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FAA-listed STC holder

SouthWest Airlines STCs

The Jun 30, 2026 FAA DRS snapshot lists 3 selected supplemental type certificates with status Current under SouthWest Airlines. 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.

3
listed Current at snapshot
4
aircraft directories
2
modification categories
Jan 6, 2017
latest recorded revision

Modification mix

Other aircraft modifications2
Cabin and interiors1

Aircraft represented

Boeing 737-700 Series712 STCsBoeing 737-800 Series675 STCsBoeing 737-300 Series522 STCsBoeing 737-500 Series323 STCs

Recently revised records

Showing the 3 most recently revised records. Category directories provide the complete paginated discovery path.