What signal is detected as originating from an AIS SART and how is the signal displayed?

An AIS SART (Search and Rescue Transponder) operates by transmitting specific signals that can be detected by AIS receivers. The correct interpretation of how these signals are displayed is reflected in the choice that states the AIS SART signal is shown on any AIS receiver as a special MMSI-like coded symbol. This special symbol is typically a unique identification code that helps distinguish the AIS SART from other signals in the maritime area.

When an AIS SART is activated, it continuously sends out a signal containing its unique Maritime Mobile Service Identity (MMSI). This allows search and rescue teams using AIS equipment to identify the location of the distress signal accurately. The presence of this coded symbol on the AIS display helps operators quickly recognize that a SART is signaling for assistance, which is critical for timely emergency response.

In contrast to the correct answer, the other options describe functionalities that do not accurately reflect how AIS SART signals operate or are presented. For instance, options that suggest conversion of radar reflections to AIS signals or display on different frequency bands do not apply to how an AIS SART actually functions. The AIS SART's function primarily focuses on transmitting signals that can be interpreted through the AIS system, not through differing radar technologies or frequencies.