STC ST04178AT

Replace original equipment Nickel-Cadmium (NiCd) main and auxiliary batteries with Concorde Lead-Acid, main and auxiliary batteries along with associated hardware

Current Issued Aircraft Large Airplane Rev 09/30/2014 View PDF on drs.faa.gov ↗

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 EADS CASA · C-212-CB
A43EU EADS CASA · C-212-CC
A43EU EADS CASA · C-212-CD
A43EU EADS CASA · C-212-CE
A43EU EADS CASA · C-212-CF
A43EU EADS CASA · C-212-DE
A43EU EADS CASA · C-212-DF

Certification basis — 14 CFR

Part 21
Part 25

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47
§ 21.101
§ 21.115
§ 21.120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗