# STC SA733WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aircraft Modification & Repair, United States
- Description: 12.7-gallon auxiliary fuel tank.
- Applied: May 1, 1964
- Status date: November 6, 1964
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS A-799](https://openairdocs.org/tcds/A-799)
- Certificate PDF: https://openairdocs.org/files/sha256/76/7c/767cf9fa379bf8eda01aa6c6ad3fcaedc837a1fb6a6fc1eeb9da8710fe95aed9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160084151920231010200424.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA733WE

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- The Cessna Aircraft Company 172 Series ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- November 6, 1964: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/76/7c/767cf9fa379bf8eda01aa6c6ad3fcaedc837a1fb6a6fc1eeb9da8710fe95aed9)

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