# STC SA03273AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Peter Schiff Aero Inc., United States
- Description: Installation of an air conditioning and pressurization system, Peter Schiff Aero s Cabin Comfort Unit (CCU).
- Applied: November 1, 2004
- Status date: February 19, 2010
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/2f/f62f7d03ca3de4c800898b302aa67c2b9f620e72091fe4a0059077b6a0e6ab1e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3FB343ABE1A5D660862576EE005EE650.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA03273AT

## ADs that name it (0)

None.

## Approved models (8)

- Twin Commander Aircraft Corporation 690 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690A ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690B ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690C ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 690D ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 695 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 695A ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 695B ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

## What the certificate says

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

## Every issue (2)

- February 19, 2010: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f6/2f/f62f7d03ca3de4c800898b302aa67c2b9f620e72091fe4a0059077b6a0e6ab1e)
- March 19, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f0/1c/f01c3083a6354ce63267b47fa2d087575576590b2d713ef66e0f0f25dd020731)

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