This Practice Note provides an introduction to aviation insurance and reinsurance, outlining the key market participants, the main types of cover and their role in aviation operations, leasing and finance. It also considers key policy provisions and legal and practical issues, including claims notification, jurisdiction, subrogation, aggregation and mitigation of loss.Introduction to aviation insurance and reinsuranceThe aviation insurance and reinsurance markets facilitate the management of an extensive range of risks associated with manufacturing, owning, operating and handling aircraft (and their constituent parts).Not least in view of the nature of the aviation industry, losses flowing from this range of risks can often be very significant in value, leading aviation insurers to further manage the accumulated risks that they take on through the extensive use of reinsurance.Finally, aviation-related risks by definition have an inherently international dimension, which then complicates the applicable legal and regulatory framework(s). As a consequence, all stakeholders, including insurers and reinsurers, have to navigate across a range of jurisdictions a complex