FAA · Supplemental Type Certificate
STC SA10074SC
Installation of CMI FADEC IOF-550 engine
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 (11)
- 3A15 Beechcraft Corporation · 35-C33A
- 3A15 Beechcraft Corporation · 36
- 3A15 Beechcraft Corporation · A36
- 3A15 Beechcraft Corporation · E33A
- 3A15 Beechcraft Corporation · E33C
- 3A15 Beechcraft Corporation · F33A
- 3A15 Beechcraft Corporation · F33C
- 3A15 Beechcraft Corporation · S35
- 3A15 Beechcraft Corporation · V35
- 3A15 Beechcraft Corporation · V35A
- 3A15 Beechcraft Corporation · V35B
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 ↗