When diving, it is advised to rise by a maximum of 15 to 18 meters per minute. The instructor says he adhered to that advice, but research by the Netherlands Forensic Institute (NFI) shows that they rose far too quickly. The last part they even went up at a speed of 50.4 meters per minute, according to information from the diving computers of the two.
Deadly dive in Vinkeveen Plassen was instructor to be fault
