FAA · Supplemental Type Certificate

STC SA1NE

Installation of McCauley1B90/ECM7151 propeller on aircraft equipped with Continental C85-12FHJ engine in accordance with Butterworth Report 1000 dated 9/13/72.

Current Issued Aircraft Single-Engine Rev 11/15/1972 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 (1)

A-778 Superior Aircraft Company · Culver V

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 ↗