FAA · Supplemental Type Certificate
STC SA2939NM
Installation of nacelle overwing storage lockers and lower flap fairing.
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)
- 3A20 Raytheon Aircraft Company · 65-90
- 3A20 Raytheon Aircraft Company · 65-A90
- 3A20 Raytheon Aircraft Company · B90
- 3A20 Raytheon Aircraft Company · C90
- 3A20 Raytheon Aircraft Company · C90A
- 3A20 Raytheon Aircraft Company · C90GT
- 3A20 Raytheon Aircraft Company · E90
- 3A20 Textron Aviation Inc. · C90GTi
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗