A mysterious mechanical failure, marked by a strange sound moments before takeoff, caused Air India Flight 171 to crash near Ahmedabad on June 12, 2025, killing over 290 people and leaving investigators and the world grappling with questions about aviation safety and human tragedy.

What Caused Air India 171 Crash, Mysterious Sound Before Impact

Ahmedabad, India—June 12, 2025, 1:38 PM—will forever be etched in the minds of aviation experts and grieving families alike as the day Air India Flight 171, a state-of-the-art Boeing 787 Dreamliner, plummeted from the sky just minutes after leaving Sardar Vallabhbhai Patel International Airport.

The catastrophic crash claimed the lives of over 290 passengers and crew, leaving the nation in shock and triggering an international investigation into one of the deadliest aviation incidents in recent memory.

Eyewitnesses at the airport described the scene in chilling detail.

Many reported seeing the aircraft climb steadily before an unusual vibration rippled through its wings, accompanied by a strange, haunting sound that has since confounded aviation investigators.

One onlooker, speaking under anonymity, said, “It was as if the plane itself was screaming before it fell… we couldn’t believe our eyes.

” Airport personnel confirmed hearing an anomalous mechanical noise in the seconds leading up to the disaster, a detail now central to understanding what may have gone wrong.

Preliminary investigations have highlighted the Ram Air Turbine (RAT) as a potential factor in the accident.

This small, deployable turbine is designed to provide emergency power to critical systems if the main engines fail.

In Flight 171, investigators are scrutinizing whether the RAT was deployed correctly or malfunctioned, possibly contributing to the sudden loss of control.

 

Air India flight 171 crash: Cockpit audio of pilots, first officer  'panicking' — New details revealed

 

Aviation safety experts caution, however, that the final report may reveal a more complex interplay of mechanical and human factors rather than a single cause.

The cockpit voice recorder and flight data recorder have become the focus of intense analysis.

Early insights suggest that the flight crew experienced multiple simultaneous system warnings, complicating their ability to respond effectively.

Sources close to the investigation have indicated that the crew may have been working frantically to stabilize the aircraft, attempting maneuvers that were ultimately insufficient against the unfolding catastrophe.

“We’re seeing a perfect storm of technical failure and extreme circumstances,” said a senior aviation analyst who reviewed the preliminary data.

Flight 171’s crash has drawn comparisons to previous high-profile aviation disasters, where small mechanical anomalies escalated into full-scale catastrophes.

Experts note that in modern aircraft, redundancy systems like the RAT are designed to prevent total failure, making the mysterious sound recorded prior to impact a critical clue.

Investigators are meticulously reconstructing the timeline, examining everything from maintenance records to atmospheric conditions, seeking to piece together the precise sequence of events.

The aftermath has been devastating.

Families of the victims are demanding accountability from both Air India and regulatory authorities, while the Indian government has pledged full transparency in the investigation.

 

Air India 171 crash probe: Cockpit audio reveals pilots' confusion over mid- air fuel cutoff - 10 key points from AAIB preliminary report | India News -  Times of India

 

International aviation organizations are monitoring developments closely, with some questioning whether current safety protocols for high-performance aircraft like the Boeing 787 require revision.

Airlines worldwide have issued internal safety reminders, underscoring the broader implications of Flight 171 for global aviation.

Eyewitness footage, now circulating on social media, has intensified public attention.

Grainy videos show the Dreamliner climbing normally before a sudden jolt appears to shake the fuselage.

Experts warn that while the visuals are compelling, they are not conclusive evidence of cause.

Yet, the combination of eyewitness reports, mechanical analysis, and survivor accounts (from those on the ground or nearby in other aircraft) is fueling a narrative of both mystery and tragedy that continues to captivate the world.

This tragedy highlights the fragile balance between advanced aviation technology and human oversight.

While Boeing 787 Dreamliners are equipped with the latest flight control systems, Flight 171 demonstrates that even the most sophisticated safety mechanisms may be vulnerable to unforeseen circumstances.

As investigators continue their painstaking work, aviation authorities are expected to release safety recommendations aimed at preventing similar incidents in the future.

For now, Ahmedabad mourns the loss of hundreds of lives in a crash that shocked India and the world.

The enigmatic sound captured just before impact remains a haunting element of the story, leaving families, experts, and global audiences searching for answers.

Whether this incident will reshape aviation protocols, reveal previously unknown technical vulnerabilities, or simply remain a sobering reminder of the unpredictability of air travel, Flight 171 stands as a solemn testament to both human ambition and human fragility in the skies.