# STC SA04488AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: EverReady Aviation LLC ., United States
- Description: Installation of an "Ever-Air" air conditioning system utilizing R134a refrigerant.
- Applied: October 31, 2018
- Status date: November 23, 2021
- Product: Aircraft, Small Airplane
- Certification basis: Part 1, Part 21, Part 23
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/2c/65/2c651333f181e85ec66eaf039e06c38ca5ff7c2e213cff15004d4eecccec3f67
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EFAC505B7D9D2E8A8625879C0069092E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04488AT

## ADs that name it (0)

None.

## Approved models (12)

- Textron Aviation Inc. 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Textron Aviation Inc. P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

The certificate has no text we could read; open the PDF to read it.

## Every issue (2)

- November 23, 2021: Amended, Current. [certificate](https://openairdocs.org/files/sha256/2c/65/2c651333f181e85ec66eaf039e06c38ca5ff7c2e213cff15004d4eecccec3f67)
- November 16, 2020: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/0d/04/0d04c944e7cad701a1f3a86f5a61f08e6f3594e5707a4f11aa0fb46cd104bf87)

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