EASA AD 2018-0002
Information Systems — —Primus Epic— System Software — Software Update
EASA Airworthiness Directive 2018-0002 is an official regulatory document addressing software updates for the "Primus Epic" system installed on Leonardo S.p.A. AB139 and AW139 helicopters. This directive applies to specific serial numbers equipped with software releases 7.4, 7.7, or 7.10. It mandates an upgrade to improved software versions to ensure continued airworthiness and system reliability.