What it approves
Change from present partial chrome to full length chrome on cylinder walls.
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No AD in this release names this STC
Supplemental type certificate · Apache Airlines Inc
- Holder
- Apache Airlines Inc · United States
- Status
- Current · Issued
- Status date
- January 1, 1960
- Product
- Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.