I can offer some advice on what to do in such a situation:
Stay Calm: The most crucial thing is to try and remain calm. Panicking will only make the situation more difficult to handle.
Hold on to Something: Grab onto the handrail or anything else that can provide support to help you stay steady during the fall.
Protect Your Head: If possible, crouch down and protect your head and neck. This position can help reduce the risk of injuries.
Press the Alarm Button: Most elevators have emergency alarm buttons or intercoms. Press the button or use the intercom to alert someone about the situation.
Use the Emergency Brake (If Applicable): Some elevators have emergency brakes that can be activated to stop the fall. Check for an emergency brake lever and use it if available.
Do Not Attempt to Jump: Trying to jump right before the impact will not save you from injury. The chances of successfully timing a jump to reduce the impact are very slim, so it's better to hold onto something secure and protect yourself.
Wait for Rescue: Once the elevator comes to a stop, wait for rescue personnel to arrive. They are trained to handle these situations safely.
It's important to note that elevator falls are incredibly rare due to multiple safety mechanisms in place, such as counterweights, brakes, and safety systems. Modern elevators are designed to prevent such incidents. However, if you ever find yourself in an emergency situation in an elevator, following these guidelines can help increase your chances of staying safe until help arrives.