Where are smoke detectors located on board aircraft?

Smoke detectors are an essential safety feature on aircraft, strategically placed in various locations to ensure the highest level of safety for both passengers and crew members. They are specifically located in all lavatories and the crew rest area because these are critical zones where the risk of fire can increase due to the presence of various materials, including paper products and potential sources of ignition.

The lavatories are equipped with smoke detectors to quickly alert the crew if a fire or smoke develops in these enclosed spaces, allowing for immediate action to mitigate any potential hazards. Similarly, the crew rest area is monitored because it provides a space for crew members to relax away from passenger areas, thus necessitating safety measures to protect all individuals on board.

Other potential options do not cover the comprehensive safety measures implemented throughout the aircraft. For instance, while the cockpit and passenger cabin are also critical areas where safety is a priority, the specific placement of smoke detectors in lavatories and crew rest areas provides early warning in the spaces where fire hazards may be more prevalent.