Supplemental type certificate · Provincetown-Boston Airlines
- Holder
- Provincetown-Boston Airlines · United States
- Status
- Current · Issued
- Status date
- January 23, 1985
- Applied
- November 30, 1984
- Product
- Aircraft · Large Airplane
From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.
What it approves
Installation of shoulder harness provisions for pilot, co-pilot and observer.
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 · 5
| Make | Model | Data sheet |
|---|
| The Boeing Company | DC3A-S1C3G | A-669 |
| The Boeing Company | DC3A-S1CG | A-669 |
| The Boeing Company | DC3A-S4C4G | A-669 |
| The Boeing Company | DC3A-SC3G | A-669 |
| The Boeing Company | DC3A-SCG | A-669 |