STC SA7420SW

Replace existing Grimes P/N 60-4068-1 emergency power supply with Vista Manufacturing, Inc., emergency power supply Model 65-3, P/N 87-5106-3, in accordance with Vista Manufacturing, Inc., Drawing List 88-5100-3, Rev. A, Dated April 11, 1988, or later FAA Approved Revision.

Current Reissued Aircraft Large Multi-Engine Rev 09/30/2011 View PDF on drs.faa.gov ↗

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)

A16WE The Boeing Company · 737

Certification basis — 14 CFR

Part 21
Part 25

Specific sections

§ 21.47
§ 21.111
§ 21.113
§ 21.115
§ 21.117
§ 21.119
§ 21.120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗