Indonesian submarine found on sea bed

A submarine was discovered in three pieces on the ocean floor off Bali, with all 53 crew members confirmed dead. The wreckage was located at a depth of over 2700 feet by an underwater robot from a Singaporean vessel. Initial hopes for a rescue faded after debris was found on the ocean surface. The Indonesian Navy Chief stated that no explosion occurred; instead, heavy water pressure likely caused a crack. The submarine could withstand pressure up to 500 meters but contact was lost between 600 and 700 meters.

What were the conditions of the crew members aboard the vessel?

What was the depth at which the three parts of the vessel were located?

What items were found floating on the ocean surface after the incident?

What did the Indonesian Navy Chief Yudo Margono say about the cause of the sinking?

What was the maximum water pressure the hair eye in Angala 402 could withstand?