Operation Sindoor Air War: Swiss Military Study Finds Pakistan Suffered Higher Aircraft Losses

An analytical illustration of Indian fighter aircraft during Operation Sindoor, reflecting findings from a Swiss military study on air power balance.

By Defence Worlds Desk

Introduction: A Modern Air War Under Global Scrutiny

The brief but intense air conflict between India and Pakistan during Operation Sindoor in May 2025 has now become a subject of detailed international military analysis. A newly released Swiss military study has provided one of the most comprehensive independent assessments of the 88-hour air war, concluding that Pakistan suffered significantly higher and more damaging aircraft losses than India, both in quantitative and qualitative terms.

At a time when air power, electronic warfare, and network-centric operations are reshaping modern conflicts, the Swiss report offers valuable insight into how the Indian Air Force (IAF) leveraged technology, doctrine, and operational depth to secure air superiority, forcing Pakistan to seek de-escalation.

This analysis not only challenges several claims made during the conflict but also reinforces India’s growing reputation as a mature, technologically capable air power in South Asia.

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Background: What Triggered Operation Sindoor

Operation Sindoor was launched following a major terrorist attack in Jammu and Kashmir, which Indian intelligence agencies linked to Pakistan-based terror networks. After diplomatic warnings failed to deter further escalation, India initiated a limited but decisive military response, with air power playing a central role.

Unlike earlier India-Pakistan crises, Operation Sindoor unfolded in a vastly different technological environment—marked by long-range precision weapons, advanced air defence systems, drones, electronic warfare platforms, and real-time intelligence fusion.

The air campaign ran from 7 May to 10 May 2025, involving multiple high-intensity engagements across the Line of Control (LoC) and deeper operational zones.

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About the Swiss Study: Independent and Methodical

The findings come from a 47-page analytical report produced by a Swiss military history and strategy institution specializing in air warfare reconstruction. The study is based on:

·         Satellite imagery analysis

·         Open-source intelligence (OSINT)

·         Radar track reconstruction

·         Weapon employment patterns

·         Post-conflict damage assessment

·         Cross-verification of claims from both sides

Importantly, the Swiss analysts emphasized operational impact over propaganda claims, noting that aircraft losses must be judged not only by numbers but by mission capability degradation.

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Key Finding: Pakistan Lost More—and Lost Capability Faster

Higher Aircraft Attrition

According to the Swiss assessment, Pakistan Air Force (PAF) suffered higher aircraft losses than the Indian Air Force, including:

·         Fighter aircraft destroyed or rendered non-operational

·         High-value airborne assets affected by air and missile strikes

·         Significant damage to aircraft shelters, runways, and support infrastructure

While exact numbers remain classified or disputed, the study concludes that Pakistan’s losses were operationally more severe, directly affecting its ability to sustain air operations beyond the third day of the conflict.

Indian Losses: Limited and Non-Decisive

The report acknowledges that India did incur some aircraft losses or damage, particularly during the initial phase when Pakistan attempted to contest airspace aggressively. However, the Swiss analysts underline that:

·         Indian losses did not cripple operational momentum

·         Sortie rates and strike intensity remained stable

·         Command, control, and surveillance networks stayed intact

This imbalance, the report notes, became decisive as the conflict progressed.

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Air Superiority: How India Gained the UpperHand

Integrated Air Defence and Sensor Fusion

One of the most critical factors identified in the Swiss study is India’s layered air defence and sensor integration, which allowed the IAF to:

·         Detect incoming threats earlier

·         Intercept enemy aircraft and drones efficiently

·         Protect key air bases and strategic assets

Pakistan’s attempts to overwhelm Indian defences with saturation tactics failed to produce lasting results.

Suppression of Enemy Air Defences (SEAD)

The study highlights India’s successful suppression and degradation of Pakistan’s air defence network, which reduced PAF’s freedom to operate near contested airspace.

As radar sites, command nodes, and air defence batteries came under pressure, Pakistan’s ability to protect its own aircraft on the ground and in the air steadily declined.

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Beyond Numbers: Why Loss Quality Matters

A key contribution of the Swiss analysis is its focus on loss quality rather than headline numbers. The report argues that losing a high-value aircraft, experienced crew, or hardened air base can be far more damaging than losing multiple older platforms.

In Pakistan’s case, the study notes:

·         Losses occurred at critical forward bases

·         Damage to infrastructure limited aircraft regeneration

·         Psychological and deterrence effects compounded material losses

By contrast, India retained strategic depth, enabling it to rotate assets, repair damage, and sustain pressure.

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Information Warfare and Overclaims

The Swiss study also addresses the information war that accompanied the air conflict. Both sides made competing claims about aircraft shoot-downs, many of which were amplified on social media.

However, the report cautions that:

·         Early wartime claims are often exaggerated

·         Visual confirmation and post-conflict analysis are essential

·         Propaganda narratives rarely reflect operational reality

After cross-checking available evidence, the analysts conclude that Pakistan’s claims of heavy Indian aircraft losses were overstated, while Indian assessments of Pakistani attrition aligned more closely with observable damage.

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Strategic Outcome: Why Pakistan Sought De-Escalation

By the morning of 10 May 2025, the Swiss report finds that Pakistan faced a deteriorating air situation:

·         Reduced ability to contest Indian airspace

·         Growing vulnerability of air bases

·         Increasing risk of escalation without proportional gains

Under these conditions, Pakistan’s leadership opted for diplomatic channels and de-escalation, effectively ending the air phase of the conflict.

The report describes this as a classic case of air power shaping strategic decision-making, where operational realities forced political recalibration.

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Implications for South Asian Air Power Balance

India’s Rising Air Power Credibility

For Indian defence planners, the Swiss study reinforces several key conclusions:

·         Investments in network-centric warfare are paying dividends

·         Indigenous and imported systems are being effectively integrated

·         The IAF can sustain high-tempo operations under pressure

This enhances India’s deterrence posture and strengthens its position in future crises.

Lessons for Pakistan

The report also serves as a cautionary analysis for Pakistan, highlighting:

·         Overreliance on contested narratives

·         Infrastructure vulnerability

·         The need for deeper redundancy and integration

Without addressing these gaps, the study warns, Pakistan’s air power risks falling further behind regional peers.

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Conclusion: A Defining Case Study in Modern Air Warfare

The Swiss military study on Operation Sindoor offers one of the clearest independent verdicts yet on the 2025 India-Pakistan air conflict. Its central conclusion—that Pakistan suffered higher and more consequential aircraft losses than India—underscores the decisive role of preparation, technology, and doctrine.

Rather than a clash defined by numbers alone, Operation Sindoor stands out as a case study in modern air warfare, where information dominance, integrated defences, and operational depth proved decisive.

For India, the findings validate years of doctrinal evolution and investment. For the wider strategic community, the conflict offers enduring lessons on how air power shapes outcomes long before ground realities catch up.

 

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