# STC SR09170RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: MD Helicopters LLC, United States
- Description: Installation of a SX-16 Nightsun in accordance with Heli-Dyne Systems, Inc. drawing list HD900-00-0031, Revision -, dated 4-11-97, or later FAA approved revisions.
- Applied: June 18, 1996
- Status date: August 5, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H19NM](https://openairdocs.org/tcds/H19NM)
- Certificate PDF: https://openairdocs.org/files/sha256/98/00/9800006ef85470283fe51eb03392ffc6c6dc98a3f43322668ab2fb5f78707bcb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118345391220221014171740.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR09170RC

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopters LLC MD900 ([TCDS H19NM](https://openairdocs.org/tcds/H19NM))

## 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: SR09170RC

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: H19NM

- Make: MD Helicopters, LLC Model: MD900

Description of Type Design Change: Installation of a SX-16 Nightsun in accordance with Heli-Dyne Systems, Inc. Drawing List HD900-00-0031, Revision - , dated April 11, 1997, or later FAA approved revision.

Limitations and Conditions: FAA approved Rotorcraft Flight Manual Supplement HDD97-24, dated July 23, 1997, or later approved revision is required. Instructions for Continued Airworthiness HDD97-32, dated June 5, 1997, or later approved revision is required. The installer must determine whether this design change is compatible with previously approved modifications. 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: June 18, 1996 Date Reissued: October 26, 2010; May 16, 2011 August 5, 2022

Date of Issuance: July 22, 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: SR09170RC

## Every issue (2)

- August 5, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/98/00/9800006ef85470283fe51eb03392ffc6c6dc98a3f43322668ab2fb5f78707bcb)
- May 16, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5f/53/5f53bd895287b1f8b120054de14f3a521cc0b1f88d3d4d8136745d54ed641cef)

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