Which of the following statements is incorrect regarding INS Nirdeshak?
1
INS Nirdeshak displaces about 3400 tons and has an overall length of 110 meters.
2
It is propelled by two marine gas turbine engines combined with variable-pitch propellers.
3
It is built using 'Integrated Construction' technology in compliance with the Classification Society (IRS) regulations.
4
INS Nirdeshak is fitted with advanced hydrographic equipment like a data acquisition and processing system, autonomous underwater vehicles, and digital side scan sonar.