Immediately , the search teams saw it was a two bladed prop with stamped numbers 15911 imprinted in the metal . Pilot Stewart Dunbar disappeared off Florida coast in 1980 . Daughter had hoped it would bring closure in Dunbar 's disappearance . The recovered evidence suggests the sunken plane was not Dunbar 's .
Pilot Stewart Dunbar disappeared off Florida coast in 1980 . Daughter had hoped it would bring closure in Dunbar 's disappearance . The recovered evidence suggests the sunken plane was not Dunbar 's .