Core Viewpoint - The investigation into the crash of the Boeing 787-8 operated by Air India is focusing on pilot operation issues rather than problems with the aircraft itself, as indicated by preliminary reports from the Indian Aircraft Accident Investigation Bureau [1][3]. Group 1: Investigation Findings - Preliminary investigation results suggest that the fuel supply switches for both engines were turned off, leading to a significant loss of power shortly after takeoff [3][4]. - It remains unclear how and why these switches were turned off, with possibilities of accidental or intentional actions being considered [3][4]. - The aircraft's emergency system, a ram air turbine, appeared to activate just before the crash, which could indicate a critical failure of both engines [3][4]. Group 2: Pilot Experience - The captain of the flight, Sumeet Sabharwal, has over 10,000 hours of experience flying wide-body or larger aircraft, while the first officer, Clive Kunder, has over 3,400 hours of flying experience [4][6]. Group 3: Aircraft Background - The Boeing 787 Dreamliner, introduced in 2011, is popular among global airlines for long-haul flights and has a strong safety record [6]. - The aircraft involved in the incident was delivered to Air India in 2014, and no service bulletins or safety directives have been issued regarding potential issues with this aircraft model [6]. Group 4: Incident Details - The crash occurred on June 12, when the aircraft was en route from Ahmedabad, India, to London, UK, resulting in 241 fatalities and one survivor [7].