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Aviation Expert Reviews AAIB Preliminary Report on Air India Flight AI-171 Crash, Challenges Pilot Error

July 12, 2025By ePlane AI
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Aviation Expert Reviews AAIB Preliminary Report on Air India Flight AI-171 Crash, Challenges Pilot Error
Air India
AAIB Investigation
Boeing 787

Aviation Expert Reviews AAIB Preliminary Report on Air India Flight AI-171 Crash, Challenges Pilot Error

The Aircraft Accident Investigation Bureau (AAIB) has published its preliminary report on the crash of Air India Flight AI-171, a Boeing 787, which occurred near Ahmedabad. The report sheds light on the critical moments leading up to the accident, revealing cockpit communications and technical data that are expected to influence the ongoing inquiry.

Sequence of Events and Initial Findings

According to the AAIB, the incident unfolded rapidly within 90 seconds of takeoff. Both engines experienced an unexpected loss of power during the initial climb, resulting in a catastrophic loss of thrust and a subsequent rapid descent. The aircraft’s Enhanced Airborne Flight Recorder captured an urgent exchange between the pilots, with one asking, “Why did you cut off?” and the other responding, “I did not.” This dialogue has drawn attention to the possibility of pilot error, although the full context remains under investigation.

Commercial pilot Rajiv Pratap Rudy, speaking to the media on July 12, emphasized key aspects of the preliminary analysis. He noted that the aircraft took off normally and that the jet fuel switch was correctly positioned. The pilots reported a decrease in engine power shortly after takeoff, and despite their efforts to relight the engines, the cause of the flameout remains unclear. Rudy stressed that further investigation is necessary to determine the precise reasons behind the engine failure and the sequence of events that followed.

Implications for Air India and the Aviation Sector

The preliminary report’s suggestion that fuel supply to the engines was interrupted prior to the crash raises questions about potential pilot error. However, aviation experts urge caution in drawing definitive conclusions until the full investigation is complete. The AAIB is expected to consider a range of factors, including mechanical failure, procedural errors, and human factors.

The crash has significant ramifications for Air India, which now faces increased scrutiny regarding its safety protocols and operational procedures. Industry analysts warn that the incident could damage the airline’s reputation, potentially leading to operational challenges and diminished passenger confidence. Competitors may seek to leverage the situation by highlighting their own safety records.

Beyond Air India, the broader Indian aviation sector is likely to encounter heightened regulatory oversight. Authorities may reassess existing safety standards and enforcement mechanisms in response to the crash. The incident could also impact inbound tourism and business travel, with possible consequences for India’s aviation ambitions and economic growth.

As the investigation progresses, the aviation community and the public await further information that will clarify the causes of the crash and guide future safety improvements.

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Preliminary Report Indicates Fuel Cut-Off Before Air India Crash

Preliminary Report Indicates Fuel Cut-Off Before Air India Crash

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Aviation Expert Ehsan Khalid Confirms Both Engines Lost Power in AAIB Preliminary Report

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MoS Civil Aviation Urges Caution Following Air India Crash Preliminary Report

MoS Civil Aviation Urges Caution Following Air India Crash Preliminary Report

MoS Civil Aviation Urges Caution Following Air India Crash Preliminary Report Preliminary Findings and Official Response Union Minister of State for Civil Aviation and Cooperation, Murlidhar Mohol, has called for restraint in interpreting the initial findings released by the Aircraft Accident Investigation Bureau (AAIB) concerning the June 12 crash of Air India flight AI 171. Speaking to the press on Saturday, Mohol emphasized that the 15-page preliminary report, published shortly after midnight, does not represent the final conclusions of the ongoing investigation. He urged the public and media to withhold judgment until the comprehensive report is completed. “This is a preliminary report and not the final one. All the information is out for the public. It is still under the purview of investigation so it would not be right to comment on the matter. I request everyone to not arrive at any conclusion till the final report is out,” Mohol stated. He reaffirmed that the AAIB, an autonomous body, is conducting the probe independently without any interference from the Ministry of Civil Aviation. Details from the Preliminary Report The initial findings revealed a critical technical anomaly: the engine fuel control switches on the Boeing 787-8 Dreamliner shifted from ‘RUN’ to ‘CUTOFF’ within a second of each other shortly after takeoff, resulting in an abrupt loss of engine power. While this detail is significant, investigators caution that preliminary reports typically present only basic facts and do not delve into the underlying causes of the accident. The crash, which occurred on the Ahmedabad–London Gatwick route, is among the deadliest aviation disasters involving an Indian airline in four decades. It claimed 260 lives, including 241 of the 242 passengers and crew on board, as well as 19 individuals on the ground. The tragedy has sent shockwaves through the aviation sector, raising concerns about its potential impact on Air India’s ongoing transformation efforts and the broader Indian aviation industry. Industry analysts have noted that the preliminary indication of a sudden engine fuel cutoff could have serious repercussions for Air India’s reputation and operational progress. The incident is also expected to influence the global aviation reinsurance market, particularly affecting insurers and reinsurers in India, where aviation insurance has historically been loss-making. As Air India pursues an ambitious reinvention strategy, the crash represents a significant challenge for both the airline and India’s aspirations as an emerging aviation hub. Advances in Investigation and Caution on Interpretation Mohol highlighted recent advancements in India’s investigative capabilities, noting that the aircraft’s black box was recovered and decoded domestically within a day of the crash. This rapid turnaround facilitated the swift release of the preliminary report. “Previously, black boxes from even a chopper crash needed to be sent out of the country,” he remarked, attributing the expedited process to new laboratory technology. The report also included cockpit voice recordings, which captured an exchange between the pilots in which one questioned the other about the fuel cutoff, receiving a denial in response. Mohol cautioned against drawing premature conclusions from this dialogue: “The conversation has been revealed, but it cannot be used to jump to conclusions. What happened, what was the situation, and what were the reasons—all will become clear post the final report.” At the time of the accident, co-pilot Clive Kunder was flying the aircraft, while pilot-in-command Sumeet Sabharwal was monitoring. Authorities continue to stress the importance of patience as the investigation proceeds, underscoring the necessity of a thorough and fact-based final report before any definitive conclusions are made regarding the causes and consequences of this tragic disaster.
UP Extends MRO Investment Deadline, Eyes Aircraft Repair Hub Status

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Delta Air Lines Avoids Tariffs by Repurposing Airbus Engines

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Fuel Switches in ‘Run’ Position Found in Aftermath of AI 171 Crash

Fuel Switches in ‘Run’ Position Found in Aftermath of AI 171 Crash

Fuel Switches in ‘Run’ Position Found in Aftermath of AI 171 Crash Crash Site Analysis and Aircraft Impact Images from the crash site of Air India Flight 171 have provided critical insights into the sequence of events leading to the accident. The aircraft, a Boeing 787 Dreamliner, descended rapidly after takeoff, initially striking a cluster of trees and an incineration chimney within the Army Medical Corps compound. This collision highlights the dangerously low altitude at which the aircraft was operating in its final moments. According to the preliminary report by the Aircraft Accident Investigation Bureau (AAIB), the distance from the first contact with the trees to the point where the aircraft impacted the northeast wall of Building A was a mere 293 feet, underscoring the minimal altitude and brief time frame before the crash. Further examination of the wreckage revealed that parts of the right wing were scattered across Buildings A and B and the surrounding area. The right engine detached after skimming the roof of Building A and striking a concrete water tank structure, ultimately coming to rest beneath the tank near the building’s southwest wall, oriented at approximately 226 degrees. The widespread dispersal of debris from the right wing indicates the significant force of the collision. Meanwhile, the left engine separated from the aircraft and struck the north corner of Building D at ground level, coming to rest roughly perpendicular to the right engine with a heading of about 326 degrees. Cockpit Controls and Flight Recorder Data Investigators documented the condition of key cockpit controls amid the wreckage. The flap handle assembly, though heavily damaged by fire, was found locked in the 5-degree position, consistent with a normal takeoff configuration. The landing gear lever remained in the “DOWN” position, suggesting that the landing gear had not been retracted at the time of the emergency. The nose landing gear was located approximately 307 feet southwest of the initial impact with Building A. These physical findings were corroborated by data retrieved from the Enhanced Airborne Flight Recorder (EAFR). A particularly significant detail emerging from the preliminary investigation concerns the position of the fuel control switches. Evidence indicates that the switches were moved to the "cutoff" position moments before the crash, resulting in a sudden loss of engine thrust. This technical action has become a central focus of the investigation, as it may have directly contributed to the loss of control and subsequent impact. Additional Findings and Industry Implications Airport CCTV footage captured the deployment of the Ram Air Turbine (RAT) seconds after lift-off, with no evidence of bird activity in the vicinity, effectively ruling out bird strike as a contributing factor. The incident carries substantial implications for Air India, raising serious questions about the airline’s safety protocols and operational reliability. Industry observers suggest that the crash could lead to increased scrutiny of Air India’s management practices and safety standards. Competitors may respond by emphasizing their own safety records and conducting additional audits, while the broader Indian aviation sector is expected to face heightened regulatory oversight and a comprehensive review of safety procedures.
Preliminary Report Highlights Fuel Switches and AI 171 Crash

Preliminary Report Highlights Fuel Switches and AI 171 Crash

Preliminary Report Highlights Fuel Switches and AI 171 Crash The Aircraft Accident Investigation Bureau (AAIB) has released a preliminary report detailing the circumstances surrounding the June 12 crash of Air India flight AI 171. The report provides an in-depth account of the events leading up to the tragedy, raising critical questions about the factors that contributed to the disaster, which stands as the deadliest aviation accident involving an Indian airline in four decades. Sequence of Events and Technical Findings The Boeing 787-8 departed normally, with co-pilot Clive Kundar at the controls and commander Sumeet Sabharwal acting as pilot monitoring. Both pilots were well-rested and had passed mandatory breathalyser tests prior to takeoff. The aircraft had undergone all required maintenance checks, with no irregularities reported before departure. The flight proceeded uneventfully until the aircraft reached approximately 400 feet in altitude. At this crucial moment, the report reveals that both engine fuel control switches moved from the ‘RUN’ to the ‘CUTOFF’ position within seconds of each other, causing an immediate loss of power to both engines. This sudden fuel cutoff precipitated the crash. The cockpit voice recorder captured a brief exchange in which one pilot questioned the other about the fuel being cut, while the other denied any action. The report does not identify which pilot made these statements. Intriguingly, the switches were found in the ‘RUN’ position in the wreckage, deepening the mystery surrounding their movement during flight. Safety Mechanisms and Operational Context Fuel control switches on the Boeing 787-8 are engineered to prevent accidental activation. Each switch is secured by side brackets and a stop lock mechanism, requiring a deliberate upward lift before toggling between ‘RUN’ and ‘CUTOFF’. These controls are typically manipulated only on the ground, either to start the engines before departure or to shut them down after arrival. In-flight movement of these switches is highly unusual and generally reserved for severe emergencies. The report does not yet clarify whether the switches were intentionally moved by one of the pilots or if another factor was responsible. The timing and sequence of events suggest the possibility of pilot confusion or miscommunication within the cockpit, but no definitive conclusions have been drawn. Industry and Operational Implications The incident has prompted intense scrutiny of Air India’s safety protocols and operational procedures. Market observers have noted potential repercussions for passenger confidence, while competitors may seek to underscore their own safety records and training standards in response. The investigation remains ongoing, with further details expected to emerge as authorities continue their work. Readers are advised to consult official sources and the full AAIB report for the most comprehensive and current information on this developing story.
GIFT City Opens $5 Billion Leasing Market for Indian Aviation Sector

GIFT City Opens $5 Billion Leasing Market for Indian Aviation Sector

GIFT City Unlocks $5 Billion Aircraft Leasing Market for Indian Aviation The International Financial Services Centre (IFSC) at GIFT City in Gujarat has opened a significant $5 billion annual opportunity for India’s aviation sector by simplifying aircraft leasing regulations. Civil Aviation Minister K Ramamohan Naidu announced this development during the Western Region Ministers' Conference, highlighting the strategic role of GIFT City in transforming the leasing landscape. Regulatory Reforms and Economic Impact Established as a special economic zone, GIFT City offers substantial tax incentives and regulatory exemptions designed to attract aircraft lessors and lessees. Lessors registered within the IFSC benefit from exemption from prior approvals for importing or leasing aircraft, while lessees receive tax breaks that have collectively reduced leasing costs in India by 10 to 15 percent. According to Minister Naidu, these reforms have enhanced India’s appeal as a destination for global lessors, particularly given that 80 percent of the country’s commercial fleet is currently leased. Naidu emphasized that civil aviation is evolving beyond its traditional role as a mode of transport, becoming a catalyst for broader economic development. Airports are increasingly serving as hubs of economic activity, driving infrastructure improvements and stimulating growth in sectors such as hospitality, real estate, agriculture, and logistics. This aligns with the government’s vision for "Viksit Bharat 2047," which aims to position aviation at the core of India’s development agenda by the country’s centenary of independence. Sector Growth Amid Emerging Challenges India’s aviation sector is poised for rapid expansion, with passenger traffic expected to triple by 2044. This growth is intensifying competition for leasing opportunities, attracting both domestic and international players eager to leverage the favorable regulatory environment at GIFT City. The recent $1 billion infrastructure funding secured by the Mumbai Airport operator underscores the sector’s robust demand for modernization. However, the industry faces challenges that could impact leasing dynamics. The recent Air India crash has the potential to tighten the aviation reinsurance market, which may increase costs associated with leasing operations. Additionally, the entry of technology entrepreneurs, exemplified by companies like Zomato venturing into aircraft manufacturing, signals a shift in traditional market structures, introducing new competition and innovation. Technological advancement remains a key focus, with projections indicating that the aviation smart maintenance market will reach $12 billion by 2034. This trend is expected to influence leasing strategies, as operators and lessors prioritize aircraft equipped with advanced maintenance and operational technologies. The conference convened ministers from Maharashtra, Madhya Pradesh, Gujarat, Goa, and Union Territories, alongside officials from the Civil Aviation Ministry, Directorate General of Civil Aviation (DGCA), Airports Authority of India, and other stakeholders. As India’s aviation sector continues to evolve, GIFT City’s policy framework positions the country to emerge as a major global hub for aircraft leasing while navigating the complexities of a rapidly changing market.
AAIB to Review Additional Evidence in Air India AI171 Crash; No Immediate Boeing 787 Safety Directives

AAIB to Review Additional Evidence in Air India AI171 Crash; No Immediate Boeing 787 Safety Directives

AAIB Continues Investigation into Air India Flight AI171 Crash; No Immediate Safety Directives for Boeing 787 The Aircraft Accident Investigation Bureau (AAIB) has released a preliminary report on the investigation into the tragic crash of Air India flight AI171, which occurred on June 12 near Ahmedabad, resulting in 260 fatalities. The report, published on July 12, confirms that the inquiry remains ongoing, with no immediate safety directives issued for operators of Boeing 787-8 aircraft or the GE GEnx-1B engines powering the plane. Ongoing Investigation and Preliminary Findings According to the AAIB’s 15-page preliminary report, the investigation team is actively reviewing additional evidence, records, and information from relevant stakeholders to determine the cause of the accident. The wreckage, including both engines and critical components, has been secured at a facility near Ahmedabad airport for detailed examination. The crash site documentation was completed using advanced drone-based imaging technology to ensure comprehensive data collection. The Boeing 787-8 Dreamliner involved in flight AI171 was operating a route from Ahmedabad to London Gatwick. This incident marks the first fatal accident involving this aircraft model. Preliminary findings indicate that the aircraft experienced a loss of power shortly after takeoff, with both engines shutting down within seconds of each other. This occurred following an unexpected transition of fuel cutoff switches, an event that remains under close scrutiny by investigators. A final report is anticipated within the next year, which will provide a thorough analysis of contributing factors and propose any necessary safety recommendations. Industry and Regulatory Responses The crash has generated significant concern within the global aviation community, particularly regarding its potential repercussions on the aviation insurance market. India’s aviation insurance sector, already under financial pressure, is expected to face further challenges as a result of the scale of this disaster. Insurers and industry observers are closely monitoring the investigation for any emerging safety issues or regulatory changes that could impact risk assessments and insurance premiums. Despite the severity of the accident, the Federal Aviation Administration (FAA) has not identified any immediate regulatory actions concerning the Boeing 787 fleet. Similarly, the Indian Directorate General of Civil Aviation (DGCA) has conducted thorough inspections of Air India’s Boeing 787 aircraft and reported no significant safety concerns. Both Air India and Boeing have acknowledged the AAIB’s preliminary findings. Air India expressed its condolences and reaffirmed its commitment to supporting the victims’ families and cooperating fully with authorities. The airline stated, “Air India stands in solidarity with the families and those affected by the AI171 accident. We continue to mourn the loss and are fully committed to providing support during this difficult time,” emphasizing ongoing collaboration with regulators and stakeholders. Boeing also extended its sympathies and confirmed its support for the investigation. The company remarked, “Our thoughts remain with the loved ones of the passengers and crew on board Air India Flight 171, as well as everyone affected on the ground in Ahmedabad. We continue to support the investigation and our customer,” while deferring to the AAIB for further updates in line with international protocols. As the investigation advances, the aviation industry and insurers remain vigilant for any developments that may influence future safety standards or regulatory frameworks.
AAIB Releases Full Report on Air India Flight AI171 Crash

AAIB Releases Full Report on Air India Flight AI171 Crash

AAIB Releases Full Report on Air India Flight AI171 Crash The Aircraft Accident Investigation Bureau (AAIB) has published its comprehensive report on the crash of Air India flight AI171, a Boeing 787-8 that tragically went down shortly after takeoff from Ahmedabad on June 12. The flight was en route to London Gatwick when the aircraft collided with a medical college hostel mere seconds after departure, resulting in the loss of 260 lives, encompassing nearly all passengers and crew onboard. Details of the Incident and Investigation The report reveals that the aircraft was carrying 54,200 kilograms of fuel, with a takeoff weight of 213,401 kilograms, both within the prescribed operational limits. The plane lifted off at 13:08:39 IST. Shortly thereafter, the engine fuel control switches were turned off and then reactivated within a one-second interval. At 13:09:05 IST, a pilot issued a distress call declaring “Mayday, mayday, mayday.” No further communication was received by Air Traffic Control (ATC) before the crash occurred. Investigators employed drones to document the wreckage, which was subsequently relocated to a secure area near the airport for detailed examination. Both engines were recovered and placed under quarantine in a hangar. Fuel samples taken from the aircraft’s bowsers and tanks underwent testing at the Directorate General of Civil Aviation (DGCA) laboratory and were found to meet satisfactory standards. The AAIB report does not call for immediate action against the aircraft or engine manufacturers. Implications for the Aviation Sector The release of the full report is poised to have significant repercussions for the Indian aviation industry. The crash exacerbates existing challenges within India’s aviation insurance market, intensifying pressure on insurers and reinsurers both domestically and internationally. Industry analysts expect a reassessment of risk profiles, which may lead to increased insurance premiums. Air India faces immediate operational challenges in managing compensation and relief efforts for the victims’ families, alongside addressing the reputational damage stemming from the disaster. The airline’s strategic plans for expansion, particularly into international markets such as Australia, may encounter obstacles as it seeks to rebuild public trust. The broader Indian aviation sector is also under heightened scrutiny, with regulatory authorities anticipated to review and potentially tighten safety protocols and operational standards in response to the report’s findings. Competing carriers, including IndiGo, may attempt to leverage Air India’s difficulties to strengthen their market positions, potentially altering competitive dynamics in the near term. As the industry grapples with the consequences of the AAIB’s findings, stakeholders are preparing for a period marked by regulatory, financial, and operational challenges following one of the most devastating aviation disasters in India’s history.
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