# STC SA1087WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Intermountain Avn Inc, United States
- Description: AiResearch ATR4125-16 or 86727 aluminum oil cooler.
- Status date: January 1, 1961
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A2](https://openairdocs.org/tcds/3A2), [TCDS A-772](https://openairdocs.org/tcds/A-772), [TCDS A-786](https://openairdocs.org/tcds/A-786), [TCDS A-789](https://openairdocs.org/tcds/A-789), [TCDS A-808](https://openairdocs.org/tcds/A-808)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DF8646F742EC521F862570D5006E4093.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1087WE

## ADs that name it (0)

None.

## Approved models (5)

- Curtiss-Wright Corporation C-46 Series ([TCDS 3A2](https://openairdocs.org/tcds/3A2))
- Curtiss-Wright Corporation C-46 Series ([TCDS A-772](https://openairdocs.org/tcds/A-772))
- Curtiss-Wright Corporation C-46 Series ([TCDS A-789](https://openairdocs.org/tcds/A-789))
- Curtiss-Wright Corporation C-46E ([TCDS A-786](https://openairdocs.org/tcds/A-786))
- Curtiss-Wright Corporation C-46F ([TCDS A-808](https://openairdocs.org/tcds/A-808))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
