STC SA4903NM

Installation of Continental TSIO-520-D engine and McCauley 3A32C76-S- M/82NM-2 propeller,derated to 260 hp and 2625 rpm.

Historical Reissued Aircraft Small Airplane Rev 05/16/2022 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)

3A15 Textron Aviation Inc. · P35

Certification basis — 14 CFR

Part 3
Part 21

Specific sections

§ 21.47
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗