's Riverside Airport and crashed late Sunday afternoon near South Bend Regional Airport, Federal Aviation Administration spokesman Roland Herwig in Oklahoma City said.

NPR: 2 Killed When Jet Crashes In Indiana Neighborhood

"There was an indication of a mechanical problem, " Mr. Herwig said.

WSJ: South Bend Plane Crash Kills Two

"There was an indication of a mechanical problem, " Herwig said.

NPR: 2 Killed When Jet Crashes In Indiana Neighborhood