This Supplemental Type Certificate authorizes autopilot-coupled RNAV (GPS) approaches to LPV and LNAV/VNAV minima when there is a functioning Pilatus option radar altimeter installed and the aircraft verified to meet the requirements of Pilatus Business Aircraft Installation Instructions Document No. P25-486-007 Revision IR, dated August 15, 2011, FAA approved October 25, 2011, or later FAA approved revision. View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.