FAA · Supplemental Type Certificate
STC SA7426SW
Replace existing emergency power supply with Vista Airpak 65B-42 in accordance with Vista Manufacturing, Inc., Drawing List 87-5300, Rev. B, Dated May 5, 1988, 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)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗