# STC SA494AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Univair Aircraft Corp, United States
- Description: Installation of electric fuel gauges.
- Applied: November 1, 1971
- Status date: July 9, 1981
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780)
- Certificate PDF: https://openairdocs.org/files/sha256/49/09/490948100dac6f17a19ba3090eac383207cff47a90dda4c99d5d46ac2d087b98
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2159E3FFCAC505E485256CC2000E3FDF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA494AL

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-12 ([TCDS A-780](https://openairdocs.org/tcds/A-780))
- The New Piper Aircraft Inc. PA-12S ([TCDS A-780](https://openairdocs.org/tcds/A-780))

## What the certificate says

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

## Every issue (1)

- July 9, 1981: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/49/09/490948100dac6f17a19ba3090eac383207cff47a90dda4c99d5d46ac2d087b98)

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