# STC SR04772NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Legacy Helicopter Maintenance Ltd, Canada
- Description: Manufacturing and Installation of Legacy Helicopter Maintenance (LHM) Improved Transmission Spindle
- Applied: March 9, 2022
- Status date: April 14, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H10SW](https://openairdocs.org/tcds/H10SW), [TCDS H6SW](https://openairdocs.org/tcds/H6SW)
- Certificate PDF: https://openairdocs.org/files/sha256/f8/1f/f81fbc57737aa9019b5b9d59c82ee850908b0a2701220ba386bf09d4000cd227
- Approved model list and other attachments: [SR04772NY AML.pdf](https://openairdocs.org/files/sha256/da/43/da4360c7de5489d42f6cce7912db28f1dfd320658d748b2cd699bd2f62d3d613)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1DC652318E51BD5A86258829005164E6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR04772NY

## ADs that name it (0)

None.

## Approved models (3)

- Erickson 214 Holdings LLC 214B ([TCDS H6SW](https://openairdocs.org/tcds/H6SW))
- Erickson 214 Holdings LLC 214B-1 ([TCDS H6SW](https://openairdocs.org/tcds/H6SW))
- Erickson 214 Holdings LLC 214ST ([TCDS H10SW](https://openairdocs.org/tcds/H10SW))

## 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.

IMPORT SR04772NY Legacy Helicopter Maintenance 5035 Farnham Rd.

Chilliwack, British Columbia Canada V4Z 1E7 Part 29 Title 14 Code of Federal Regulations *See attached FAA Approved Model List (AML) SR04772NY *See attached FAA AML No. SR04772NY *See attached FAA AML No. SR04772NY

1. Manufacturing and Installation of Legacy Helicopter Maintenance (LHM) Improved Transmission Spindle must be done in accordance with XL Aero Inc. Master Drawing List as shown on Approved Model List (AML) No. SR04772NY.

2. Maintenance must be done in accordance with LHM Maintenance Manual Supplements as shown on AML No. SR04772NY.

1. 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.

(Limitations and Conditions Continued on Page 3 of 3) March 9, 2022 April 14, 2022

Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 3

**IMPORT SR04772NY SR04772NY 3**

IMPORT SR04772NY Date of Issuance: April 14, 2022

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

3. This STC is applicable to all serial numbers for the Makes and Models as shown on AML No. SR04772NY.

4. Mandatory replacement times and/or inspection intervals are defined in the "Chapter 04: Airworthiness Limitations" sections of the LHM Maintenance Manual Supplements as shown on AML No. SR04772NY.

----------END---------- 3 3

### SR04772NY AML.pdf

FAA APPROVED MODEL LIST (AML) No. SR04772NY

**LEGACY HELICOPTER MAINTENANCE FOR**

**IMPROVED TRANSMISSION SPINDLE INSTALLATION**

Page 1 of 1

Issue Date: April 14, 2022

**ITEM MAKE MODEL CERT BASIS /**

AMENDMENT TCDS No. REQUIRED DOCUMENTATION INITIAL

**APPROVAL DATE**

**AMENDED**

**DATE MASTER DATA LIST MAINTENENACE**

**MANUAL SUPPLEMENT**

1.

Erickson

214B, 214B-1

29-1 through 29-16

H6SW Rev. 8 7/7/2021

Manufacturing and Installation of Legacy Helicopter Maintenance (LHM) Improved Transmission Spindle must be done in accordance with XL Aero Inc. Master Drawing List MDL- 19-0078, Rev. A, Transport Canada Civil Aviation (TCCA) approved January 14, 2022, or later TCCA approved revision.

Maintenance must be done in accordance with LHM Maintenance Manual Supplement Number MMS-19-0078-214B, Rev. IR, TCCA accepted January 14, 2022, or later TCCA accepted revision.

4/14/2022

N/A

2.

Erickson

214ST

29-1 through 29-16

H10SW Rev. 11 7/7/2021 Maintenance must be done in accordance with LHM Maintenance Manual Supplement Number MMS-19-0078-214ST, Rev. IR, TCCA accepted January 14, 2022, or later TCCA accepted revision.

FAA Approved:

Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR)

## Every issue (1)

- April 14, 2022: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f8/1f/f81fbc57737aa9019b5b9d59c82ee850908b0a2701220ba386bf09d4000cd227), [SR04772NY AML.pdf](https://openairdocs.org/files/sha256/da/43/da4360c7de5489d42f6cce7912db28f1dfd320658d748b2cd699bd2f62d3d613)

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