The United States admitted sole liability for the crash, fire, and deaths of those who perished, according to the court decision.
Yoon's older brother testified during a three-day trial in U.S. District Court in San Diego that his brother used to be funny, cracking jokes and playing with children. Now, he said, Yoon visits the graves of his family every day, and no longer smiles or sees people.
Yoon told the court that reuniting with his wife and daughters in death is "all I have to look forward to," according to court documents.
An attorney for the plaintiffs, who sought $56 million in damages, could not immediately be reached for comment.
A U.S. Department of Justice attorney representing the government in the case did not immediately respond to request for comment.
(Additional reporting by Dan Whitcomb; Editing by Tim Gaynor)