Air Force claims ‘human error’ caused chopper crash that killed CDS Bipin Rawat Share December 19, 2024 minutespedia.in Topstory The Indian Air Force (IAF) has confirmed that the helicopter crash that resulted in the deaths of former Chief of Defence Staff (CDS) General Bipin Rawat, his wife Madhulika Rawat, and 11 others was caused by ‘human error’.