# STC SA581CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lake 4 Sales Corporation, United States
- Description: Install cargo door.
- Status date: April 9, 1969
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A13](https://openairdocs.org/tcds/1A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4D65C8C5480DBE0885256CC200122BB7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA581CE

## ADs that name it (0)

None.

## Approved models (1)

- REVO Incorporated Lake LA-4 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))

---
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.