FAA · Supplemental Type Certificate
STC SA3254WE
Nose wheel installation.
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 (7)
- A-762 McDonnell Douglas Corporation · C54G-DC (Navy R5D-5)
- A-762 McDonnell Douglas Corporation · C54G-DC (Army C-54G)
- A-762 McDonnell Douglas Corporation · C54D-DC (Navy R5D-3)
- A-762 McDonnell Douglas Corporation · C54D-DC (Army C-54D)
- A-762 McDonnell Douglas Corporation · C54B-DC (Navy R5D-2)
- A-762 McDonnell Douglas Corporation · C54B-DC (Army C-54B)
- A-762 McDonnell Douglas Corporation · DC-4
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗