sets of CVDR systems, with the second CVDR set being "deployable or ejectable". The "deployable" recorder combines the cockpit voice/flight data recorders and an emergency locator transmitter (ELT) in a single unit. The "deployable" unit would depart the aircraft before impact, activated by sensors. The unit is designed to "eject" and "fly" away from the crash site, to survive the terminal velocity of fall, to float on water indefinitely, and would be equipped with satellite technology for immediate location of crash impact site. The "deployable" CVDR technology has been used by the US Navy since 1993. While the recommendations would involve a massive, expensive retrofit program, government funding would meet cost objections from manufacturers and airlines. Operators would get both sets of recorders (including the currently-used fixed recorder) free of charge. The cost of the second "deployable/ejectable CVDR" (or "black box") was estimated at US$30 million for installation in 500 new aircraft (about $60,000 per new commercial plane). In the United States, the proposed SAFE Act calls for implementing the NTSB 1999 recommendations. However, so far the SAFE Act legislation has failed to pass Congress, having been introduced in 2003 (H.R. 2632), in 2005 (H.R. 3336), and in 2007 (H.R. 4336). Originally the "Safe Aviation Flight Enhancement (SAFE) Act of 2003" was introduced on June 26, 2003, by Congressman David Price (D-NC) and Congressman John Duncan (R-Tenn.) in a bipartisan effort to ensure investigators have access to information immediately following commercial accidents. On July 19, 2005, a revised SAFE Act was introduced and referred to the Committee on Transportation and Infrastructure of the US House of Representatives. The bill was referred to the House Subcommittee on Aviation during the 108th, 109th, and 110th Congresses. After Malaysia Airlines Flight 370 In the United States, on March 12, 2014, in response to the missing Malaysia Airlines Flight 370, David Price re-introduced the SAFE Act in the US House of Representatives. The disappearance of Malaysia Airlines Flight 370 demonstrated the limits of the contemporary flight recorder technology, namely how physical possession of the flight recorder device is necessary to help investigate the cause of an aircraft incident. Considering the advances of modern communication, technology commentators called for flight recorders to be supplemented or replaced by a system that provides "live streaming" of data from the aircraft to the ground. Furthermore, commentators called for the underwater locator beacon's range and battery life to be