FAA · Supplemental Type Certificate
STC ST03716NY
Installation of the AFIRS 228 system
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 (8)
- A53EU ATR - GIE Avions de Transport Régional · ATR42-300
- A53EU ATR - GIE Avions de Transport Régional · ATR72-101
- A53EU ATR - GIE Avions de Transport Régional · ATR72-102
- A53EU ATR - GIE Avions de Transport Régional · ATR72-201
- A53EU ATR - GIE Avions de Transport Régional · ATR72-202
- A53EU ATR - GIE Avions de Transport Régional · ATR72-211
- A53EU ATR - GIE Avions de Transport Régional · ATR72-212
- A53EU ATR - GIE Avions de Transport Régional · ATR72-212A
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗