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Atlas / STC / ST03502NY

FAA · Supplemental Type Certificate

STC ST03502NY

Installation of Air Ambulance Equipment, Mission Equipment "Quick - Conversion", Part Number AW139-25-20-37.000-60x model

Current Issued Aircraft Rotorcraft Rev 01/22/2015 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

Specific sections

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