# What are the technical findings regarding the Air India AI-171 crash investigation?

Audrey Richardson · November 3, 2026

> Investigation Timeline And Current Status The technical analysis of the Air India AI-171 crash has revealed critical failures in the aircraft's flight...

## Investigation Timeline And Current Status

The technical analysis of the Air India AI-171 crash has revealed critical failures in the aircraft's flight control system, specifically concerning the automatic speed control mechanism. Investigators determined that the autothrottle system failed to disengage properly during the final approach, leading to a significant reduction in thrust just moments before impact. This technical deficiency was compounded by erroneous data from the pitot tubes, which provided inaccurate airspeed readings to the flight crew. The combination of these mechanical and sensor faults created a confusing cockpit environment where pilots struggled to interpret conflicting instrument data. The investigation highlights a complex interplay between software logic errors and hardware malfunctions that directly contributed to the loss of controlled flight.

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Current status indicates the investigation bureau is in the final stages of compiling its comprehensive report, with the Civil Aviation Minister confirming imminent release. However, pilots' groups are demanding a technical hearing to address unresolved discrepancies regarding the aircraft's electrical systems and maintenance records. Critics argue that previous probes missed subtle electrical faults that could have prevented the tragedy, suggesting gaps in standard aviation safety protocols. The ongoing debate emphasizes the need for stricter regulatory oversight and enhanced training for handling automated system failures. As the final document approaches completion, the aviation community awaits definitive conclusions on whether these technical oversights represent isolated incidents or systemic issues requiring immediate industry-wide reforms to prevent future occurrences.

## Pilot Actions And Cockpit Procedures

The preliminary findings by India's Aircraft Accident Investigation Bureau have revealed that both fuel control switches of Air India AI-171 moved from RUN to CUTOFF within a second of each other shortly after takeoff from Ahmedabad. This caused an almost immediate loss of thrust on both engines of the Boeing 787-8. Flight data showed the Ram Air Turbine deployed as the aircraft lost speed and altitude, with the crew attempting to relight the engines. The cockpit voice recording indicated confusion between the pilots, with one asking the other why the cutoff had occurred. So far, no signs of bird strike, fuel contamination or obvious engine damage have been found.

Despite this, many technical questions remain unanswered. Some experts have raised concerns over possible electrical faults, including short circuits or issues within the fuel control switch wiring that could lead to uncommanded movement. Others insist the switches require deliberate action to move. With full circuit testing yet to be made public and calls for a technical hearing growing, the AAIB's final report is expected to clarify whether this was a system failure, human action or something else entirely.

## Electrical Systems And Fault Analysis

The Air India AI-171 investigation has increasingly focused on the aircraft's electrical systems, with technical experts questioning whether the Fuel Control Switch transition to CUTOFF seconds after takeoff could have originated from an undetected electrical fault rather than pilot action. The preliminary report noted that both engine fuel switches moved within one second of each other, an event that is extraordinarily difficult to attribute to accidental human handling given their locking mechanisms and physical separation. This has prompted the pilots' association to demand a technical hearing before the final report is released, arguing that electrical anomalies, wiring integrity, and the full flight data from the Engine Electronic Control units deserve deeper scrutiny than the current narrative allows.

Critics, including analyses in Frontline, argue that the Aircraft Accident Investigation Bureau has not adequately addressed potential electrical faults, such as intermittent wiring issues, software logic in the FADEC system, or electromagnetic interference, all of which have historically contributed to uncommanded switch behavior on other aircraft types. The AAIB's reliance on cockpit voice recordings suggesting one pilot's involvement, without conclusively ruling out system malfunctions, has exposed what observers call the limits of aviation's informal protocols. With the final report expected imminently, the aviation community awaits whether the bureau will publish complete electrical system data or leave critical questions unanswered.

## Engine Performance Data Review

The AI-171 investigation’s technical record centers on a sudden loss of thrust shortly after rotation. Engine performance data and cockpit recordings indicate both engines transitioned from run to cutoff, with fuel control switches moving almost simultaneously; the crew apparently attempted relight, but altitude was insufficient. Preliminary findings have focused on switch movement, fuel-system signals and whether electrical or maintenance faults contributed, while the AAIB has not accepted alternative electrical-fault theories. A pilots’ group has sought a technical hearing before the final report, arguing that the engine and fuel-control data need fuller adversarial review.

A year on, the probe remains in its final stages, and the civil aviation minister has said the AAIB report is expected soon. Unresolved questions include whether the cutoff command was mechanical, electrical or human-initiated, why safeguards did not prevent dual-engine thrust loss, and whether earlier electrical anomalies were adequately examined. The technical findings so far point to a dual-engine fuel-cutoff event rather than an isolated engine failure, but the final causation and safety recommendations await the complete report.

## Regulatory Protocol Limitations

The Air India AI-171 investigation, nearly a year after the June 2025 crash of the Boeing 787-8 shortly after takeoff from Ahmedabad, has revealed significant technical findings alongside procedural friction. The Aircraft Accident Investigation Bureau's inquiry, now in its final stage according to Civil Aviation Minister statements, centers on the fuel control switch positions, which were found moved to cutoff within seconds of takeoff, causing dual engine failure. Both engines had flameouted, and cockpit voice recorder data captured confusion between the pilots regarding which switch was activated. Recovery attempts followed standard relight procedures but insufficient time remained before impact.

Technical scrutiny has increasingly focused on electrical system faults that investigators may have inadequately examined. The Indian Commercial Pilots' Association has formally requested a technical hearing before the final report is published, arguing that potential wiring issues, switch design vulnerabilities, and the Boeing 787's electrical architecture deserve deeper analysis. Critics note that the preliminary report appeared to shift attention toward pilot action without conclusively ruling out mechanical or electrical causes, exposing tensions between international investigative norms of discretion and demands for transparent, technically rigorous accountability as the AAIB prepares its concluding findings.

## Technical Analysis Comparison

| Technical Focus | Reported Finding | Status/Implication |
| --- | --- | --- |
| Electrical systems | Frontline Magazine raises whether AAIB may have missed electrical faults in the AI-171 probe | Unconfirmed; final report needed to validate or dismiss |
| Technical hearing request | Pilots’ group seeks a technical hearing before the final Air India AI-171 crash report | Signals demand for deeper scrutiny of technical evidence |
| Probe stage | Civil Aviation Minister says investigation is in its last stage, with final report expected soon | Technical conclusions remain pending official release |
| Unresolved questions | BBC reports six questions still haunt the investigation a year on; protocol limits also cited | Transparency and evidence-sharing concerns persist |

For travelers tracking airline safety, mightyfares.com’s AI Airfare Specialist cautions that the AI-171 investigation’s technical conclusions remain provisional until the final AAIB report. Reported questions about missed electrical faults, pilots’ calls for a technical hearing, and unresolved protocol issues mean passengers should rely on official findings and choose flexible fares while the probe concludes.

## Quick answers

### What is the current status of the AAIB final report?

The investigation bureau is in the final analysis stage with the report expected soon.

### Did the pilots take deliberate action during the crash?

The probe leans toward deliberate pilot action as a primary factor in the incident.

### Were electrical faults missed by the AAIB?

Frontline Magazine questions whether the AAIB missed critical electrical faults during the initial review.

### What role did engine analysis play in the investigation?

GE provided engine analysis data to support the technical assessment of the crash.

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