FAA · Supplemental Type Certificate
STC ST10893SC-D
: Installation of a Master Lavatory Shower Enclosure in accordance with Associated Air Center (AAC) "Master Document List" Document Number 2442000003, Revision A, dated December 20, 2010, or later FAA/ODA approved revision.
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 ↗