SA122ALAircraft structures
Separate metal and fabric covered sections of wing trailing edge and center section.
FAA holder: Alaska Coastal Airlines
Aircraft STC directory
General Dynamics 28-5ACF STCs
The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the General Dynamics 28-5ACF. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
6
listed Current at snapshot
3
holder directories
4
modification categories
Mar 27, 2009
latest recorded revision
Modification demand surface
Aircraft structures2
Engine and powerplant2
Cabin and interiors1
Other aircraft modifications1
Recorded holders
Recently revised 28-5ACF STCs
Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA4-1045Cabin and interiors
Enlarged opening in airstair interior side panel.
FAA holder: Alaska Coastal Airlines
SA4-1119Engine and powerplant
Installation of a PBY-6A tail on a 28-5ACF airplane with American Turbine Engine Company Spec PBY-6A-468 and American Turbine Engine Company Drawings PBY-109, PBY-110, PBY-111, and PBY-112.
FAA holder: West-Figueroa Trust
SA4-1154Engine and powerplant
Installation of a Cargo loading door per American Turbine Engine C, Drawing ALA-100, ALA-101, and ALA-102.
FAA holder: West-Figueroa Trust