FAA · Supplemental Type Certificate
STC SA9039NM-D
Installation of vacuum flush toilets.
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 (18)
- A35EU Airbus · A300 B4-600 Series
- A35EU Airbus · A310 200 Series
- A35EU Airbus · A310 300 Series
- A43NM Airbus · A340-211
- A43NM Airbus · A340-311
- A43NM Airbus · A340-313
- A43NM Airbus · A340-213
- A43NM Airbus · A340-312
- A43NM Airbus · A340-212
- A46NM Airbus · A330-323
- A46NM Airbus · A330-321
- A46NM Airbus · A330-223
- A46NM Airbus · A330-322
- A46NM Airbus · A330-202
- A46NM Airbus · A330-301
- A1NM The Boeing Company · 767-200 Series
- A1NM The Boeing Company · 767-300 Series
- A20WE The Boeing Company · 747-400 Series
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 ↗