FAA · Supplemental Type Certificate
STC SA2912NM
Installation of a Continental IO-360-C engine, McCauley 1B235/DFC7846 propeller, Maule fuel reservoir tank and fuel shut-off valve, Continental C-145 heat exhchanger, Cessna R172K engine mount, Cessna 337 exhaust system, electric fuel pump, and relocated the fuel tank vents and battery
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)
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 ↗