What is the recommended action when encountering smoke in the cabin?

When encountering smoke in the cabin, sealing off the area and notifying the crew is the recommended action. This procedure helps contain the situation to prevent further smoke spread and ensures that trained personnel can take appropriate action. By sealing the area, you limit the movement of air which could carry smoke to other parts of the aircraft and help maintain a safer environment for passengers.

Moreover, notifying the crew is essential as they are trained to handle emergencies and can coordinate appropriate responses such as deploying emergency equipment or preparing for an evacuation if necessary. The crew will have protocols to follow based on the severity and location of the smoke, ensuring the safety of all onboard.

Remaining calm is crucial, but it's equally important to actively assist in managing the situation by communicating what has occurred. Immediate application of personal masks, while technically beneficial if smoke becomes overwhelming, should be guided by crew instructions and assessments of the situation. Similarly, rushing toward emergency exits without understanding the full context could lead to chaos and compromise safety. Thus, sealing off the area and notifying the crew is the most effective and safe immediate response.