When a warning occurs due to smoke in the AFT cargo, what is the immediate aural indication?

The immediate aural indication when smoke is detected in the AFT cargo is a triple chime. This particular sound serves as an alert to flight crew members about the critical situation, prompting an immediate response. The triple chime is a distinct signal that indicates urgency, distinguishing it from other alerts that may not require immediate action.

Other indications, such as continuous ringing or specific smoke detector beeps, do not match the standard protocol for this type of emergency alert. Cabin pressure alerts, on the other hand, are associated with different aircraft conditions unrelated to smoke detection. Therefore, the triple chime serves as the correct and recognized alert for smoke detection, helping to ensure crew awareness and prompt action to maintain safety.