What it approves
Pratt & Whitney R-985-APS4 installation converted under STC SE4-864.
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 · Aviation Power Supply Inc
- Holder
- Aviation Power Supply Inc · United States
- Status
- Current · Issued
- Status date
- January 1, 1960
- Product
- Aircraft · Single-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA-806
From FAA DRS. DRS record last changed December 6, 2025.