# STC SR00450AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Thoroughbred Aviation Maintenance Inc, United States
- Description: Installation of a seat pan inspection panel.
- Applied: January 7, 1994
- Status date: February 25, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/86/2a/862aa745d07ddbc656bc337d0314499da93da42e29502643d7f5702a600e01e8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BEFE001D6E278DE1862587F70070D46E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00450AT

## ADs that name it (0)

None.

## Approved models (3)

- MD Helicopter Inc. 369 Series ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 600N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## What the certificate says

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

## Every issue (1)

- February 25, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/86/2a/862aa745d07ddbc656bc337d0314499da93da42e29502643d7f5702a600e01e8)

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