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Atlas / STC / ST01307WI-D (1 OF 2)

FAA · Supplemental Type Certificate

STC ST01307WI-D (1 OF 2)

Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation in accordance with Collins Drawing Index as listed on AML No. ST01307WI-D, Revision -, or later FAA approved revision.

Historical Issued Aircraft Large Multi-Engine Rev 02/16/2005 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 (186)

+ 136 more aircraft

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 ↗