# STC ST04536CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pentastar Aviation LLC, United States
- Description: 1. Installation of Aviation Clean Air Ionizer System in accordance with Pentastar Aviation Master Data List, Document No. A-18028-210, Revision E, dated September 23, 2021 or later FAA approved revision.
2. The aircraft must be maintained in accordance with the Instructions for Continuted Airworthiness listed in Pentastar Aviation Master Data List, Document No. A-18028-210, Revision E, dated September 23, 2021 or later FAA approved revision is a required part of this modification.
- Applied: February 1, 2021
- Status date: December 9, 2021
- Product: Aircraft
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/d8/eb/d8eb8b52e8580fb676b46a2472c39290131c9c10a3a7362b7ef7b37e77245649
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2B39B18B7915C313862587D7006C1FF5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04536CH

## ADs that name it (0)

None.

## Approved models (3)

- Textron Aviation Inc. Hawker 800XP ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. Hawker 850XP ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))
- Textron Aviation Inc. Hawker 900XP ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## What the certificate says

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

## Every issue (1)

- December 9, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d8/eb/d8eb8b52e8580fb676b46a2472c39290131c9c10a3a7362b7ef7b37e77245649)

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