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Atlas / STC / SA2239CE

FAA · Supplemental Type Certificate

STC SA2239CE

Installation of TKS anti-icing system components, with placard stating 'FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED.' Data required. (A36 EXCEPT S/N E-1946 AND E-2104) (A36TC EXCEPT S/N EA-242)

Historical Reissued Aircraft Single-Engine Rev 12/09/2000 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

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