# STC SR02279AK

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Croman Corporation, United States
- Description: Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics equipment
- Applied: October 4, 2006
- Status date: April 6, 2023
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Data sheets: [TCDS 1H15](https://openairdocs.org/tcds/1H15)
- Certificate PDF: https://openairdocs.org/files/sha256/68/93/689315ed1313c359ba922edebf51cc79bf35fc7b3fabfa62c1ef1bfdeb23e90a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132169455620240306172341.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02279AK

## ADs that name it (0)

None.

## Approved models (4)

- Sikorsky Aircraft S-61L ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft S-61N ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft S-61NM ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft S-61R ([TCDS 1H15](https://openairdocs.org/tcds/1H15))

## 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.

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 1 OF 3

Number: SR02279AK This certificate issued to:

Installation of dual Rockwell Collins FDS 2000 flight displays, dual AHS 3000 attitude and heading reference systems, dual Garmin GNS 530 navigation systems and supporting avionics equipment installed in accordance with Acrohelipro Global Services USA Inc., Master Drawing List HP61-34-00-101, Revision C, dated October 31, 2006, or later FAA approved revision.

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

2) Rotorcraft Flight Manual Supplements Doc Numbers FMS HP 61-34-00-302, Revision N/C, dated 11/08/06, and FMS HP 61-34-00-302, Revision N/C, dated 11/08/06, or later FAA approved revisions are a required part of this modification.

(Continued on page 3)

Croman Corporation 801 Avenue C White City, OR 97501 Original Product:

Type Certificate Number: 1H15

Make: Sikorsky Model: S-61L, S-61N, S-61R, S-61NM

Date of application: October 4, 2006

Date of issuance: November 8, 2006 Date reissued: January 12, 2007; April 6, 2023

August A. Asay Title: Manager, Anchorage ACO Branch

Part 29 of the Federal Aviation Regulations.

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 2 OF 3

Number: SR02279AK

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SR02279AK

**14 CFR 21.120)**

FAA Form 8110-2 (06/20) SUPERSEDES PREVIOUS EDITION PAGE 3 OF 3

Number: SR02279AK

Date of application: October 4, 2006 Date of issuance: November 8, 2006 Date reissued: January 12, 2007; April 6, 2023

Limitations and Conditions: (Continued from page 1)

3) For Instructions for Continued Airworthiness, refer to “INSTRUCTIONS FOR CONTINUED AIRWORTHINESS FOR THE INSTALLATION OF A ROCKWELL-COLLINS FDS 2000 FLIGHT DISPLAY AND AHS 3000 ATTITUDE AND HEADING REFERENCE SYSTEMS”, document no. HP 61-34-60-251, rev N/C, dated August 28, 2006 and “INSTRUCTIONS FOR CONTINUED AIRWORTHINESS FOR THE INSTALLATION OF TWO GARMIN GNS 530 GPS / VHF COMM / VHF NAVIGATION SYSTEMS INSTALLED IN AN S61 SERIES ROTORCRAFT”, Revision N/C, dated August 31, 2006, or later FAA accepted revision.

***** End *****

## Every issue (1)

- April 6, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/68/93/689315ed1313c359ba922edebf51cc79bf35fc7b3fabfa62c1ef1bfdeb23e90a)

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