Edited sentence: Also has two shafts and two auxiliary thrusters.Complement: 80 sailors (10 officers) plus 16 scientists.Displacement: 2050 tons full load.Helicopters: One HAL Chetak.Main Machinery: Two diesel engines with 3860 hp sustained.Maximum Range: 6000 at 16 knots.Maximum Speed: 16 knots.Radar: Navigation; One Racal Decca 1629 radar at I-band frequency