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Atlas / STC / ST10940SC

FAA · Supplemental Type Certificate

STC ST10940SC

Installation of an Executive Interior and Maximum Zero Fuel Weight limitation reduction from 28,814 pounds (13,070 kg) to 28,279 pounds (12,854 kg)

Historical Issued Aircraft Large Multi-Engine Rev 04/06/2009 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

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