PUERTO PRINCESA CITY, Philippines --- All types of ships with 150 gross tonnage and higher are warned to sail outside the 4,470-square kilometer area-to-be-avoided (ATBA) in the Tubbataha Reefs Natural Park (TRNP) to avoid the risk of accidental groundings. Commodore Joselito dela Cruz, commander of the Philippine Coast Guard (PCG) on Palawan, said the advice … [Read more...] about IMO sets ‘off-limits area’ in Tubbataha