STC SA3-442

Hamilton Standard 22D30/6531-15, or Hartzell HC-93Z30-2D/10152--5 1/2, HCB3Z30-2D/10152-5 1/2, or HCB3Z30-2D/10160-6 propellers and related modifications.

Current Issued Aircraft Small Multi-Engine Rev 01/01/1960 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-765 Raytheon Aircraft Company · C-45 Series

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 ↗