Pilot Clyde Kawasaki and a passenger who swam to shore have said Fuddy appeared fine while bobbing in the water after everyone exited the aircraft and waited for help. The NTSB’s preliminary report said the single-engine plane floated for about 25 minutes before sinking.

https://www.mauinews.com/news/local-news/2014/01/police-cardiac-arrhythmia-the-cause-of-death-in-plane-wreck/

http://www.hawaiireporter.com/keith-yamamoto-new-hawaii-deputy-health-director/

Mr. Yamamoto previously served as the Children and Youth Program Development Officer in the Office of Youth Services-Program Development Office;