What indicates the locations of emergency exits in an aircraft?

The locations of emergency exits in an aircraft are indicated by red lights and red/white exit signs. This system is designed to be highly visible, ensuring that passengers and crew can quickly identify the exits in both normal and low visibility situations, such as during a power failure or smoke-filled cabin. The use of red for exit signs is universally recognized as a signal for emergency exits, drawing immediate attention and providing clear guidance in urgent situations. The presence of these visual cues is crucial for safety, enabling orderly and efficient evacuation.

Options that might suggest regular cabin lights or colored floor markings do not convey the same level of immediacy and clarity associated with exit identification. Flashing cabin lights during emergencies, while they may signal a need for action, are not solely dedicated to indicating the location of exits; their purpose can vary based on the situation. This focus on specific and standardized signage enhances the overall efficacy of emergency preparedness on board.