India, Dec. 19 -- Former NASCAR driver Greg Biffle and his family were among those killed when a Cessna C550 aircraft crashed at Statesville Regional Airport in North Carolina.

The seven victims of the crash include Greg Biffle, Cristina Biffle, Emma Biffle, Ryder Biffle, Dennis Dutton, Jack Dutton, and Craig Wadsworth, as per a release from NASCAR.

Now, the NTSB has announced that they are probing the incident and expect to focus on the aircraft's flight path as well as performance, the actions of the pilot and their communications. They will also check weather conditions, and the maintenance history and airworthiness records of the aircraft in question.

The FAA is also involved in the investigation but the NTSB is leading, and invest...