Federal Aviation Administration, DOT Section 171.75 work and adjustments made, equipment failures, causes (if determined), and corrective action taken. The owner shall keep the original of each report at the facility and send a copy to the appropriate Regional Office of the FAA at the end of each month in which it is prepared. (c) Radio equipment operation record (Form FAA-418). To contain a complete record of meter readings, recorded on each scheduled visit to the facility. The owner shall keep the original of each month-s record at the facility and send a copy of it to the appropriate Regional Office of the FAA. [Doc. No. 5034, 29 FR 11337, Aug. 6, 1964, as amended by Amdt. 171-5, 34 FR 15245, Sept. 30, 1969; Amdt. 171-10, 40 FR 36110, Aug. 19, 1975] Subpart D - True Lights Section 171.61 Air navigation certificate: Revocation and termination. (a) Except as provided in paragraph (b) of this section, each air navigation certificate of - Lawful Authority to Operate a True Light - is hereby revoked, and each application therefor is hereby terminated. (b) Paragraph (a) of this section does not apply to - (1) A certificate issued to a FederalAid Airport Program sponsor who was required to apply for that certificate under regulations then in effect, and who has not surrendered that certificate under Section 151.86(e) of this chapter; or (2) An application made by a FederalAid Airport Program sponsor who was required to make that application under regulations then in effect, and who has not terminated that application under Section 151.86(e) of this chapter. (49 U.S.C. 1101-1120; sec. 307, 72 Stat. 749, 49 U.S.C. 1348) [Amdt. 171-4, 33 FR 12545, Sept. 5, 1968] Subpart E - General Section 171.71 Materials incorporated by reference. Copies of standards, recommended practices and documents incorporated by reference in this part are available for the use of interested persons at any FAA Regional Office and FAA Head- quarters. An historical file of these materials is maintained at Headquarters, Federal Aviation Administration, 800 Independence Avenue SW., Washington, DC 20590. [Amdt. 171-8, 36 FR 5584, Mar. 25, 1971] Section 171.73 Alternative forms of reports. On a case-by-case basis, a Regional Administrator may accept any report in a format other than the FAA form required by this part if he is satisfied that the report contains all the information required on the FAA form and can be processed by FAA as conveniently as the FAA form. (49 U.S.C. 1348) [Amdt. 171-5, 34 FR 15245, Sept. 30, 1969, as amended by Amdt. 171-15, 54 FR 39296, Sept. 25, 1989] Section 171.75 Submission of requests. (a) Requests for approval of facilities not having design and operational characteristics identical to those of facilities currently approved under this part, including requests for deviations from this part for such facilities, must be submitted to the Director, Advanced Systems Design Service. (b) The following requests must be submitted to the Regional Administrator of the region in which the facility is located: (1) Requests for approval of facilities that have design and operational characteristics identical to those of facilities currently approved under this part, including requests for deviations from this part for such facilities. (2) Requests for deviations from this part for facilities currently approved under this part. (3) Requests for modification of facilities currently approved under this part. [Amdt. 171-7, 35 FR 12711, Aug. 11, 1970, as amended by Amdt. 171-15, 54 FR 39296, Sept. 25, 1989] Subpart F - Simplified Directional Facility (SDF) SOURCE: Docket No. 10116, 35 FR 12711, Aug. 11, 1970, unless otherwise noted. 815 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00825 Fmt 8010 Sfmt 8010 Y:\SGML\247048.XXX 247048