# STC SR09178RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: MD Helicopters LLC, United States
- Description: Installation of a vapor-cycle air conditioning system with a belt driven compressor.
- Applied: April 21, 1997
- Status date: August 5, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/5a/45/5a45a57b90ec52165e2d6a9aab3980f944bb123bc105d8f86e5d54f57819e626
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151972285720221014171827.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR09178RC

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopter 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (03/21) Page 1 of 2 22___

Number: SR09178RC

This certificate issued to: MD Helicopters, LLC 4555 East McDowell Road Mesa, Arizona 85215-9734

27 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: H3WE

- Make: MD Helicopters, LLC Model: 600N Description of Type Design Change: Installation of a Vapor Cycle air conditioning system with a belt driven compressor in accordance with Integrated Flight Systems, Inc., Master Drawing List DL-44, Revision A, dated July 22, 1997, or later FAA approved revision.

Limitations and Conditions: FAA Approved Rotorcraft Flight Manual Supplement for 600N Air Conditioning dated October 21, 1997, or later approved revision is required. Any modifications to the electrical wire routing and/or electrical equipment modifications for this installation shall require EMI testing including EMI effects on Full Authority Digital Electronic Control. Instructions for Continued Airworthiness dated October 7, 1997, or later FAA accepted revision is required for this installation.

Compatibility of this design change with previously approved modifications must be determined by the installer. This installation should not be incorporated in any rotorcraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the rotorcraft. A copy of this STC must be included in the permanent records of the modified rotorcraft. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: April 21, 1997 Date Reissued: August 22, 2001; March 25, 2010;

May 20, 2016; July 1, 2016; August 5, 2022 Date of Issuance: October 21, 1997 Date Amended:

Title: Acting Manager, Technical & Administrative Support Section Aviation Safety Los Angeles ACO Branch

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate FAA Form 8110-2 (03/21) Page 2 of 2 22___

Number: SR09178RC

## Every issue (5)

- August 5, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5a/45/5a45a57b90ec52165e2d6a9aab3980f944bb123bc105d8f86e5d54f57819e626)
- July 1, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/fe/9b/fe9b58415695c6a043ee0a32588e2ab51f411c95dbefeb0695a6a706b0ec189e)
- May 20, 2016: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/9a/4f/9a4ffe7dce1c4113cb9f2cd4936a1ad774f5b1ba4e34edec60132431044a4d11)
- March 25, 2010: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/48/77/48778590f9ffbb3df12431d4bedde66426d294b4b9bdf3b350bcd71af31d9a9f)
- August 22, 2001: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/af/af/afafb76c44ec4e6209f86fffb33debf5bceefd13a94f81d1cd21aaf0ba73bfa6)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.