Why did a trawler run aground on Lady Musgrave Island?

Marine authorities are investigating what caused a 50m fishing trawler to run aground on Lady Musgrave Island on Friday. Two men and a dog were forced to spend the night on board the stricken ship after an initial attempt to free themselves failed when their anchor line and boom broke. Mana is a Bundaberg-based fishing trawler. They were retrieved by crew from a passing boat on Saturday. The vessel remains grounded in the intertidal zone on the south side of the island, between the low and high water marks. click here to read the story 12:39