# STC SA1931SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Maule Aerospace Technologies, Inc, United States
- Description: Conversion of Model M-5-180C airplane to Model MX-7-180.
- Status date: May 1, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/909BF19667659D7C85256CC10083D2EA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1931SO

## ADs that name it (0)

None.

## Approved models (1)

- Maule Aerospace Technology Inc. Bee Dee M-5-180C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

---
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.