FAA · Supplemental Type Certificate
STC SA7427SW
Replace existing Grimes P/N 60-1321-1 emergency power supply with Vista Model 65-2, P/N 87-5106-2 emergency power supply in accordance with Vista Manufacturing, Inc., Drawing List 88-5100-2, Rev. A, Dated April 11, 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 ↗