FAA is formally revoking standards used to build emergency locator transmitter (ELT) equipment that transmit via the 121.5 MHz frequency, a move largely expected since the internationally supported Cospas-Sarsat satellite system stopped processing such signals in 2009. The Cospas-Sarsat program decided to drop 121.5 MHz because it proved unreliable with “poor accuracy and numerous false alerts,” FAA says, which from Dec. 1 will solely rely on 406 MHz frequencies to support ELTs. The 406 ...


You must be a paid subscriber to access "FAA Banning New-Design Lower-Frequency ELTs After Dec. 1".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to http://awin.aviationweek.com for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.