SLNS '' Parakramabahu '' ( P-351 ) was a Type 037 corvette class submarine chaser of the Sri Lanka Navy . The ship was named after King Parakramabahu I with warrior king of the ancient Sri Lankan Kingdom of Polonnaruwa . Purchased from the People 's Liberation Army Navy , she served as the flagship of the fleet in the 1990s . Since joining the Sri Lankan fleet in the in 1996 with the objective of enhancing the blue water capability of the navy . She served as its flagship and was deployed for patrolling the coastal water around Sri Lanka . Due to this she was attached to the 7th Surveillance Command Squadron . During the Sri Lankan Civil War , Parakramabahu was involved in anti arms smuggling patrols and maritime surveillance . During the war she was involved in several sea battles with the LTTE Sea Tigers , including the 1997 battle of the coast of Mullaitivu . However , its operations were greatly limited due to frequent breakdowns and the requirement of an escort of crafts from the Fast Attack Flotilla , and found itself spending much time in port and in non operational areas . Since early 2000 , it was based at SLNS Dakshina in Galle , without going to sea due to breakdowns . It capsized and sank at its moorings at SLNS Dakshina when it was hit by the 2004 Indian Ocean tsunami . It was later re-floated by the Navy . It was damaged in when the LTTE attacked SLNS Dakshina in 2006
2004 Indian Ocean tsunami
2004 Indian Ocean earthquake and tsunami
SLNS Parakramabahu