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FAA-listed STC holder

Greenwich Aircraft Corporation STCs

The Jun 30, 2026 FAA DRS snapshot lists 4 selected supplemental type certificates with status Current under Greenwich Aircraft Corporation. The records span 6 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
6
aircraft directories
2
modification categories
Mar 31, 2020
latest recorded revision

Modification mix

Other aircraft modifications3
Fuel systems1

Aircraft represented

Boeing DC3C-S4C4G91 STCsBoeing DC3C-S1C3G90 STCsBoeing DC3C-SC3G88 STCsBoeing DC3C-R-1830-90C87 STCsBoeing DC3A-S1C3G70 STCsBoeing DC3A-SC3G68 STCs

Recently revised records

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