Skip to content

Atlas / STC / SE4303NM

FAA · Supplemental Type Certificate

STC SE4303NM

Installation of pressurized magneto system for Bendix Models S6RN-25, S6LN-25, or Slick Models 6214 (6210 for LTSIO) or Model 6224 (6220 for LTSIO).

Historical Issued Engine Rev 04/25/1988 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 ↗