Installation of a hush kit in accordance with Quiet Technology Aerospace Master Drawing List QTA-4016, Revision E dated January 10, 2003 or later FAA Approved Revision and Installation Procedures QTA-4025 Rev IR, dated October 8, 2002 or later FAA Approved Revision. Approved Airplane Flight Manual Supplements: QTA-4036 (MTOW 57,500 and 59, 500 for GII) Rev A, dated September 10, 2003 or later FAA Approved Revision, QTA-4045 (MTOW 62, 000 for GII) Rev-, dated September 10, 2003 or later FAA Approved Revision, QTA-4046 (MTOW 64, 800 for GII) Rev-, dated September 10, 2003 or later FAA Approved Revision, QTA-4030 (GIIB) Rev A, dated September 10, 2003 or later FAA Approved Revision or QTA-4031 (GIII) , Rev. A, dated September 10, 2003 or later FAA Approved Revision, as applicable to the modified airplane, are a required part of this STC. View PDF on drs.faa.gov ↗

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