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Service Information Letter

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Article Information
Category: Airworthiness Airworthiness
Content source: SKYbrary About SKYbrary
Content control: EUROCONTROL EUROCONTROL
Publication Authority: SKYbrary SKYbrary

SIL

Definition

This document, or a similarly-named one, is used by manufacturers of aircraft, their engines or their components to communicate details of advisory action or other ‘useful information’ about their products which may enhance safety, reliability or reduce repetitive costs.

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