# STC SA318GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Williams Robert or Barbara, United States
- Description: Installation of Bolen wheel extenders on Cessna models modified per STC SA175GL and/or SA268GL.
- Status date: April 13, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DF08645B5EA6991085256CC2000A9500.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA318GL

## ADs that name it (0)

None.

## Approved models (6)

- The Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.