FAA · Supplemental Type Certificate
STC ST01491SE
Installation of the Mark V Enhanced Ground Proximity Warning System (EGPWS) Runway Awareness and Advisory System (RAAS) in accordance with Honeywell Master Drawing List 960-2227-013, Revision A, dated November 15, 2004 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 (2)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗