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 : " If the pilot was unfamiliar with Nashville airport 's frequencies , he could have used a universal frequency to contact controllers , Landsberg said . The investigation is still ongoing and we don't know the cause of this accident. There was a dense fog the night of the crash , but investigators unsure 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 : " The investigation is still ongoing and we don't know the cause of this accident. There was a dense fog the night of the crash , but investigators unsure if it was factor .