Supplemental type certificate · Boeing Company
- Holder
- Boeing Company · United States
- Status
- Current · Issued
- Status date
- January 1, 1960
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Unifreight Mark V Model C cargo handling system. (Original approval issued to American Machine & Foundry Co.)
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 · 2
| Make | Model | Data sheet |
|---|
| The Boeing Company | 707 Series | 4A21 |
| The Boeing Company | 707 Series | 4A26 |