Investigator says plane crashed some time after 2 a.m. , was n't noticed until 8:45 a.m . Pilot may not have been in contact with control tower . NTSB : The pilot was certified to fly under `` visual flight rules , '' allowing him to fly in fair weather , and was qualified to fly at night . Single - engine plane crashed unnoticed at Nashville International Airport . There was a dense fog the night of the crash , but investigators doubt if it was factor .
Investigator says plane crashed some time after 2 a.m. , was n't noticed until 8:45 a.m . Pilot may not have been in contact with control tower . NTSB : Single - engine plane crashed unnoticed at Nashville International Airport . There was a dense fog the night of the crash , but investigators doubt if it was factor .