FAA · Supplemental Type Certificate
STC ST00052BO
Installation of a Rockwell Collins TCAS-94 Traffic Alert and Collision Avoidance Systemm (TCAS II)with dual Rockwell Collins TVI-920D TA/RA/VSI indicators and dual Rockwell Collins TDR-94D mode S transponders.
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)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗