FAA · Supplemental Type Certificate
STC ST00735SE
Installation of AlliedSignal P/N 965-0649-005 Digital Flight Data Acquisition Unit (DFDAU) and necessary sensors to record eighteen (18) parameters of data per BFGoodrich Master Drawing List D99-0004, Sheets 1 & 2, Revision B, dated September
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 ↗