# STC SA3318WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Thermal Aircraft Company, United States
- Description: Installation of flap gap closures. (170B LANDPLANE ONLY, NORMAL & UTILITY CATEGORY)
- Status date: January 5, 1977
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/90C84F241953F6D185256CC2000A96C9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3318WE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))

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