# STC SA578WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Intermountain Avn Inc, United States
- Description: Cargo door in lower aft fuselage.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS L-3-4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DE04269823A5F7F6862570D10071A38F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA578WE

## ADs that name it (0)

None.

## Approved models (2)

- Douglas Aircraft Co. Inc. Army A-26B (TCDS L-3-4)
- Douglas Aircraft Co. Inc. Army A-26C (TCDS L-3-4)

---
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.
