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Atlas / STC / SA2532NM

FAA · Supplemental Type Certificate

STC SA2532NM

Installation of Collins Model EFIS 85a, 4 tube electronic flight instrument system and dual Collins Model FD-109 flight director system. (1-11 SERIES 401/AK)

Historical Surrendered Aircraft Large Multi-Engine Rev 03/19/2009 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.

Certification basis — 14 CFR

Comments

See SA2532NM-D for surrendered certificate

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