FAA · Supplemental Type Certificate
STC ST11283DS
Installation of Aviation Clean Air (ACA) aircraft ionization units
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 (16)
- A28NM Airbus SAS · A320-111
- A28NM Airbus SAS · A320-211
- A28NM Airbus SAS · A320-212
- A28NM Airbus SAS · A320-214
- A28NM Airbus SAS · A320-216
- A28NM Airbus SAS · A320-231
- A28NM Airbus SAS · A320-232
- A28NM Airbus SAS · A320-233
- A28NM Airbus SAS · A321-111
- A28NM Airbus SAS · A321-112
- A28NM Airbus SAS · A321-131
- A28NM Airbus SAS · A321-211
- A28NM Airbus SAS · A321-212
- A28NM Airbus SAS · A321-213
- A28NM Airbus SAS · A321-231
- A28NM Airbus SAS · A321-232
Specific sections
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗