FAA · Supplemental Type Certificate
STC SB01983CH
Installation of tailcone ski rack in accordance with Branson Engineering Company, Inc. Drawing List No. 90005, Rev (A), dated July 1, 1995 or later FAA approved revision or Aviation Fabricators Drawing List AF-286, Rev (-), FAA approved February 6, 2004 or later FAA approved revision. Limited to installation on Z-90, serial number 6370 ONLY.
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 (1)
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗