Final answer:
If severe turbulence is encountered on a flight, it is recommended to stay seated and fasten your seatbelt. Following the instructions of the flight crew and remaining calm are crucial for your safety.
Step-by-step explanation:
If severe turbulence is encountered, the recommended procedure is to stay seated and securely fasten your seatbelt. It is important to remain calm and follow the instructions of the flight crew. The seatbelt will help to keep you restrained and protected during sudden movements and changes in altitude.
Additionally, it is advisable to avoid moving around the cabin during turbulence to reduce the risk of injury. Keeping your seatbelt fastened even when the seatbelt sign is off is a good practice to ensure your safety throughout the flight. Remember, flight crews are trained to handle turbulence, and it is important to trust their guidance and expertise.