The frequencies indicated in Sec. 87.287 of this chapter may be used to test aircraft data link systems on a secondary basis to other licensed stations. Equipment must be designed so that it will engage in data link exchange only with the aircraft whose identification has been programmed into the device, and must comply with the applicable specifications for VDL Mode 2 operation set forth in the ICAO ``Manual on VHF Digital Link (VDL) Mode 2'' First Edition-2001, and RTCA DO-281A,'' Minimum Operational Performance Standards for Aircraft VDL Mode 2 Physical, Link and Network Layer'', November 8, 2005. These documents are incorporated by reference in accordance with 5 U.S.C. 552(a), and 1 CFR part 51 and approved by the Director of the Federal Register. The RTCA document is available and may be obtained from RTCA, Inc., 1828 L Street NW., Suite 805, Washington, DC 20036 and by email to info@rtca.org or go to http://RTCA.org. The ICAO document is available and may be obtained from the ICAO, Customer Services Unit, 999 University Street, Montr[eacute]al, Quebec H3C 5H7, Canada, by email to icaohq@icao.int or go to: http://www.ICAO.int. You may inspect a copy at the Federal Communications Commission, 445 12th Street SW., Washington, DC 20554, or 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--locations.html. [78 FR 61207, Oct. 3, 2013]