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Atlas / STC / ST00402LA-D

FAA · Supplemental Type Certificate

STC ST00402LA-D

Installation of Air Cargo Equipment Corporation cargo loading system in the forward and aft lower class D or class C cargo compartments in accordance with Air Cargo Equipment Corporation Master Data List E1221.MDL Revision New, dated March 19, 1999, or later FAA approved revision.

Historical Reissued Aircraft Large Multi-Engine Rev 10/12/2007 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

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