# STC SR02493SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mechanical Specialties LLC, United States
- Description: Installation of a cargo hook
- Applied: February 16, 2015
- Status date: August 2, 2016
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/63/88/638827d63e5fb2e735d9dbd48c2605d3cce32156bd844726ea9a68f739c1eec3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/24D49F99F3B9677C86258004006B9277.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02493SE

## ADs that name it (0)

None.

## Approved models (6)

- MD Helicopters Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369F ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 600N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## 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.

Number SR02493SE

This certificate, issued to Mechanical Specialties, LLC 1000 85th Avenue SE Olympia, WA 98501

Part 27 of the Federal Aviation Regulations.

Original ProductType Certificate Number: H3WE Make: MD Helicopters, Inc.

Model: 369D, 369E, 369F, 369FF, 500N, 600N

Description of the Type Design Change: Installation of a cargo hook in accordance with Instructions for Continued Airworthiness (ICA) MSI-MNL-010 ICA, Revision I/R, dated June 30, 2016, or later Federal Aviation Administration (FAA) accepted revision. Maintained in accordance with ICA MSI-MNL-010 ICA, Revision I/R, dated June 30, 2016, or later FAA-accepted revision. Operated in accordance with Rotorcraft Flight Manual Supplement (RFMS) MS-202-101-RFMS, Revision I/R, dated July 15, 2016, or later FAA-approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of this model series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft.

A copy of this certificate, the ICA, and the RFMS must be maintained as part of the permanent records for the modified rotorcraft.

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: February 16, 2015 Date reissued:

Date of issuance: August 2, 2016 Date amended:

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- August 2, 2016: Issued, Current. [certificate](https://openairdocs.org/files/sha256/63/88/638827d63e5fb2e735d9dbd48c2605d3cce32156bd844726ea9a68f739c1eec3)

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