Automatski radio-lokator za slučaj nužde koji jedinicama službe traganja i spasavanja služi kao pomoć u lociranju srušenog vazduhoplova.
Francuski prevod: radiobalise de repérage d'aéronef accidenté
Srodni izrazi: beacon; crash locator beacon; emergency locator beacon; fan marker beacon; localizer; meaconing; personal locator beacon; radio beacon; submarine locator acoustic beacon; Z marker beacon.