The DGCA investigating team headed by R.K. Tyagi also held a meeting with the local civil and police officials.
Meanwhile, a case of unnatural deaths has been registered at Atmakur police station following a complaint by a local revenue official. The police booked a case under section 174 of the Criminal Procedure Code.
YSR, who first became chief minister in May 2004, was flying from Hyderabad to Chittoor district when his helicopter crashed in a dense forest and exploded in Kurnool district. His charred body was found Thursday, over 24 hours after the helicopter went missing.