This Special Airworthiness Information Bulletin is being issued to alert operators and maintenance personnel of an airworthiness concern, specifically possible induced heading errors in systems using magnetic sensitive sensors such as magnetometers to provide heading information.
At this time, the airworthiness concern is not an unsafe condition that would warrant airworthiness directive (AD) action under Title 14 of the Code of Federal Regulations (14 CFR) part 39.
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