FAA · Supplemental Type Certificate
STC ST09180AC
Installation of DeVore Wing Forward Position Lights
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 (17)
- A6WE The Boeing Company · DC-9-31
- A6WE The Boeing Company · DC-9-32
- A6WE The Boeing Company · DC-9-32 (VC-9C)
- A6WE The Boeing Company · DC-9-32F
- A6WE The Boeing Company · DC-9-32F (C-9A)
- A6WE The Boeing Company · DC-9-32F (C-9B)
- 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)
- A6WE The Boeing Company · MD-88
- A6WE The Boeing Company · MD-90-30
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗