# STC SA4-241

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: MidContinent Instru Co Inc, United States
- Description: Change in incidence angle of horizontal stabilizer for Symons Engineering kit.
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C321656A114B467885256CC2000C5E21.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-241

## ADs that name it (0)

None.

## Approved models (1)

- Navion Aircraft Company Ltd. Navion Series ([TCDS A-782](https://openairdocs.org/tcds/A-782))

---
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.