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Atlas / STC / SA03283CH

FAA · Supplemental Type Certificate

STC SA03283CH

Installation of a 450 H.P. Pratt & Whitney Model R985-AN-14B Engine with Hamilton Standard Propeller Model 6167A-12 propeller and Model 2D30-237 Hub

Current Issued Aircraft Small Airplane Rev 12/05/2013 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)

Certification basis — 14 CFR

Specific sections

  • Sec. 111
  • Sec. 113
  • Sec. 115
  • Sec. 117
  • Sec. 119
  • Sec. 120
  • § 21.47

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