Skip to content

Atlas / STC / SH5707NM

FAA · Supplemental Type Certificate

STC SH5707NM

Fabrication of Onboard Systems Model 200-088-01, -02, -03, or -04 (without load weight), or 200-089-01, -02, -03, or -04 (with load weigh) cargo hook suspension system.

Historical Amended Aircraft Rotorcraft Rev 05/03/2006 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 ↗