# STC SA3830WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: AiResearch Aivation Service Co, United States
- Description: Installation of dual Delco C-IVA inertial navigation system.
- Status date: October 17, 1979
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A729E5738E4B198C85256CC2000C5AD7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3830WE

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 707-300 ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300B ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300C ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-400 Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

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