"Flight Data Recorder Systems"(PDF). Federal Aviation Administration. April 10, 2007. Section 3 Point B. Archived(PDF) from the original on September 13, 2009. Retrieved April 8, 2010.
web.archive.org
"Flight Data Recorder Systems"(PDF). Federal Aviation Administration. April 10, 2007. Section 3 Point B. Archived(PDF) from the original on September 13, 2009. Retrieved April 8, 2010.