What it approves
Cargo handling and power drive system.
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
Supplemental type certificate · Boeing Company
- Holder
- Boeing Company · United States
- Status
- Current · Amended
- Status date
- October 28, 1977
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA20WE
From FAA DRS. DRS record last changed December 5, 2025.