# STC SR09643RC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Helicopter Specialties, Inc., United States
- Description: Installation of the L3 AN/AR-154 TACAN System and Sandel SN3500 EHSI System
- Applied: January 30, 2013
- Status date: March 31, 2015
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/5b/cd/5bcd6da8a181ca538c3d8af331aa95744d12325fa61ad1470a3fe3d32f274320
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E676C378B7B330C86257EAD006B8E52.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR09643RC

## ADs that name it (0)

None.

## Approved models (1)

- The Enstrom Helicopter Corporation 480B ([TCDS H1CE](https://openairdocs.org/tcds/H1CE))

## 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 (8/13) Page 1

Number SR09643RC This certificate issued to Helicopter Specialties, Inc.

4746 S. Columbia Drive Janesville, WI 53546

Part 27 of the Federal Aviation, Regulations.

Original Product – Type Certificate Number: H1CE Make: The Enstrom Helicopter Corporation Model: 480B

Installation of the L3 AN/AR-154 TACAN System and Sandel SN3500 EHSI System in accordance with Master Data List 1056-0000-00, Revision A, dated January 8, 2014, or later FAA approved revision. Flight Manual Supplement 1056-2070-00, Revision IR, dated April 15, 2014, or later FAA approved revision is required. Instructions for Continued Airworthiness Document Number 1056-2080-00, Revision IR, dated March 15, 2013, or later revision is required.

1) Compatibility of this design change with previously approved modifications must be determined by the installer.

2) A copy of this certificate must be maintained as part of the permanent records for the modified aircraft.

3) 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: January 30, 2013 Date Reissued: March 31, 2015 Date of Issuance: April 15, 2014 Date Amended:

Signature

Scott A. Horn Title Manager, Fort Worth Aircraft Certification Office Southwest Region

**SUPPLEMENTAL TYPE CERTIFICATE, FAA FORM 8110-2 (CONTINUED)**

To (Name of transferee)

(Address of transferee)

(Number and street)

(City, State, and ZIP Code)

From (Name of grantor)

(Address of grantor)

(Number and street)

(City, State, and ZIP Code)

## Every issue (2)

- March 31, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5b/cd/5bcd6da8a181ca538c3d8af331aa95744d12325fa61ad1470a3fe3d32f274320)
- April 15, 2014: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/0c/c4/0cc4e718dcedf4ca86e36d7070f148da6c35d5b17db3ffceb0b58184a49c7d45)

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