FAA · Supplemental Type Certificate
STC ST02618AT
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.
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (3)
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗