There already are such regulations on the way. The European Aviation Safety Agency and the FAA are both likely to start airlines switching over to 90 day batter

There already are such regulations on the way. The European Aviation Safety Agency and the FAA are both likely to start airlines switching over to 90 day batteries within a year or two. The EASA is also looking at increasing the range of the locator ping (by adding an additional lower frequency pinger for planes that do long trans-oceanic flights, I think), and extending the voice recording time from 2 hours to 15 hours - perhaps the FAA is planning something similar. http://www.flightglobal.com/news/articles/mh370-loss-coincides-with-drive-to-improve-locators-397398/ http://www.flightglobal.com/news/articles/mh370-loss-coincid... http://www.newscientist.com/article/mg22229634.500-five-ways-to-make-sure-we-never-lose-a-plane-again.html http://www.newscientist.com/article/mg22229634.500-five-ways...