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Atlas / STC / SA03025CH

FAA · Supplemental Type Certificate

STC SA03025CH

Installation of weather research equipment and weather modification equipment for the purpose of modifying weather conditions in accordance with Master Data List Document No. 339-002-MDL_B200-300 revision B, dated October 06, 2011.

Historical Issued Aircraft Rev 11/09/2011 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 ↗