# STC SA5621SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aero Safe Corporation, United States
- Description: Installation of electrically driven vacuum pump.
- Applied: September 22, 1983
- Status date: April 6, 2007
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/96/3e/963e67382382d14f0d14f4b0571034668b8a935a31370b2dcd1da37bba2cc307
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/16B6264F9908C2BD862572DE004B63A9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5621SW

## ADs that name it (0)

None.

## Approved models (12)

- Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part 3 of the Civil Air Regulations.

Installation of an electrically driven vacuum pump as standby auxiliary pump in accordance with Drawing List 820450, Change A dated 11/15/83, or later FAA approved revision.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Aero Safe Corporation, a Texas Corporation 5300B Airport Road Mineral Wells Municipal Airport Mineral Wells, TX 76067 3A12 Make : Cessna Model : 172D; 172E; 172F; 172G; 172H; 172I; 172K;

172L; 172M; 172N; 172P; 172Q Date of application : September 22, 1983

Date of issuance : December 30, 1983

Date reissued : 4/17/00; 4/6/07

Date amended : December 12, 2000 Rev. 1

( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- April 6, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/96/3e/963e67382382d14f0d14f4b0571034668b8a935a31370b2dcd1da37bba2cc307)

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