Air India Flight 171 crashed in the 1990s, killing 23 people, but the root cause remains contested nearly three decades later. The investigation into the Boeing 747 accident has generated sharp disagreement among aviation authorities and experts over what triggered the disaster.

The aircraft went down near Bombay, now Mumbai, during approach. Official investigators concluded one thing. The airline and some independent experts dispute that finding, offering alternative explanations for the crash. That friction has prevented closure for families and the industry alike.

The BBC reports that final conclusions remain unpublished, though more details could emerge soon. The delay reflects how complex the technical analysis became. Evidence points to multiple potential factors. Disagreement centers on which one proved fatal and in what sequence events unfolded.

Air India has resisted certain conclusions from the government investigation. The airline contends that pilot error played a smaller role than officials claimed, or argue that mechanical failure deserves more weight. Independent aviation engineers have sided with different parties at different times.

The crash happened during the pre-9/11 era when aircraft accident investigation followed different protocols. Some documents from that period remain difficult to access or interpret with modern forensic techniques. Conflicting witness accounts and limited cockpit voice recorder data complicate the picture further.

For families who lost loved ones in Flight 171, the lack of resolution compounds their grief. An unambiguous cause would provide answers that extended litigation and technical disputes cannot deliver.

The aviation industry watches closely. How this dispute resolves could shape future investigation standards and liability frameworks for international carriers operating in South Asia. The BBC indicates answers may finally arrive soon, ending a dispute that has lasted far too long.