FAA · Supplemental Type Certificate
STC ST466CH
Installation of a pneumatic flow control system.
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)
- 4A25 McDonnell Douglas Corporation · DC-8-33
- 4A25 McDonnell Douglas Corporation · DC-8-55
- 4A25 McDonnell Douglas Corporation · DC-8-32
- 4A25 McDonnell Douglas Corporation · DC-8-41
- 4A25 McDonnell Douglas Corporation · DC-8-42
- 4A25 McDonnell Douglas Corporation · DC-8-43
- 4A25 McDonnell Douglas Corporation · DC-8-51
- 4A25 McDonnell Douglas Corporation · DC-8-52
- 4A25 McDonnell Douglas Corporation · DC-8-53
- 4A25 McDonnell Douglas Corporation · DC-8-61
- 4A25 McDonnell Douglas Corporation · DC-8-63
- 4A25 McDonnell Douglas Corporation · DC-8-62F
- 4A25 McDonnell Douglas Corporation · DC-8-62
- 4A25 McDonnell Douglas Corporation · DC-8-31
- 4A25 McDonnell Douglas Corporation · DC-8-63F
- 4A25 McDonnell Douglas Corporation · DC-8-61F
- 4A25 McDonnell Douglas Corporation · DC-8F-54
- 4A25 McDonnell Douglas Corporation · DC-8F-55
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 ↗