EASA AD 26-075
Integrated Modular Avionics – Primus APEX DFZ Build 6.0 Software – Modification
EASA Airworthiness Directive PAD No. 26-075 is a proposed directive addressing the Primus APEX DFZ Build 6.0 software modification for Pilatus PC-24 aeroplanes, specifically those with manufacturer serial numbers 101 to 337 and 501 to 600. This directive targets the integrated modular avionics system to correct flight director calculation errors on affected aircraft. It applies to PC-24 aircraft equipped with earlier software versions and mandates software updates and flight manual amendments.