   structure that requires notice of proposed construction to the Federal
   Aviation Administration must register the structure with the Commission.
   This includes those structures used as part of stations licensed by the
   Commission for the transmission of radio energy, or to be used as part of a
   cable television head end system. If a Federal Government antenna structure
   is to be used by a Commission licensee, the structure must be registered
   with the Commission.

   (1) For a proposed antenna structure or alteration of an existing antenna
   structure, the owner must register the structure prior to construction or
   alteration.

   (2) For an existing antenna structure that had been assigned painting or
   lighting requirements prior to July 1, 1996, the owner must register the
   structure prior to July 1, 1998.

   (3) For a structure that did not originally fall under the definition of
   “antenna structure,” the owner must register the structure prior to hosting
   a Commission licensee.

   (b) Except as provided in paragraph (e) of this section, each owner must
   file  FCC  Form 854 with the Commission. Additionally, each owner of a
   proposed  structure referred to in paragraphs (a)(1) or (a)(3) of this
   section must submit a valid FAA determination of “no hazard.” In order to be
   considered valid by the Commission, the FAA determination of “no hazard”
   must not have expired prior to the date on which FCC Form 854 is received by
   the Commission. The height of the structure will include the highest point
   of the structure including any obstruction lighting or lighting arrester.

   (c)  If  an Environmental Assessment is required under §1.1307 of this
   chapter,  the  Bureau will address the environmental concerns prior to
   processing the registration.

   (d) If a final FAA determination of “no hazard” is not submitted along with
   FCC Form 854, processing of the registration may be delayed or disapproved.

   (e) If the owner of the antenna structure cannot file FCC Form 854 because
   it is subject to a denial of Federal benefits under the Anti-Drug Abuse Act
   of 1988, 21 U.S.C. 862, the first tenant licensee authorized to locate on
   the structure (excluding tenants that no longer occupy the structure) must
   register the structure using FCC Form 854, and provide a copy of the Antenna
   Structure Registration (FCC Form 854R) to the owner. The owner remains
   responsible for providing a copy of FCC Form 854R to all tenant licensees on
   the  structure  and for posting the registration number as required by
   paragraph (g) of this section.

   (f) The Commission shall issue, to the registrant, FCC Form 854R, Antenna
   Structure  Registration,  which  assigns  a  unique  Antenna Structure
   Registration Number. The structure owner shall immediately provide a copy of
   Form 854R to each tenant licensee and permittee.

   (g)  Except as described in paragraph (h) of this section, the Antenna
   Structure Registration Number must be displayed in a conspicuous place so
   that it is readily visible near the base of the antenna structure. Materials
   used  to  display  the  Antenna  Structure Registration Number must be
   weather-resistant and of sufficient size to be easily seen at the base of
   the antenna structure.

   (h) The owner is not required to post the Antenna Structure Registration
   Number in cases where a federal, state, or local government entity provides
   written notice to the owner that such a posting would detract from the
   appearance of a historic landmark. In this case, the owner must make the
   Antenna Structure Registration Number available to representatives of the
   Commission, the FAA, and the general public upon reasonable demand.

   [ 61 FR 4362 , Feb. 6, 1996]

§ 17.5   Commission consideration of applications for station authorization.

   top

   (a) Applications for station authorization, excluding services authorized on
   a geographic basis, are reviewed to determine whether there is a requirement
   that  the  antenna  structure  in question must be registered with the
   Commission.

   (b) If registration is required, the registrant must supply the structure's
   registration number upon request by the Commission.

   (c) If registration is not required, the application for authorization will
   be processed without further regard to this chapter.

   [ 61 FR 4362 , Feb. 6, 1996]

§ 17.6   Responsibility of Commission licensees and permittees.

   top

   (a) The antenna structure owner is responsible for maintaining the painting
   and  lighting  in accordance with this part. However, if a licensee or
   permittee authorized on an antenna structure is aware that the structure is
   not being maintained in accordance with the specifications set forth on the
   Antenna Structure Registration (FCC Form 854R) or the requirements of this
   part, or otherwise has reason to question whether the antenna structure
   owner is carrying out its responsibility under this part, the licensee or
   permittee must take immediate steps to ensure that the antenna structure is
   brought into compliance and remains in compliance. The licensee must:

   (1) Immediately notify the structure owner;

   (2) Immediately notify the site management company (if applicable);

   (3) Immediately notify the Commission; and,

   (4)  Make  a  diligent  effort to immediately bring the structure into
   compliance.

   (b) In the event of non-compliance by the antenna structure owner, the
   Commission may require each licensee and permittee authorized on an antenna
   structure to maintain the structure, for an indefinite period, in accordance
   with the Antenna Structure Registration (FCC Form 854R) and the requirements
   of this part.

   (c) If the owner of the antenna structure cannot file FCC Form 854 because
   it is subject to a denial of Federal benefits under the Anti-Drug Abuse Act
   of 1988, 21 U.S.C. 862, the first licensee authorized to locate on the
   structure must register the structure using FCC Form 854, and provide a copy
   of the Antenna Structure Registration (FCC Form 854R) to the owner. The
   owner remains responsible for providing a copy of FCC Form 854R to all
   tenant licensees on the structure and for posting the registration number as
   required by §17.4(g).

   [ 61 FR 4363 , Feb. 6, 1996]

Subpart B—Federal Aviation Administration Notification Criteria

   top

§ 17.7   Antenna structures requiring notification to the FAA.

   top

   A notification to the Federal Aviation Administration is required, except as
   set forth in §17.14, for any of the following construction or alteration:

   (a) Any construction or alteration of more than 60.96 meters (200 feet) in
   height above ground level at its site.

   (b) Any construction or alteration of greater height than an imaginary
   surface extending outward and upward at one of the following slopes:

   (1) 100 to 1 for a horizontal distance of 6.10 kilometers (20,000 feet) from
   the  nearest  point of the nearest runway of each airport specified in
   paragraph  (d) of this section with at least one runway more than 0.98
   kilometers (3,200 feet) in actual length, excluding heliports.

   (2) 50 to 1 for a horizontal distance of 3.05 kilometers (10,000 feet) from
   the  nearest  point of the nearest runway of each airport specified in
   paragraph (d) of this section with its longest runway no more than 0.98
   kilometers (3,200 feet) in actual length, excluding heliports.

   (3) 25 to 1 for a horizontal distance of 1.52 kilometers (5,000 feet) from
   the nearest point of the nearest landing and takeoff area of each heliport
   specified in paragraph (d) of this section.

   (c) When requested by the FAA, any construction or alteration that would be
   in an instrument approach area (defined in the FAA standards governing
   instrument approach procedures) and available information indicates it might
   exceed an obstruction standard of the FAA.

   (d)  Any  construction  or alteration on any of the following airports
   (including heliports):

   (1) An airport that is available for public use and is listed in the Airport
   Directory of the current Airman's Information Manual or in either the Alaska
   or Pacific Airman's Guide and Chart Supplement.

   (2)  An airport under construction, that is the subject of a notice or
   proposal on file with the Federal Aviation Administration, and except for
   military  airports,  it  is clearly indicated that the airport will be
   available for public use.

   (3) An airport that is operated by an armed force of the United States.

   Note: Consideration to aeronautical facilities not in existence at the time
   of the filing of the application for radio facilities will be given only
   when proposed airport construction or improvement plans are on file with the
   Federal Aviation Administration as of the filing date of the application for
   such radio facilities.

   [ 39 FR 7581 , Feb. 27, 1974, as amended at  39 FR 26157 , July 17, 1974;  42 FR 54823 , Oct. 11, 1977;  42 FR 57127 , Nov. 1, 1977]

§ 17.8   Establishment of antenna farm areas.

   top

   (a) Each antenna farm area will be established by an appropriate rulemaking
   proceeding, which may be commenced by the Commission on its own motion after
   consultation with the FAA, upon request of the FAA, or as a result of a
   petition filed by any interested person. After receipt of a petition from an
   interested person disclosing sufficient reasons to justify institution of a
   rulemaking proceeding, the Commission will request the advice of the FAA
   with respect to the considerations of menace to air navigation in terms of
   air safety which may be presented by the proposal. The written communication
   received from the FAA in response to the Commission's request shall be
   placed in the Commission's public rulemaking file containing the petition,
   and interested persons shall be allowed a period of 30 days within which to
   file statements with respect thereto. Such statements shall also be filed
   with  the  Administrator  of  the  FAA with proof of such filing to be
   established in accordance with §1.47 of this chapter. The Administrator of
   the FAA shall have a period of 15 days within which to file responses to
   such  statements. If the Commission, upon consideration of the matters
   presented to it in accordance with the above procedure, is satisfied that
   establishment of the proposed antenna farm would constitute a menace to air
   navigation for reasons of air safety, rulemaking proceedings will not be
   instituted. If rulemaking proceedings are instituted, any person filing
   comments therein which concern the question of whether the proposed antenna
   farm will constitute a menace to air navigation shall file a copy of the
   comments with the Administrator of the FAA. Proof of such filing shall be
   established in accordance with §1.47 of this chapter.

   (b) Nothing in this subpart shall be construed to mean that only one antenna
   farm area will be designated for a community. The Commission will consider
   on a case-by-case basis whether or not more than one antenna farm area shall
   be designated for a particular community.

   [ 32 FR 8813 , June 21, 1967, as amended at  32 FR 13591 , Sept. 28, 1967]

§ 17.9   Designated antenna farm areas.

   top

   The  areas  described  in the following paragraphs of this section are
   established as antenna farm areas [appropriate paragraphs will be added as
   necessary].

   [ 32 FR 8813 , June 21, 1967]

§ 17.10   Antenna structures over 304.80 meters (1,000 feet) in height.

   top

   Where one or more antenna farm areas have been designated for a community or
   communities  (see §17.9), the Commission will not accept for filing an
   application to construct a new station or to increase height or change
   antenna location of an existing station proposing the erection of an antenna
   structure over 304.80 meters (1,000 feet) above ground unless:

   (a) It is proposed to locate the antenna structure in a designated antenna
   farm area, or

   (b)  It  is  accompanied  by  a  statement  from  the Federal Aviation
   Administration that the proposed structure will not constitute a menace to
   air navigation, or

   (c)  It  is  accompanied by a request for waiver setting forth reasons
   sufficient, if true, to justify such a waiver.

   [ 32 FR 8813 , June 21, 1967, as amended at  42 FR 54824 , Oct. 11, 1977;  61 FR 4363 , Feb. 6, 1996]

§ 17.14   Certain antenna structures exempt from notification to the FAA.

   top

   A notification to the Federal Aviation Administration is not required for
   any of the following construction or alteration:

   (a) Any object that would be shielded by existing structures of a permanent
   and substantial character or by natural terrain or topographic features of
   equal or greater height, and would be located in the congested area of a
   city, town, or settlement where it is evident beyond all reasonable doubt
   that the structure so shielded will not adversely affect safety in air
   navigation. Applicant claiming such exemption under §17.14(a) shall submit a
   statement with their application to the FCC explaining basis in detail for
   their finding.

   (b) Any antenna structure of 6.10 meters (20 feet) or less in height except
   one that would increase the height of another antenna structure.

   (c) Any air navigation facility, airport visual approach or landing aid,
   aircraft arresting device, or meteorological device, of a type approved by
   the Administrator of the Federal Aviation Administration, the location and
   height of which is fixed by its functional purpose.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  39 FR 7581 , Feb. 27, 1974;  42 FR 54824 , Oct. 11, 1977;  61 FR 4363 , Feb. 6, 1996]

§ 17.17   Existing structures.

   top

   (a) The requirements found in §17.23 relating to painting and lighting of
   antenna structures shall not apply to those structures authorized prior to
   July 1, 1996. Previously authorized structures may retain their present
   painting and lighting specifications, so long as the overall structure
   height or site coordinates do not change. The Antenna Structure Registration
   requirements found in §17.5, however, shall apply to all antenna structures
   that have been assigned painting or lighting requirements by the Commission,
   regardless of prior authorization.

   (b) No change in any of these criteria or relocation of airports shall at
   any time impose a new restriction upon any then existing or authorized
   antenna structure or structures.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  61 FR 4363 , Feb. 6, 1996]

Subpart C—Specifications for Obstruction Marking and Lighting of Antenna
Structures

   top

§ 17.21   Painting and lighting, when required.

   top

   Antenna structures shall be painted and lighted when:

   (a) They exceed 60.96 meters (200 feet) in height above the ground or they
   require special aeronautical study.

   (b) The Commission may modify the above requirement for painting and/or
   lighting of antenna structures, when it is shown by the applicant that the
   absence of such marking would not impair the safety of air navigation, or
   that a lesser marking requirement would insure the safety thereof.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  42 FR 54824 , Oct. 11, 1977]

§ 17.22   Particular specifications to be used.

   top

   Whenever painting or lighting is required, the Commission will generally
   assign  specifications  in  accordance with the FAA Advisory Circulars
   referenced in §17.23. If an antenna installation is of such a nature that
   its  painting and lighting in accordance with these specifications are
   confusing,  or  endanger  rather  than assist airmen, or are otherwise
   inadequate, the Commission will specify the type of painting and lighting or
   other marking to be used in the individual situation.

   [ 32 FR 11269 , Aug. 3, 1967, as amended at  61 FR 4363 , Feb. 6, 1996]

§ 17.23   Specifications for painting and lighting antenna structures.

   top

   Unless otherwise specified by the Commission, each new or altered antenna
   structure to be registered on or after January 1, 1996, must conform to the
   FAA's painting and lighting recommendations set forth on the structure's FAA
   determination of “no hazard,” as referenced in the following FAA Advisory
   Circulars: AC 70/7460–1J, “Obstruction Marking and Lighting,” effective
   January  1,  1996, and AC 150/5345–43E, “Specification for Obstruction
   Lighting  Equipment,”  dated  October  19,  1995.  These documents are
   incorporated by reference in accordance with 5 U.S.C. 552(a). The documents
   contain FAA recommendations for painting and lighting structures which pose
   a  potential  hazard to air navigation. For purposes of this part, the
   specifications,  standards,  and  general requirements stated in these
   documents are mandatory. The Advisory Circulars listed are available for
   inspection at the Commission Headquarters in Washington, DC, or may be
   obtained  from  Department of Transportation, Property Use and Storage
   Section, Subsequent Distribution Office, M483.6, Ardmore East Business
   Center, 3341 Q 75th Avenue, Landover, MD 20785, telephone (301) 322–4961,
   facsimile (301) 386–5394. Copies are also available for public inspection at
   the National Archives and Records Administration (NARA). For information on
   the availability of this material at NARA, call 202–741–6030, or go to:
   http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_loc
   ations.html. 

   [ 64 FR 27474 , May 20, 1999, as amended at  69 FR 18803 , Apr. 9, 2004]

Aviation Red Obstruction Lighting [Reserved]

   top

§§ 17.24-17.43   [Reserved]

   top

§ 17.45   Temporary warning lights.

   top

   During construction of an antenna structure, for which red obstruction
   lighting is required, at least two 116- or 125-watt lamps (A21/TS) enclosed
   in  aviation  red  obstruction light globes, shall be installed at the
   uppermost point of the structure. The intensity of each lamp shall not be
   less than 32.5 candelas. In addition, as the height of the structure exceeds
   each level at which permanent obstruction lights will be required, two
   similar  lights shall be installed at each such level. These temporary
   warning lights shall be displayed nightly from sunset to sunrise until the
   permanent obstruction lights have been installed and placed in operation,
   and shall be positioned so as to insure unobstructed visibility of at least
   one  of  the lights at any normal angle of approach. If practical, the
   permanent obstruction lights may be installed and operated at each required
   level as construction progresses.

   [ 32 FR 11273 , Aug. 3, 1967, as amended at  39 FR 26157 , July 17, 1974;  42 FR 54826 , Oct. 11, 1977]

§ 17.47   Inspection of antenna structure lights and associated control
equipment.

   top

   The owner of any antenna structure which is registered with the Commission
   and has been assigned lighting specifications referenced in this part:

   (a)(1) Shall make an observation of the antenna structure's lights at least
   once each 24 hours either visually or by observing an automatic properly
   maintained indicator designed to register any failure of such lights, to
   insure  that  all such lights are functioning properly as required; or
   alternatively,

   (2) Shall provide and properly maintain an automatic alarm system designed
   to detect any failure of such lights and to provide indication of such
   failure to the owner.

   (b) Shall inspect at intervals not to exceed 3 months all automatic or
   mechanical control devices, indicators, and alarm systems associated with
   the antenna structure lighting to insure that such apparatus is functioning
   properly.

   [ 61 FR 4363 , Feb. 6, 1996]

§ 17.48   Notification of extinguishment or improper functioning of lights.

   top

   The owner of any antenna structure which is registered with the Commission
   and has been assigned lighting specifications referenced in this part:

   (a) Shall report immediately by telephone or telegraph to the nearest Flight
   Service  Station  or office of the Federal Aviation Administration any
   observed or otherwise known extinguishment or improper functioning of any
   top steady burning light or any flashing obstruction light, regardless of
   its position on the antenna structure, not corrected within 30 minutes. Such
   reports  shall  set  forth  the  condition of the light or lights, the
   circumstances which caused the failure, the probable date for restoration of
   service, the FCC Antenna Structure Registration Number, the height of the
   structure  (AGL  and  AMSL if known) and the name, title, address, and
   telephone number of the person making the report. Further notification by
   telephone or telegraph shall be given immediately upon resumption of normal
   operation of the light or lights.

   (b) An extinguishment or improper functioning of a steady burning side
   intermediate light or lights, shall be corrected as soon as possible, but
   notification to the FAA of such extinguishment or improper functioning is
   not required.

   [ 32 FR 11273 , Aug. 3, 1967, as amended at  39 FR 26157 , July 17, 1974;  40 FR 30267 , July 18, 1975;  61 FR 4364 , Feb. 6, 1996]

§ 17.49   Recording of antenna structure light inspections in the owner record.

   top

   The owner of each antenna structure which is registered with the Commission
   and has been assigned lighting specifications referenced in this part must
   maintain a record of any observed or otherwise known extinguishment or
   improper  functioning  of  a structure light and include the following
   information for each such event:

   (a) The nature of such extinguishment or improper functioning.

   (b) The date and time the extinguishment or improper operation was observed
   or otherwise noted.

   (c) Date and time of FAA notification, if applicable.

   (d) The date, time and nature of adjustments, repairs, or replacements made.

   [ 48 FR 38477 , Aug. 24, 1983, as amnded at  61 FR 4364 , Feb. 6, 1996]

§ 17.50   Cleaning and repainting.

   top

   Antenna structures requiring painting under this part shall be cleaned or
   repainted as often as necessary to maintain good visibility.

   [ 61 FR 4364 , Feb. 6, 1996]

§ 17.51   Time when lights should be exhibited.

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   (a) All red obstruction lighting shall be exhibited from sunset to sunrise
   unless otherwise specified.

   (b) All high intensity and medium intensity obstruction lighting shall be
   exhibited continuously unless otherwise specified.

   [ 40 FR 30267 , July 18, 1975, as amended at  61 FR 4364 , Feb. 6, 1996]

§ 17.53   Lighting equipment and paint.

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   The lighting equipment, color or filters, and shade of paint referred to in
   the specifications are further defined in the following government and/or
   Army-Navy aeronautical specifications, bulletins, and drawings (lamps are
   referred to by standard numbers):

   Outside white TT-P-102^1(Color No. 17875, FS-595).
   Aviation surface orange TT-P-59^1(Color No. 12197, FS-595).
   Aviation surface orange, enamel TT-E-489^1(Color No. 12197, FS-595).
   Aviation red obstruction light—color MIL-C-25050^2.
   Flashing beacons CAA-446^3Code Beacons, 300 mm.
       Do MIL-6273^2.
   Double and single obstruction light L-810^3(FAA AC No. 150/5345-2^4).
       Do MIL-L-7830^2.
   High intensity white obstruction light FAA/DOD L-856 (FAA AC No.
   150/5345-43B^4).
   116-Watt lamp No. 116 A21/TS (6,000 h).
   125-Watt lamp No. 125 A21/TS (6,000 h).
   620-Watt lamp No. 620 PS-40 (3,000 h).
   700-Watt lamp No. 700 PS-40 (6,000 h).

   ^1Copies  of this specification can be obtained from the Specification
   Activity, Building 197, Room 301, Naval Weapons Plant, 1st and N Streets,
   SE., Washington, D.C. 20407.

   ^2Copies  of Military specifications can be obtained by contacting the
   Commanding Officer, Naval Publications and Forms Center, 5801 Tabor Ave.,
   Attention: NPPC-105, Philadelphia, Pa. 19120.

   ^3Copies of Federal Aviation Administration specifications may be obtained
   from  the  Chief, Configuration Control Branch, AAF–110, Department of
   Transportation, Federal Aviation Administration, 800 Independence Avenue
   SW., Washington, D.C. 20591.

   ^4Copies  of Federal Aviation Administration advisory circulars may be
   obtained  from the Department of Transportation, Publications Section,
   TAD–443.1, 400 7th St. SW., Washington, D.C. 20590.

   [ 33 FR 11540 , Aug. 14, 1968, as amended at  40 FR 30267 , July 18, 1975]

§ 17.54   Rated lamp voltage.

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   To  insure the necessary lumen output by obstruction lights, the rated
   voltage of incandescent lamps used shall correspond to be within 3 percent
   higher than the voltage across the lamp socket during the normal hours of
   operation.

   [ 42 FR 54826 , Oct. 11, 1977]

§ 17.56   Maintenance of lighting equipment.

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   (a) Replacing or repairing of lights, automatic indicators or automatic
   control or alarm systems shall be accomplished as soon as practicable.

   (b) The flash tubes in a high intensity obstruction lighting system shall be
   replaced whenever the peak effective daytime intensity falls below 200,000
   candelas.

   [ 40 FR 30267 , July 18, 1975]

§ 17.57   Report of radio transmitting antenna construction, alteration, and/or
removal.

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   The  owner  of  an  antenna  structure  for which an Antenna Structure
   Registration Number has been obtained must notify the Commission within 24
   hours of completion of construction (FCC Form 854–R) and/or dismantlement
   (FCC Form 854). The owner must also immediately notify the Commission using
   FCC Form 854 upon any change in structure height or change in ownership
   information.

   [ 61 FR 4364 , Feb. 6, 1996]

§ 17.58   Facilities to be located on land under the jurisdiction of the U.S.
Forest Service or the Bureau of Land Management.

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   Any application proposing new or modified transmitting facilities to be
   located on land under the jurisdiction of the U.S. Forest Service or the
   Bureau of Land Management shall include a statement that the facilities will
   be so located, and the applicant shall comply with the requirements of §1.70
   of this chapter.

   [ 32 FR 11274 , Aug. 3, 1967]
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