FAA · Supplemental Type Certificate
STC ST09476SC
Installation of Luminator aircraft Products floor Proximity Escape Path Marking Lights. (757-204, -208, -212, -21B, -21K, -222, -223, -224, -225, -22K, -230, -231, -232, -236)
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 ↗