How Flight Attendants Communicate Using Secret Lights on Aircraft

The orange light is coming from the bathroom.

Photo: Kiyoshi Ota/Getty Images

Managing hundreds of passengers on a plane is no easy task. However, it is the flight attendant’s responsibility to make it look effortless. They must be thoroughly knowledgeable about safety aboard the aircraft and are often required to have information about each passenger (prior to boarding).

To enhance their efficiency, flight attendants use a unique form of communication that includes secret signals to each other, utilizing a device that may appear inconspicuous.

What seems to be a simple exit sign serves another purpose. Hidden on its lower edge is the “Area Call Panel” or ACP, as revealed by Mateusz Maszczynski, an international flight attendant, on Paddle Your Own Kanoo.

During your next flight, observe the lights on the ACP which inform flight attendants of the need for their attention throughout the aircraft.

  • If a blue light appears on the ACP, it indicates that a passenger has pressed the call button at their seat. In some instances, there may be two blue lights, indicating the specific side of the aisle where assistance is needed.
  • An orange or amber light signals flight attendants that an event is occurring in the lavatory. A constant orange light indicates that someone has pressed the call button, while a flashing orange light means the smoke detector has been activated. Additionally, a light outside the bathroom will also illuminate to indicate the location of the issue.
  • Moreover, a pink light functions to alert flight attendants of an incoming phone call. A steady pink light indicates a one-way call, while a flashing pink light suggests a group call where every attendant must participate. Occasionally, a red light on the ACP may signify a call from the flight deck.

For each of these light signals, a chime will sound, prompting flight attendants to check the ACP nearest them.

Although these light codes are largely standardized, minor variations can occur depending on the aircraft manufacturer. It is important to note that these slight differences may exist.

Consequently, you may impress the cabin crew on your next flight by showing your understanding of their secret exit sign code. Alternatively, consider following simple gestures of appreciation to thank flight attendants for their hard work and dedication.

Cailey Rizzo is a contributing writer for iBestTravel, currently based in Brooklyn. You can find her on Twitter, Instagram, or at caileyrizzo.com.


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