# STC SA4418NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Beechcraft West-Hayward, United States
- Description: Installation of dual engine driven vacuum pump system for operation of flight instruments.
- Status date: April 30, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A9C7CF53D963992785256CC2000E3C5A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4418NM

## ADs that name it (0)

None.

## Approved models (6)

- Raytheon Aircraft Company 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

---
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.