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Atlas / STC / ST04359CH

FAA · Supplemental Type Certificate

STC ST04359CH

Reduction of payload to 7500 lbs. Installation of placard per Rezich & Rezich drawing RR004, Revision NONE, dated August 25, 2017,, or later FAA approved revision.

Current Issued Aircraft Large Airplane Rev 12/06/2018 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.

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 ↗