FAA · Supplemental Type Certificate
STC SE00327AT
Installation of PC Safety Valve Kit.
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 (8)
- E10CE Allison Engine Company Inc. · 250-B17E
- E10CE Allison Engine Company Inc. · 250-B17
- E10CE Allison Engine Company Inc. · 250-B17B
- E10CE Allison Engine Company Inc. · 250-B17F/2
- E10CE Allison Engine Company Inc. · 250-B17D
- E10CE Allison Engine Company Inc. · 250-B17F
- E10CE Allison Engine Company Inc. · 250-B17F/1
- E10CE Allison Engine Company Inc. · 250-B17C
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 ↗