FAA · Supplemental Type Certificate
STC SA2-926
Installation of Fiberglass covering.
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 (14)
- A-618 The Boeing Company · DC3-G102
- A-618 The Boeing Company · DC3-G102A
- A-618 The Boeing Company · DC3-G103A
- A-618 The Boeing Company · DC3-G202A
- A-669 The Boeing Company · DC3A-S1C3G
- A-669 The Boeing Company · DC3A-S1CG
- A-669 The Boeing Company · DC3A-S4C4G
- A-669 The Boeing Company · DC3A-SC3G
- A-669 The Boeing Company · DC3A-SCG
- A-669 The Boeing Company · DC3C-R-1830-90C
- A-669 The Boeing Company · DC3C-S1C3G
- A-669 The Boeing Company · DC3C-S4C4G
- A-669 The Boeing Company · DC3C-SC3G
- A-669 The Boeing Company · DC3D-R-1830-90C
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 ↗