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Atlas / STC / SA04403CH

FAA · Supplemental Type Certificate

STC SA04403CH

EMS conversion in accordance with Spectrum Aeromed Master Drawing List 6056DL, Revision 1, dated March 14, 2019, or later FAA approved revisions.

Current Issued Aircraft Rev 06/28/2019 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 ↗