FAA · Supplemental Type Certificate
STC SE2587CE
Add unleaded and leaded automotive gasoline, 91 minimum antiknock index per ASTM specification D-439.
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 (53)
- E-274 Textron Lycoming AVCO Corporation · O-320-A1A
- E-274 Textron Lycoming AVCO Corporation · O-320-A1B
- E-274 Textron Lycoming AVCO Corporation · O-320-A2A
- E-274 Textron Lycoming AVCO Corporation · O-320-A2B
- E-274 Textron Lycoming AVCO Corporation · O-320-A2C
- E-274 Textron Lycoming AVCO Corporation · O-320-A2D
- E-274 Textron Lycoming AVCO Corporation · O-320-A3A
- E-274 Textron Lycoming AVCO Corporation · O-320-A3B
- E-274 Textron Lycoming AVCO Corporation · O-320-A3C
- E-274 Textron Lycoming AVCO Corporation · O-320-B1A
- E-274 Textron Lycoming AVCO Corporation · O-320-B1B
- E-274 Textron Lycoming AVCO Corporation · O-320-B2A
- E-274 Textron Lycoming AVCO Corporation · O-320-B2B
- E-274 Textron Lycoming AVCO Corporation · O-320-B2C
- E-274 Textron Lycoming AVCO Corporation · O-320-B2D
- E-274 Textron Lycoming AVCO Corporation · O-320-B3A
- E-274 Textron Lycoming AVCO Corporation · O-320-B3B
- E-274 Textron Lycoming AVCO Corporation · O-320-B3C
- E-274 Textron Lycoming AVCO Corporation · O-320-C1A
- E-274 Textron Lycoming AVCO Corporation · O-320-C1B
- E-274 Textron Lycoming AVCO Corporation · O-320-C2A
- E-274 Textron Lycoming AVCO Corporation · O-320-C2B
- E-274 Textron Lycoming AVCO Corporation · O-320-C2C
- E-274 Textron Lycoming AVCO Corporation · O-320-C3A
- E-274 Textron Lycoming AVCO Corporation · O-320-C3B
- E-274 Textron Lycoming AVCO Corporation · O-320-C3C
- E-274 Textron Lycoming AVCO Corporation · O-320-D1A
- E-274 Textron Lycoming AVCO Corporation · O-320-D1B
- E-274 Textron Lycoming AVCO Corporation · O-320-D1C
- E-274 Textron Lycoming AVCO Corporation · O-320-D1D
- E-274 Textron Lycoming AVCO Corporation · O-320-D1F
- E-274 Textron Lycoming AVCO Corporation · O-320-D2A
- E-274 Textron Lycoming AVCO Corporation · O-320-D2B
- E-274 Textron Lycoming AVCO Corporation · O-320-D2C
- E-274 Textron Lycoming AVCO Corporation · O-320-D2F
- E-274 Textron Lycoming AVCO Corporation · O-320-D2G
- E-274 Textron Lycoming AVCO Corporation · O-320-D2H
- E-274 Textron Lycoming AVCO Corporation · O-320-D2J
- E-274 Textron Lycoming AVCO Corporation · O-320-D3G
- E-274 Textron Lycoming AVCO Corporation · O-320-E1A
- E-274 Textron Lycoming AVCO Corporation · O-320-E1B
- E-274 Textron Lycoming AVCO Corporation · O-320-E1C
- E-274 Textron Lycoming AVCO Corporation · O-320-E1F
- E-274 Textron Lycoming AVCO Corporation · O-320-E1J
- E-274 Textron Lycoming AVCO Corporation · O-320-E2A
- E-274 Textron Lycoming AVCO Corporation · O-320-E2B
- E-274 Textron Lycoming AVCO Corporation · O-320-E2C
- E-274 Textron Lycoming AVCO Corporation · O-320-E2D
- E-274 Textron Lycoming AVCO Corporation · O-320-E2F
- E-274 Textron Lycoming AVCO Corporation · O-320-E2G
+ 3 more aircraft
Certification basis — 14 CFR
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 ↗