# STC SR01970NY-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Diagnostic Solution International LLC, United States
- Description: Installation of a Honeywell Chadwick Model 15175 VXP System.
- Applied: October 19, 2004
- Status date: December 14, 2020
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/c2/e6c2f405098dc360ca70b42f186bb1dd6b9f359c3887ac238766a56f9cc5e384
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49A709B12D66A7D3862586CB0050F086.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01970NY-D

## ADs that name it (0)

None.

## Approved models (1)

- Leonardo S.p.a. A109E ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2 Number: SR01970NY-D This certificate issued to: Diagnostic Solutions International LLC 2580 East Philadelphia, Unit C Ontario, CA 91761 Part 27 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Agusta H7EU Model: A109E Description of Type Design Change:

Configuration 1:

Installation of a Honeywell Chadwick Model 15175 VXP System in accordance with Keystone Installation Drawing List IDL00891 Rev. A dated 08/23/2005 or later FAA approved revision.

Configuration 2:

Installation of a Honeywell Chadwick Model 15175 VXP System in accordance with Honeywell Master Drawing List 159-08346-0001 Rev. - dated 3/8/2013 or later FAA approved revision.

1) Keystone Helicopter Instructions for Continued Airworthines s, Honeywell Chadwick Model 15175 VXP System Installation in Agusta A109E Aircraft, Report No. IC00891 Rev. – dated March 7, 2005 or later FAA accepted revision is required for aircraft modified in accordance with Configuration 1; Instructions for Continued Airworthiness, Honeywell document number 71000030, Revision D, dated 1/2013 or later FAA accepted revision is required for aircraft modified in accordance with Configuration 2.

2) The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect on the airworthiness of the aircraft.

3) If the holder agrees to permit another person to use this ce rtificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: October 19, 2004 Date Reissued: June 5, 2009; March 24, 2020, December 14, 2020 Date of Issuance: August 23, 2005 Date Amended: August 6, 2013 By Direction of the Administrator Signature Original signed by Tina Miller for Charlene Combs Title Program Manager, Wichita ACO Branch

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SR01970NY-D To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

## Every issue (3)

- December 14, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e6/c2/e6c2f405098dc360ca70b42f186bb1dd6b9f359c3887ac238766a56f9cc5e384)
- March 24, 2020: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/21/05/21052a4f62c3ecca6e9b5c13fb1274a2e2d206bbf8cbf2645a62863152062a52)
- June 5, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4e/d4/4ed4786bfc2e2abbfbbc67dd78c125aa87dbbce5fb45d067d5f5618c32d0ab0f)

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