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🔧 '''Ingestion damage''' describes physical harm to an aircraft engine caused by the intake of foreign objects — most commonly birds, but also hail, ice, volcanic ash, sand, runway debris, and even wildlife on the ground — and it constitutes one of the most frequent categories of [[Definition:Hull all risks (HAR) | hull all risks]] claims in [[Definition:Aviation insurance | aviation insurance]]. Modern turbofan engines are designed to withstand a degree of foreign object ingestion, but severe events can destroy fan blades, damage compressor sections, or cause uncontained failures that threaten the airframe itself. Because engine values on contemporary widebody aircraft can individually exceed tens of millions of dollars, even a single ingestion event that requires engine removal and shop visit can generate a substantial insurance claim.

⚙️ [[Definition:Underwriting | Underwriters]] treat ingestion damage as a foreseeable and statistically modeled peril. Many [[Definition:Hull deductible | hull deductible]] structures include a specific sub-deductible for foreign object damage (FOD) or engine ingestion, sometimes lower than the standard in-motion deductible, acknowledging that these losses are frequent but generally partial rather than total. The insured files a claim supported by engine borescope reports, maintenance shop findings, and cost estimates; the insurer then determines whether the damage exceeds the applicable deductible and whether the cause falls within covered perils. Notably, damage attributable to normal [[Definition:Wear and tear | wear and tear]] or inadequate [[Definition:Maintenance program | maintenance]] is excluded, so the boundary between an insured ingestion event and pre-existing engine deterioration can become a point of contention during claims adjustment.

📊 The financial weight of ingestion claims makes them a focal point for both risk management and insurance market dynamics. Airlines invest heavily in bird-strike prevention programs, runway FOD detection systems, and engine wash routines — measures that [[Definition:Insurance carrier | insurers]] reward through more favorable terms. For the [[Definition:Reinsurance | reinsurance]] market, the attritional nature of ingestion losses means they contribute to the underlying [[Definition:Loss ratio (LR) | loss ratio]] rather than peak catastrophe exposure, but their cumulative cost across a large fleet can be significant. Advances in engine technology, such as composite fan blades and improved bird-ingestion certification standards set by the [[Definition:Federal Aviation Administration (FAA) | FAA]] and [[Definition:European Union Aviation Safety Agency (EASA) | EASA]], continue to reshape the risk profile, though the rise in global bird populations near airports has partially offset these engineering gains.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Hull all risks (HAR)]]
* [[Definition:Hull deductible]]
* [[Definition:Foreign object damage (FOD)]]
* [[Definition:Aviation insurance]]
* [[Definition:Maintenance program]]
* [[Definition:Partial loss]]
{{Div col end}}

Definition:Ingestion damage - Revision history

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