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FAA-listed STC holder

D & D Design Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under D & D Design Inc. The records span 4 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

4
listed Current at snapshot
4
aircraft directories
2
modification categories
Aug 23, 2004
latest recorded revision

Modification mix

Other aircraft modifications3
Cabin and interiors1

Aircraft represented

Gulfstream Aerospace G-IV332 STCsSikorsky Aircraft S-76C226 STCsSikorsky Aircraft S-76B169 STCsEurocopter France EC 155B15 STCs

Recently revised records

Showing the 4 most recently revised records. Category directories provide the complete paginated discovery path.