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Atlas / STC / SA01958WI

FAA · Supplemental Type Certificate

STC SA01958WI

Installation of Garmin Avionics Modernization Package

Historical Issued Aircraft Small Airplane Rev 12/23/2020 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

  • § 21.47
  • Sec. 23.13
  • Sec. 23.29
  • § 21.111
  • § 21.113
  • § 21.115
  • § 21.117
  • § 21.119
  • § 21.120
  • Sec. 23.251
  • Sec. 23.301
  • Sec. 23.303
  • Sec. 23.305
  • Sec. 23.307
  • Sec. 23.335
  • Sec. 23.337
  • Sec. 23.341
  • Sec. 23.365
  • Sec. 23.473
  • Sec. 23.485
  • Sec. 23.561
  • Sec. 23.571
  • Sec. 23.573
  • Sec. 23.575
  • Sec. 23.601
  • Sec. 23.603
  • Sec. 23.605
  • Sec. 23.607
  • Sec. 23.609
  • Sec. 23.611

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