FAA-listed STC holder
Duncan Aviation STCs
The Jun 30, 2026 FAA DRS snapshot lists 5 selected supplemental type certificates with status Current under Duncan Aviation. The records span 5 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Recently revised records
Showing the 5 most recently revised records. Category directories provide the complete paginated discovery path.
5 displayed records.
Search every indexed record for this holder. The table below contains the recently revised records shown on this page.
| STC and modification | Aircraft / model / TC | Source status and dates | Holder and authority |
|---|---|---|---|
ST424CHInstallation of a Sundstrand Mark V ground proximity warning with windshear detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Duncan Aviation FAA authority record |
SA02410CH-DInstallation of Rockwell Collins Pro Line 21 IDS (Integrated Display System) With IFIS-5000 (Integrated Flight Information System) and Engine Instrument Display.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Duncan Aviation FAA authority record |
ST273CHInstallation of a Collins TCAS94 TCAS II System.Other aircraft modificationsView record |
| Current at cited snapshot Application: Not listed | FAA holder: Duncan Aviation FAA authority record |
ST00273CHInstallation of a Collins TCAS94 TCAS II System, with change 7 software.Other aircraft modificationsView record |
| Current at cited snapshot Application: Not listed | FAA holder: Duncan Aviation FAA authority record |
ST140CHInstallation of a Bendix/King CAS 81 TCAS II system.Other aircraft modificationsView record |
| Current at cited snapshot Application: Not listed | FAA holder: Duncan Aviation FAA authority record |