# STC SA03105AT

- Type: Supplemental type certificate
- Status: Historical, Surrendered
- Holder: MilSpec Products Inc, United States
- Description: Manufacture of engine cowling fasteners in accordance with MilSpec Products, Inc., Master Drawing List No. C150MDL, Revision A, dated May 1, 2005, or later FAA approved revision. Installation of engine cowling fasteners in accordance with MilSpec Products, Inc., Installation Instructions Document No. MS-C150C, Revision A, dated February 22, 2005, or later FAA approved revision.
- Applied: May 1, 2005
- Status date: February 19, 2020
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/75/fb/75fb5b225892b65b0f248e76a7c6965f2d11d393a77d494fac682c5a92393215
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B80420F72F65FCF58625701400530C67.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA03105AT

## ADs that name it (0)

None.

## Approved models (26)

- Cessna Aircraft Company, The 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company, The 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- 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))
- The Cessna Aircraft Company 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150L ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- The Cessna Aircraft Company 150M ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

## 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.

31537 Long Acres Drive Sorrento, FL 32776

Part 3 of the Civil Air Regulations.

Original Product--Type Certificate Number : 3A19 Make : Cessna Model : 150 Series

Description of Type Design Change: Manufacture of engine cowling fasteners in accordance with MilSpec Products, Inc., Master Drawing List No. C150MDL, Revision A, dated May 1, 2005, or later FAA approved revision. Installation of engine cowling fasteners in accordance with MilSpec Products, Inc., Installation Instructions Document No. MS-C150C, Revision A, dated February 22, 2005, or later FAA approved revision.

Limitations and Conditions: The compatibility of this design change with other previously approved modifications must be determined by the installer. If the holder of this STC agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : May 01, 2005

Date of issuance : May 23, 2005 Date reissued :

( Signature) Melvin D. Taylor Manager, ACE-115A Atlanta Aircraft Certification Office

(Title)

## Every issue (2)

- February 19, 2020: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/75/fb/75fb5b225892b65b0f248e76a7c6965f2d11d393a77d494fac682c5a92393215)
- February 19, 2020: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/97/eb/97ebbb1bb865a849b1e27f1937b2a6ce084333e91c1733e8f9fafb432e488ec1)

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