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Atlas / STC / SA01866WI

FAA · Supplemental Type Certificate

STC SA01866WI

Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection

Historical Issued Aircraft Small Airplane Rev 12/21/2017 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 (64)

+ 14 more aircraft

Certification basis — 14 CFR

Specific sections

  • § 21.47
  • § 21.101
  • § 21.115
  • § 21.120
  • Sec. 23.143
  • Sec. 23.307
  • Sec. 23.337
  • Sec. 23.395
  • Sec. 23.561
  • Sec. 23.601
  • Sec. 23.603
  • Sec. 23.605
  • Sec. 23.607
  • Sec. 23.609
  • Sec. 23.611
  • Sec. 23.613
  • Sec. 23.627
  • Sec. 23.671
  • Sec. 23.677
  • Sec. 23.681
  • Sec. 23.683
  • Sec. 23.685
  • Sec. 23.853
  • Sec. 23.1321
  • Sec. 23.1322
  • Sec. 23.1329
  • Sec. 23.1331
  • Sec. 23.1335
  • Sec. 23.1351
  • Sec. 23.1357

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