STC SH7961SW-D

Supplemental type certificate · Diamond Upgrades, LLC

Holder
Diamond Upgrades, LLC · United States
Status
Current · Reissued
Status date
April 17, 2013
Applied
April 28, 1989
Product
Aircraft · Rotorcraft
Certification basis
Part 21, Part 27
Data sheet
TCDSH11EU

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of two Allison 250-C20R engines.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

N umber SH7961SW-D This certificate issued to

Par t 27 of the Federal Aviation R egulations.

Original Product Type Certificate N umber:

M ake:

M odel:

Installation of two Allison 250-C20R engines in accordance with AHC Drawing List 355A82-1753 Revision L dated October 06, 2008, or later FAA approved revision.

1. Rotorcraft Flight Manual Supplement 355FMS-010, dated October 06, 2008, or later approved revision is required.

2. The Installer must determine whether this design change is compatible with previously approved modifications.

3. If the holder agrees to permit another person to use this certificate to alter a product, t he holder must give the other person written evidence of that permission

Diamond Upgrades LLC 1 Rodney Square 920 N. King Street Wilmington, DE 19801

H11EU Eurocopter France AS355F1 Date of application : April 28, 1989

Date of issuance : February 01, 1991 Date reis sued: August 01, 1997, June 30, 2003, February 01, 2006, June 26, 2009, April 17, 2013

Date ame nded: January 28, 2009

B y direction of the A dministrator

(Signature) Gaetano Sciortino Manager New York Aircraft Certification Office

(Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Eurocopter FranceAS355F1H11EU

Every issue · 3

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
April 17, 2013Reissued, currentCertificate
June 26, 2009Reissued, earlier issueCertificate
January 28, 2009Reissued, earlier issueCertificate