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Atlas / STC / SH5758NM

FAA · Supplemental Type Certificate

STC SH5758NM

Fabrication of the Onboard Model 200-095-00 Multi-Channel Electrical Slip-Ring Kit in accordance with Onboard Systems Master Drawing List No. 155-022-00, Revision B, dated March 11, 2010, or later FAA approved revision; and installation of this system in accordance with FAA approved Onboard Systems Owner's Manual No. 120-034-01, Revision 11, dated March 11, 2010, or later FAA approved revision. Inspect the Multi-Channel Slip-Ring Kit in accordance with Section 4 of Onboard Systems Owner's Manual No. 120-034-01, Revision 11, dated March 11, 2010, or later FAA approved revision.

Historical Amended Aircraft Rotorcraft Rev 05/16/2011 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 ↗