STC SA1754CE

Installation of modified 300 hp. turbo-supercharged TSIO-520-G-CS82 Continental engine and D3A32C90/82NC-2 McCauley propeller

Current Reissued Aircraft Single-Engine Rev 12/03/1991 View PDF on drs.faa.gov ↗

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 (2)

3A24 The Cessna Aircraft Company · A185F
3A24 The Cessna Aircraft Company · A185E

Certification basis — 14 CFR

Part 21

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 ↗