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Atlas / STC / SR01410NY

FAA · Supplemental Type Certificate

STC SR01410NY

Installation of Isolair model 3900-350B2 spray system. Aircraft will be in restricted category. Weight limitations shall be AS350BA (4630 lbs.), AS350B1 (4850 lbs.), AS350B2 (4961 lbs.), AS350B3 (4961 lbs.).

Historical Reissued Aircraft Rotorcraft Rev 12/15/2011 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.

Applicable aircraft (4)

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 ↗