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)
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 (1)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗