# STC SA4-568

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Dow-Elco Inc, United States
- Description: Engine mount core assemblies DE1468.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A5](https://openairdocs.org/tcds/2A5), [TCDS 1A7](https://openairdocs.org/tcds/1A7), [TCDS A-795](https://openairdocs.org/tcds/A-795), [TCDS 6A3](https://openairdocs.org/tcds/6A3), [TCDS 6A4](https://openairdocs.org/tcds/6A4), [TCDS A-781](https://openairdocs.org/tcds/A-781), [TCDS 6A6](https://openairdocs.org/tcds/6A6), [TCDS A-793](https://openairdocs.org/tcds/A-793)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FDD85E47611FE716862570D0007B9560.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-568

## ADs that name it (0)

None.

## Approved models (9)

- Curtiss-Wright Corporation C-46/CW20-T ([TCDS 2A5](https://openairdocs.org/tcds/2A5))
- Martin-Marietta Corporation 202 ([TCDS A-795](https://openairdocs.org/tcds/A-795))
- Martin-Marietta Corporation 404 ([TCDS 1A7](https://openairdocs.org/tcds/1A7))
- McDonnell Douglas Corporation DC-6 ([TCDS A-781](https://openairdocs.org/tcds/A-781))
- McDonnell Douglas Corporation DC-6 Series ([TCDS 6A3](https://openairdocs.org/tcds/6A3))
- McDonnell Douglas Corporation DC-6B (Navy R6D-1Z) ([TCDS 6A4](https://openairdocs.org/tcds/6A4))
- Tracor Flight Systems Inc. 240 Series ([TCDS A-793](https://openairdocs.org/tcds/A-793))
- Tracor Flight Systems Inc. 340 ([TCDS 6A6](https://openairdocs.org/tcds/6A6))
- Tracor Flight Systems Inc. 440 Military C-131E ([TCDS 6A6](https://openairdocs.org/tcds/6A6))

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