I wonder if you mean Juliane Koepcke, but she was 17 at the time and the lone survivor.
https://en.wikipedia.org/wiki/Juliane_Koepcke
https://www.telegraph.co.uk/culture/books/authorinterviews/9...
https://en.wikipedia.org/wiki/Juliane_Koepcke
https://www.telegraph.co.uk/culture/books/authorinterviews/9...
She had no bone hurt and a dozen people survived. Minus the injuries due to spending 10 days without disinfectant in the jungle.