A preliminary report by the NTSB determined there was no obvious reason for last month's crash of a skydiving plane that killed 12 people in Missouri.

There were “no indications” of any mechanical malfunctions or failures of the engine on a skydiving plane that crashed last month in Missouri, according to a National…

There were "no indications" of any mechanical malfunctions or failures of the engine on a skydiving plane that crashed last month in Missouri, according to a just-released…