FAA · Supplemental Type Certificate
STC ST11169SC
Installation of a Rockwell Collins Pro Line 21 update to include TAWS mode 5 warnings during LPV approaches, optional ADS-B Out and optional synthetic vision system (SVS)
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 (4)
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗