# STC SA03084AT

- Type: Supplemental type certificate
- Status: Historical, Surrendered
- Holder: MilSpec Products Inc, United States
- Description: Manufacture of engine cowling fasteners
- Applied: May 10, 2002
- Status date: February 19, 2020
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/75/2d/752dc86350a6a423cf73a2d9b00a69a7750cb09565f748490ee5afbeba7cdbdc
- Approved model list and other attachments: [7A0-20-1970.pdf](https://openairdocs.org/files/sha256/dd/2d/dd2d49b076d567a1c809925f32bf0679cc247c2ce614ce9a1c7d8fa82f961f11)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C04921124715372286258020005F7B91.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA03084AT

## ADs that name it (0)

None.

## Approved models (42)

- Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172RG ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172RG ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175 ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175A ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175B ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. 175C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 175C ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. P172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. P172D ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172E ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172F ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172F ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172G ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172H ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172H ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172J ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172J ([TCDS 3A17](https://openairdocs.org/tcds/3A17))
- Textron Aviation Inc. R172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## What the certificate says

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

## Every issue (2)

- February 19, 2020: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/75/2d/752dc86350a6a423cf73a2d9b00a69a7750cb09565f748490ee5afbeba7cdbdc), [7A0-20-1970.pdf](https://openairdocs.org/files/sha256/dd/2d/dd2d49b076d567a1c809925f32bf0679cc247c2ce614ce9a1c7d8fa82f961f11)
- February 19, 2020: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/19/76/19766128ea288cd1c1fff9a38526bce0e4ecf15b250473783bc08611d1e2b5ee)

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