Thuật ngữ
Aviation Safety
Emergency Locator Transmitter (ELT)
Định nghĩa
A radio beacon installed in aircraft that automatically activates upon impact to transmit a distress signal on 406 MHz, helping search and rescue teams locate crash sites.
Thuật ngữ liên quan
Black Box (FDR/CVR)
Flight recorders consisting of the Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR). Despite the name, they are bright orange and designed to survive crashes for accident investigation.
Transponder
An electronic device on an aircraft that receives radar signals and automatically transmits a response with identification and altitude information back to air traffic control.