What it approves
Install winglet wingtips.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
This certificate is a scan without a text layerOpen the PDF to read it.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
No AD in this release names this STC
Approved models · 12
| Make | Model | Data sheet |
|---|---|---|
| Twin Commander Aircraft Corporation | 520 | 6A1 |
| Twin Commander Aircraft Corporation | 560 | 6A1 |
| Twin Commander Aircraft Corporation | 560-A | 6A1 |
| Twin Commander Aircraft Corporation | 680 | 2A4 |
| Twin Commander Aircraft Corporation | 680T | 2A4 |
| Twin Commander Aircraft Corporation | 680V | 2A4 |
| Twin Commander Aircraft Corporation | 680W | 2A4 |
| Twin Commander Aircraft Corporation | 681 | 2A4 |
| Twin Commander Aircraft Corporation | 685 | 2A4 |
| Twin Commander Aircraft Corporation | 690 | 2A4 |
| Twin Commander Aircraft Corporation | 690A | 2A4 |
| Twin Commander Aircraft Corporation | 690B | 2A4 |