FAA · Supplemental Type Certificate
STC SA2539SW-D
Replacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting 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 (14)
- 4A21 The Boeing Company · 707-200
- 4A21 The Boeing Company · 707-100 Long Body
- 4A26 The Boeing Company · 707-300
- 4A28 The Boeing Company · 720
- A16WE The Boeing Company · 737-200 Series
- A16WE The Boeing Company · 737
- A3WE The Boeing Company · 727
- A5EU British Aerospace Airbus Limited · 1-11 Series
- 4A27 General Dynamics Corporation · 22M
- 4A27 General Dynamics Corporation · 22
- 4A30 General Dynamics Corporation · 30A
- 4A30 General Dynamics Corporation · 30
- 4A25 McDonnell Douglas Corporation · DC-8 Series
- A6WE McDonnell Douglas Corporation · DC-9 Series
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗