# STC SA118SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Carrier Eng Service Inc, United States
- Description: BS-040-2 oil separator.
- Status date: January 1, 1960
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A6](https://openairdocs.org/tcds/6A6), [TCDS A-793](https://openairdocs.org/tcds/A-793)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CCC5BCFECE8599E4862570C700645BDE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA118SO

## ADs that name it (0)

None.

## Approved models (3)

- 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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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.