What are the typical indicators of a fire or smoke warning in the cabin?

• A. Audible warnings only
• B. Visual warnings only
• C. Audible and visual warnings plus visible smoke or a burning smell
• D. No warning indicators

Answer: (C)

A fire or smoke warning in the cabin is detected through a layered alert system that uses multiple cues together. In practice, you’ll typically hear an audible warning and see visual warnings on the aircraft’s indicators, and you may also notice visible smoke or a burning smell. Each cue reinforces the others: the audible alarm grabs attention in a noisy cabin, the visual warning confirms the seriousness and directs crew actions, and the physical signs of smoke or odor provide immediate confirmation that something is burning. Relying on just one type of signal could miss or delay detection, so the combination of sound, sight, and smell is the standard indicators you should expect.