STC ST01761NY

Conversion of an ATR-420/300/320 passenger configuration into a full Class E cargo configuration, including a new lining, smoke detection system, large cargo door with an embedded crew door, and provisions for the transportation of bulk weight and standard unit load devices.

Historical Reissued Aircraft Large Multi-Engine Rev 07/09/2017 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 (5)

A53EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · ATR42-300
A53EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · ATR42-320
A53EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · ATR72-201
A53EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · ATR72-211
A53EU Aerospatiale (Societe Nationale Industrielle Aerospatiale) · ATR72-212

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
§ 25.321
§ 25.331
§ 25.341
§ 25.345
§ 25.349
§ 25.351
§ 25.373
§ 25.391
§ 25.393
§ 25.395
§ 25.397
§ 25.399
§ 25.405
§ 25.407
§ 25.409
§ 25.415
§ 25.427
§ 25.445
§ 25.457
§ 25.459

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