In newspaper interviews, Keith Yamamoto, the Deputy Health Director said that he helped Loretta Fuddy put on her life vest and helped her get out of the plane and held her hand in the water until she let go of his hand, presumably when she died.
“Last moments recounted of official killed in crash”
http://abcnews.go.com/US/t/story/small-plane-crashes-water-off-molokai-hawaii-21187906?ref=http%253A%252F%252Fwww.google.com%252F
Thanks for the update. (Also #22 comment)