Maximum hours spent by an individual in operating the dynamic positioning of vessels

The record for spending the maximum number of hours in operating the dynamic positioning of vessels was set by Captain Janardanan Sesha Iyer, AFNI, (born on May 18, 1958) of Ernakulam, Kerala. Dynamic positioning is a computer-controlled system to maintain a precise position of vessels in offshore drilling, offshore oil well stimulation, critical operations, construction and scientific research. Being a master of foreign-going ships, he spent 25,091 hours operating the dynamic positioning of vessels from 2008 to 2020, as confirmed on July 21, 2025.