# STC SA4426NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Baxter Marshall E, United States
- Description: Installation of aileron gap seals.
- Status date: February 7, 1986
- 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/6B129DF9A120EC8F85256CC2000E3C68.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4426NM

## ADs that name it (0)

None.

## Approved models (9)

- Navion Aircraft Company Ltd. Navion (L-17A) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion A (L-17B) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion A (L-17C) ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion B ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion D ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion E ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion F ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion G ([TCDS A-782](https://openairdocs.org/tcds/A-782))
- Navion Aircraft Company Ltd. Navion H ([TCDS A-782](https://openairdocs.org/tcds/A-782))

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