FAA · Supplemental Type Certificate
STC SA2691SO
Installation of Cleveland hydraulic brake conversion kit no. 199-167
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 (19)
- ATC 560 Beech Aircraft Corporation · B17L
- ATC 602 Beech Aircraft Corporation · C17L (Army UC-43J)
- 679 Consolidated Vultee Aircraft Corporation Stinson Division · SR-10D
- 679 Consolidated Vultee Aircraft Corporation Stinson Division · SR-10K
- 685 Consolidated Vultee Aircraft Corporation Stinson Division · SR-10F (Army UC-81F)
- A-774 Consolidated Vultee Aircraft Corporation Stinson Division · V-77 (Army AT-19)
- ATC 580 Consolidated Vultee Aircraft Corporation Stinson Division · SR-6 Series
- ATC 594 Consolidated Vultee Aircraft Corporation Stinson Division · SR-7 Series
- ATC 608 Consolidated Vultee Aircraft Corporation Stinson Division · SR-8 Series
- ATC 625 Consolidated Vultee Aircraft Corporation Stinson Division · SR-9 Series
- A-717 Jobmaster Company · DGA-15 Series
- 641 Raytheon Aircraft Company · E17L
- 689 Raytheon Aircraft Company · F17D (Army UC-43C)
- 779 Raytheon Aircraft Company · G17S
- A-649 Raytheon Aircraft Company · D17S(Navy GB-1)
- A-649 Raytheon Aircraft Company · D17S (Army UC-43B)
- A-649 Raytheon Aircraft Company · D17S (Army UC-43)
- A-649 Raytheon Aircraft Company · D17S (Navy GB-2)
- 628 Spartan Aircraft Company · 7W (Army UC-71)
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 ↗