# STC ST00091AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Raytheon Aircraft Services Inc, United States
- Description: Installation of an aircraft security system.
- Applied: October 10, 1992
- Status date: October 20, 2005
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A14SW](https://openairdocs.org/tcds/A14SW)
- Certificate PDF: https://openairdocs.org/files/sha256/80/24/80244c0f032da3ec68616c48464bb45c18941ac8dfea283b271f8db4ed709886
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/418C2C6640CFBF26862570A70053E8AE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00091AT

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company MU-300 ([TCDS A14SW](https://openairdocs.org/tcds/A14SW))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

3992 Aviation Circle Atlanta, Georgia 30336

Part 25 of the Federal Aviation Regulations.

Original Product--Type Certificate Number : A14SW Make : Mitsubishi MU-300

Description of Type Design Change: Installation of an Aircraft Security System in accordance with Hangar One, Inc., Master Drawing List No. HITSD, Rev. N/C, dated August 23, 1992, or later FAA approved revision.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. FAA Approved Airplane Flight Manual Supplement, dated February 10, 1993, is a required part of this STC. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : October 10, 1992

Date of issuance : February 10, 1993 Date reissued : October 20, 2005

( Signature)

Melvin D. Taylor Manager Atlanta Aircraft Certification Office

(Title)

## Every issue (1)

- October 20, 2005: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/80/24/80244c0f032da3ec68616c48464bb45c18941ac8dfea283b271f8db4ed709886)

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