FAA · Supplemental Type Certificate
STC ST03305AT
Installation of a SINGLE Class-A Sandel ST3400 Terrain Awareness Warning System (TAWS), pilot and co-pilot annunciator panels, and Air Data Computer (ADC) .
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 (7)
- A43EU Construcciones Aeronauticas S.A. · C-212-CB
- A43EU Construcciones Aeronauticas S.A. · C-212-CC
- A43EU Construcciones Aeronauticas S.A. · C-212-CD
- A43EU Construcciones Aeronauticas S.A. · C-212-CE
- A43EU Construcciones Aeronauticas S.A. · C-212-CF
- A43EU Construcciones Aeronauticas S.A. · C-212-DE
- A43EU Construcciones Aeronauticas S.A. · C-212-DF
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗