The FAA has issued a policy statement simplifying the replacement of vacuum-driven attitude indicators in light aircraft (under 6,000 pounds) with electronic units. This change classifies the ...
The FAA issued Emergency Airworthiness Directive (AD) 2020-18-51 due to failures in Sandia attitude indicators (P/N 306171-10 or 306171-20). These failures cause erroneous or conflicting attitude data ...