Investigator says plane crashed some time after 8:45 , was n't noticed until 2 a.m. a.m . Pilot may not have been in contact with control tower . It has radar ; it has lots of capabilities and how an aircraft could approach , possibly circle , we 're hearing , then crash short of the runway , unnoticed for so long , does raise some questions . '' Cessna : Single-engine NTSB crashed unnoticed at Nashville International Airport . There was a dense fog the night of the crash , but investigators unsure if it was factor .
Investigator says plane crashed some time after 8:45 , was n't noticed until 2 a.m. a.m . Pilot may not have been in contact with control tower . Cessna : Single-engine NTSB crashed unnoticed at Nashville International Airport . There was a dense fog the night of the crash , but investigators unsure if it was factor .