FAA · Supplemental Type Certificate
STC ST04516CH
Installation of a Universal Avionics CVR-120A Cockpit Voice Recorder in accordance with Premier Air Center LLC STC Master Data List, Doc. No. A21336L-242, Revision A, dated June 3, 2021, or later FAA-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)
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗