A Special Airworthiness Information Bulletin (SAIB) is an information tool that alerts, educates, and makes recommendations to the aviation community about ways to improve the safety of a product. SAIBs are created by the US FAA and contain non-regulatory information and guidance that does not meet the criteria for an Airworthiness Directive (AD).
The decision whether or not to use an SAIB is made through the process outlined in FAA Order 8110.107, Monitor Safety/Analyze Data. Examples of situations where the issue of a SAIB is appropriate include: