The AI 171 Dreamliner crash highlights critical gaps in aviation system design — spanning automation logic, human-machine coordination, maintenance protocols, and regulatory oversight. It is high time to rework safety routines, any complacency could result in yet another fatal disaster in the air
When engineering fails in aviation, the consequences are immediate, global, and often tragic. The crash of the Dreamliner has become more than an isolated event; it is a wake-up call for designers, regulators, and operators worldwide. Preliminary findings reveal troubling vulnerabilities in automation logic, human-machine coordination, and critical safety interlocks. Since the crash, reported technical snags have risen sharply in India and across several countries. Is this surge the result of fear-driven psychology or heightened vigilance and tighter inspections? Whatever the cause, the lesson is clear: maintenance and routine checks remain the cornerstone of aviation safety.
Some checks are automated through onboard diagnostic systems, while others still depend on manual inspections by engineers and in-flight teams. Yet the principle remains unchanged: every check, whether automated or manual, must be completed thoroughly, with no compromise in accuracy, quality, or time.This incident underscores a fundamental truth: aviation safety is not guaranteed by cutting-edge technology alone, but by the seamless integration of design, maintenance, routine checks, and operational discipline. The questions about engine control, system oversight, and regulatory diligence demand not just investigation but a global reassessment of aircraft design standards.
Design and Maintenance: Inseparable Partners
System design and maintenance are inseparable halves of the same safety equation. A well-designed aircraft is efficient in flight and maintainable with clarity and predictabilitythroughout its service life.
Every design choice-sensor placement to component accessibility-should support fault detection, troubleshooting, and timely repairs.Routine checks must be seamlessly integrated into operational workflows, ranging from a pilot’s pre-flight walk-around to the highly structured A/B/C/D maintenance cycles. These checks are not mere formalities but essential layers of defense against hidden failures.
The design architecture should make every step not only straightforward but also verifiable, minimizing the risk of oversight. Systems must be structured so skipped or incomplete checks are flagged instantly, making omissions nearly impossible.
Equally important is the synergy between automation and human expertise. Onboard diagnostic systems can detect anomalies in real time, but the design must ensure that such alerts are actionable-clear in meaning, free from ambiguity, and supported by reliable documentation.
Ground engineers and in-flight technical teams should not have to decode complex error logs or guess at root causes; instead, the design should guide them swiftly from detection to resolution.
When design, operations, and maintenance are aligned, aviation safety becomes proactive-preventing failures before they materialize.
This alignment transforms maintenance from a compliance exercise into an integrated part of the safety culture. The modern aviation lies in systems where design anticipates failure, maintenance intercepts it, and together they deliver reliability that passengers can trust.
Challenges and Issues in Air Safety: Learning from Experiences
1. Manual vs Automated Shutdown — A Core Design Issue
Was the shutdown triggered by automation failure or manual override? If automated, why would the system permit fuel cutoff during takeoff?
If manual, how could one pilot turn off both engines without the co-pilot’s awareness or intervention? Should such switches even be functional during takeoff?
It raises uncomfortable design questions: Can such switches be operated silently-without alarms, tactile resistance, or physical lockouts? Should they even remain functional during take off? In either case, the absence of a fail-safe lockout represents a critical systems gap.
2. Locking Disengagement: A Preventable Risk
In 2018, the Federal Aviation Administration (FAA) warned that fuel control switches could degrade over time, recommending replacement only when visibly worn — a reactive measure.
In May 2025, the UK Civil Aviation Authority (CAA) urged daily inspections of fuel shutoff valves and a review of that directive. The absence of universal enforcement reflects a regulatory blind spot.
A life-critical switch, operable within seconds of takeoff and without safeguards, is a catastrophic design flaw.
3. Automation vs Human Machine Interaction (HMI) Oversight
The Dreamliner’s advanced automation seems to have outpaced human-centered safety logic. Engine shutdown should never bypass explicit pilot confirmation. Where were the “human-in-the-loop” safeguards-alerts, audible prompts, or cockpit overrides- ensuring pilots remain fully aware and in control?? Without robust HMI, automation risks silently overstepping its limits.
4. Redundancy and Fail-Safe Shortcomings
Aviation engineering is built on the principle that systems must default to the safest state. Yet the dual engine shutdown-reportedly without alarms, dual-pilot confirmation, or redundancy-appears to violate this principle.
Even in sabotage scenarios, no single individual should be able to turn off both engines without triggering alerts or mechanical resistance.The absence of such layered safeguards indicates a deeper flaw in fail-safe philosophy and redundancy planning.
Many other scenarios could also put lives at risk through equally catastrophic failures. Addressing these questions is essential to prevent them.
Looking Ahead- A Phased Roadmap for Aviation Safety:
Turning lessons into safeguards requires a structured, time-bound action plan.
Short-Term: Immediate priorities include re-engineering life-critical controls with dual-pilot approval and irreversible confirmation, revising cockpit protocols to eliminate single-point vulnerabilities, standardizing FAA, EASA, CAA, and DGCA advisories into binding global directives, and shifting maintenance practices from reactive to proactive, data-driven inspections.
Mid-Term: In the medium term, aviation safety requires comprehensive audits of system architecture to prevent dual engine shutdown without interlocks, mandatory transparency and peer review of safety-critical design and logic, stronger human-machine interaction (HMI) with explicit pilot acknowledgment for critical actions, and the creation of a global incident database to enable real-time safety feedback loops.
Long-Term: Over the longer horizon, aviation must simulate “black swan” scenarios before certification, embed safety into organizational culture as continuous learning rather than compliance, and establish an international aviation safety council with binding authority to enforce global standards consistently.
Conclusions - Engineering for Resilience
True engineering brilliance lies not in technological complexity, but in resilience-the capacity to protect human life when everything else fails.Resilience in aviation means anticipating the unthinkable, embedding fail-safes that cannot be bypassed, and ensuring that no single lapse-human or machine-can escalate into catastrophe. It requires regulators who enforce preventive measures, manufacturers who design for maintainability, and operators who live safety as a practice, not just compliance.
Until these questions are answered and flaws corrected, public trust will remain fragile-shaken not by turbulence but preventable design oversights. Aviation must evolve from reacting to failures toward engineering for resilience. Only then can the skies remain worthy of the trust placed in them by millions of passengers every day.
Unasked but Obvious Questions:
1. Why were both engines allowed to shut down seconds after takeoff with no safeguards?
2. Why was there no automatic veto requiring dual-pilot confirmation?
3. How could such an advanced aircraft fail to distinguish between human error, automation failure, or sabotage?
4. Why were FAA/CAA advisories not enforced globally?
5. Why was redundancy, aviation’s cornerstone, not applied to engine control?
6. Why were critical switches not designed with tactile resistance, alarms, or lockouts?
7. Why were regulators reactive rather than preventive, waiting for failures before acting?
8. Why are pilots and engineers left to compensate for design flaws that should have been eliminated?
The author is a Tech-Education Policy Consultant, a former Professor of Computer Science at IIT Kharagpur, IIT Kanpur, BITS Pilani, and JNU. He was scientist at DRDO and DST. With over four decades in academia, R&D, and industry, he has contributed to technology development both in India and abroad.