FAA · Supplemental Type Certificate
STC SA5978NM
Installation of Matsushita Avionics Systems Corporation Video Entertainment System in accordance with TRAMCO Master Drawing List 92-113 revisions listed on the attached Approved Model List (AML) No. SA5978NM, or later FAA approved revisions of TRAMCO Master Drawing List 92-113.
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 (2)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗