Skip to content

Atlas / STC / SA8466SW

FAA · Supplemental Type Certificate

STC SA8466SW

Recore of AiResearch engine oil coolers p/n 160283-3 and 160282-4 with Lori core assembly P/N L8602548-1.

Historical Reissued Aircraft Large Multi-Engine Rev 11/15/2005 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 (3)

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 ↗