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47 CFR 90.423 - Operation on board aircraft.

There are 7 Updates appearing in the Federal Register for 47 CFR 90. Select the tab below to view, or View eCFR (GPOAccess)
§ 90.423
Operation on board aircraft.
(a) Except as provided in paragraphs (b), (c), and (d) of this section, and except as may be provided in other sections of this part with respect to operation on specific frequencies, mobile stations first authorized after September 14, 1973, under this part may be operated aboard aircraft for air-to-mobile, air-to-base, air-to-air and air-to-ship communications subject to the following:
(1) Operations are limited to aircraft that are regularly flown at altitudes below 1.6 km (1 mi) above the earth's surface;
(2) Transmitters are to operate with an output power not to exceed ten watts;
(3) Operations are secondary to land-based systems;
(4) Such other conditions, including additonal reductions of altitude and power limitations, as may be required to minimize the interference potential to land-based systems.
(b) Exceptions to the altitude and power limitations set forth in paragraph (a) of this section may be authorized upon a showing of unusual operational requirements which justify departure from those standards, provided that the interference potential to regular land-based operations would not be increased.
(c) Mobile operations aboard aircraft in the services governed by this part, under licenses in effect September 14, 1973, may be continued without regard to provisions of paragraph (a) of this section, as follows:
(1) Operations may be continued only for the balance of the term of such licenses if aircraft involved are regularly flown at altitudes greater than 1.6 km (1 mi) above the earth's surface.
(2) Operations may be continued for one additional renewal license term if the aircraft involved are regularly flown at altitudes below 1.6 km (1 mi) above the earth's surface.
(d) Operation of radiolocation mobile stations may be authorized without regard to limitations and conditions set forth in paragraphs (a), (b), and (c) of this section.
[43 FR 54791, Nov. 22, 1978, as amended at 58 FR 44960, Aug. 25, 1993]

Title 47 published on 2012-10-01

The following are only the Rules published in the Federal Register after the published date of Title 47.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-04-23; vol. 78 # 78 - Tuesday, April 23, 2013
    1. 78 FR 23855 - Improving Public Safety Communications in the 800 MHz Band; New 800 MHz Band Plan for U.S.-Mexico Sharing Zone
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      FEDERAL COMMUNICATIONS COMMISSION
      Final rule.
      Effective June 24, 2013.
      47 CFR Part 90

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
USC : Title 5 - GOVERNMENT ORGANIZATION AND EMPLOYEES

§ 553 - Rule making

USC : Title 47 - TELEGRAPHS, TELEPHONES, AND RADIOTELEGRAPHS

§ 251 - Interconnection

§ 252 - Procedures for negotiation, arbitration, and approval of agreements

§ 307 - Licenses

§ 309 - Application for license

§ 337 - Allocation and assignment of new public safety services licenses and commercial licenses

Title 47 published on 2012-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 47 CFR 90 after this date.

  • 2013-04-24; vol. 78 # 79 - Wednesday, April 24, 2013
    1. 78 FR 24138 - Implementing Public Safety Broadband Provisions of the Middle Class Tax Relief and Job Creation Act of 2012
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      FEDERAL COMMUNICATIONS COMMISSION
      Proposed rule.
      Submit comments on or before May 24, 2013. Submit reply comments on or before June 10, 2013.
      47 CFR Parts 1, 2, 27 and 90