# STC SA4-985

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Glasco-Air Products, United States
- Description: Fiberglass covering on wings, ailerons, and fuselage.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-706](https://openairdocs.org/tcds/A-706), [TCDS A-707](https://openairdocs.org/tcds/A-707)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/662820703720D0FF862570D100520046.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-985

## ADs that name it (0)

None.

## Approved models (2)

- Fairchild Industries Inc. 24R Series ([TCDS A-706](https://openairdocs.org/tcds/A-706))
- Fairchild Industries Inc. 24W Series ([TCDS A-707](https://openairdocs.org/tcds/A-707))

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