What it approves
Installation of smith Industries 504FAD2-3 digital air data computer
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 · Aircraft Systems & Mfg
- Holder
- Aircraft Systems & Mfg · United States
- Status
- Current · Amended
- Status date
- September 21, 1999
- Product
- Aircraft · Large Multi-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA6WE
From FAA DRS. DRS record last changed December 6, 2025.