The University is spending more than twenty-thousand dollars a day searching for the missing part.
"That's an important piece of evidence. It needs to be analyzed to determine if it had any structural weakness, if there were some repairs that might have caused damage in the past, or wasn't performed correctly. So its an important piece of evidence to conclude the investigation."
Kimbrough says they received an anonymous call saying the boat wasn't maintained properly over the years. He and the University are determined to get some answers.
"The fact that someone lost their life in service to the state of Texas and gave his life to save the lives of these other young people that he was with. That creates and incredible obligation for us. We want to honor him and honor his family. It's an emotional time for everybody, but it also gives us the energy to get this done and get it done right."
Bill Stamps, KUHF, Houston public radio.