# STC SA4-890

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Glasco-Air Products, United States
- Description: Glass cloth applied on fuselage.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS ATC 423](https://openairdocs.org/tcds/ATC%20423)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B97A7D67F8E18282862570D0007623EA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-890

## ADs that name it (0)

None.

## Approved models (1)

- Consolidated Vultee Aircraft Corporation Stinson Division JR. S ([TCDS ATC 423](https://openairdocs.org/tcds/ATC%20423))

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