STC SA5919NM-D

: Installation of a modular cargo loading system in accordance with FAA Approved United Airlines, DAS-1-WE, Drawing List 5919, dated December 9, 1993, or FAA approved Air Cargo Equipment Corporations Index List IL-DSY4100, Revision A, dated May 9, 2000, or later FAA approved revisions.

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.

Applicable aircraft (6)

Certification basis — 14 CFR

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47

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