Supplemental type certificate · D Napier & Son Ltd
- Holder
- D Napier & Son Ltd · United Kingdom
- 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
Napier Eland 504 turboprop engines with deHavilland PD216/466 propellers with XPR5662950SA-124 or PPR626950SA-124 blades.
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 |
|---|
| Tracor Flight Systems Inc. | 340 | 6A6 |
| Tracor Flight Systems Inc. | 440 Military C-131E | 6A6 |