FAA · Supplemental Type Certificate
STC SA2451SW
Installation of Marathon Battery Co. part 85-0050, or 85-0060 six cell magnesium emergency light pack.
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 (27)
- 4A26 The Boeing Company · 707-300 Series
- 4A26 The Boeing Company · 707-300B Series
- 4A26 The Boeing Company · 707-300C Series
- 4A26 The Boeing Company · 707-400 Series
- A3WE The Boeing Company · 727 Series
- A6WE The Boeing Company · DC-9-11
- A6WE The Boeing Company · DC-9-12
- A6WE The Boeing Company · DC-9-13
- A6WE The Boeing Company · DC-9-14
- A6WE The Boeing Company · DC-9-15
- A6WE The Boeing Company · DC-9-15F
- A6WE The Boeing Company · DC-9-21
- A6WE The Boeing Company · DC-9-31
- A6WE The Boeing Company · DC-9-32 (VC-9C)
- A6WE The Boeing Company · DC-9-32
- A6WE The Boeing Company · DC-9-32F (C-9A)
- A6WE The Boeing Company · DC-9-32F (C-9B)
- A6WE The Boeing Company · DC-9-32F
- A6WE The Boeing Company · DC-9-33F
- A6WE The Boeing Company · DC-9-34
- A6WE The Boeing Company · DC-9-34F
- A6WE The Boeing Company · DC-9-41
- A6WE The Boeing Company · DC-9-51
- A6WE The Boeing Company · DC-9-81 (MD-81)
- A6WE The Boeing Company · DC-9-82 (MD-82)
- A6WE The Boeing Company · DC-9-83 (MD-83)
- A6WE The Boeing Company · DC-9-87 (MD-87)
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 ↗