# STC SA268SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Piedmont Aviation Inc, United States
- Description: Manufacture replacement parts for Adel ADZ24278.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A7](https://openairdocs.org/tcds/1A7)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B6DFAE346840D827862570C9005BCECB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA268SO

## ADs that name it (0)

None.

## Approved models (1)

- Martin-Marietta Corporation 404 ([TCDS 1A7](https://openairdocs.org/tcds/1A7))

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