FAA · Supplemental Type Certificate
STC SA1435GL
Installation of ABEX hydraulic pumps, P/N 57155, in rudder, spoilers and auxiliary systems.
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 (11)
- ATC 178 Alliance Aircraft Group LLC · Argo
- 4A25 McDonnell Douglas Corporation · DC-8-62
- 4A25 McDonnell Douglas Corporation · DC-8-61
- 4A25 McDonnell Douglas Corporation · DC-8-62F
- 4A25 McDonnell Douglas Corporation · DC-8-63
- 4A25 McDonnell Douglas Corporation · DC-8-63F
- 4A25 McDonnell Douglas Corporation · DC-8-71
- 4A25 McDonnell Douglas Corporation · DC-8-72
- 4A25 McDonnell Douglas Corporation · DC-8-72F
- 4A25 McDonnell Douglas Corporation · DC-8-73F
- 4A25 McDonnell Douglas Corporation · DC-8-73
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 ↗