FAA · Supplemental Type Certificate
STC SR02021AT
Manufacture of Replacement Locking Door Handle in accordance with Aeronautical Accessories, Inc. Report No. AA-98026, no revision, dated February 11, 1998 or later FAA approved revisions and installation per Report No. AA-96072, Revision D, dated February 11, 1998, 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 (7)
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗