Avionics
ELT False Alarms Vastly Outnumber Distress Situations
False alerts can be caused by improper installation, unfamiliarity with beacon operation, and hard landings.

More than 98 percent of the 8,898 alerts from aviation 406-MHz emergency locator transmitters (ELTs) last year in the U.S. were false alarms. Only 112 alerts were authentic distress situations, according to figures from the NOAA Search and Rescue Satellite Aided Tracking (SARSAT) team.