# STC SA1-500

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Butler Aviation, United States
- Description: Waste King flight data recorder5424.
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 6A6](https://openairdocs.org/tcds/6A6)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/34EFB1739D3CB4D785256CC10080DB79.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1-500

## ADs that name it (0)

None.

## Approved models (2)

- Tracor Flight Systems Inc. 340 ([TCDS 6A6](https://openairdocs.org/tcds/6A6))
- Tracor Flight Systems Inc. 440 Military C-131E ([TCDS 6A6](https://openairdocs.org/tcds/6A6))

---
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.