Fuel Switch Cause Unknown in India's Deadliest Crash—With Global 787 Fleet Implications

Air India Flight 171's engines lost power during takeoff on June 12, 2025, killing 270 people near Ahmedabad after fuel control switches shifted to cutoff. Investigators have not determined why: crew error, mechanical failure, or electrical malfunction remain open. Each scenario carries different consequences for crew training, Boeing design, and the 1,000+ 787 Dreamliners worldwide in service.