FAA · Supplemental Type Certificate
STC ST00608AT
Installation of a Trimble TNL 2100T global positioning 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 (9)
- A6WE McDonnell Douglas Corporation · DC-9-51
- A6WE McDonnell Douglas Corporation · DC-9-10 Series
- A6WE McDonnell Douglas Corporation · DC-9-21
- A6WE McDonnell Douglas Corporation · DC-9-30 Series
- A6WE McDonnell Douglas Corporation · DC-9-87 (MD-87)
- A6WE McDonnell Douglas Corporation · DC-9-83 (MD-83)
- A6WE McDonnell Douglas Corporation · DC-9-82 (MD-82)
- A6WE McDonnell Douglas Corporation · DC-9-81 (MD-81)
- A6WE McDonnell Douglas Corporation · DC-9-41
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 ↗