# STC SH5653NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Erickson Incorporaated/dba Erickson Air-Crane, United States
- Description: Re-mounting of the turbine engines and reinforcement of the associated fuselage support structure with Erickson detuned engine mounting system (DEMS).
- Applied: August 14, 1991
- Status date: August 13, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H6EA](https://openairdocs.org/tcds/H6EA), [TCDS H14NM](https://openairdocs.org/tcds/H14NM), [TCDS H16NM](https://openairdocs.org/tcds/H16NM)
- Certificate PDF: https://openairdocs.org/files/sha256/e5/67/e567eb9f8822345d37563b07a31cc3acb48dd702bca2c508521322ae42b813ef
- Approved model list and other attachments: [SH5653NM_AML.pdf](https://openairdocs.org/files/sha256/85/4a/854a9f85b66954291bb3b85a0a4789bb6ea27821dd19bc953867ce0b5b7836ab)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C99C4194221FE46986257DC8006F259F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH5653NM

## ADs that name it (0)

None.

## Approved models (4)

- Erickson Incorporated DBA Erickson Air-Crane S-64E ([TCDS H6EA](https://openairdocs.org/tcds/H6EA))
- Erickson Incorporated DBA Erickson Air-Crane S-64F ([TCDS H6EA](https://openairdocs.org/tcds/H6EA))
- Helicopter Transport Services Inc. CH-54B ([TCDS H14NM](https://openairdocs.org/tcds/H14NM))
- Helicopter Transport Services LLC CH-54A ([TCDS H16NM](https://openairdocs.org/tcds/H16NM))

## 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.

Number SH5653NM

This certificate issued to: Erickson Incorporated DBA Erickson Air-Crane 3100 Willow Springs Road Central Point, OR 97502

Part 29of the Federal Aviation Regulations.

Original Product – Type Certificate Number: See Attached FAA Approved Model List (AML)

Make: See AML Model: See AML Description of Type Design Change:

Re-mounting of the turbine engines and reinforcement of the associated fuselage support structure with Erickson Detuned Engine Mounting System (DEMS). Manufacturing and Installation: See Approved Model List. Operation and Installation: In accordance with Erickson Air- Crane Maintenance Manual, Publications No. EAC016, Revision 4, dated March 7, 2014, or later FAA accepted revision for Models S-64E, S-64F, CH-54A and CH-54B.

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

Date of application: August 14, 1991 Date reissued: 08/22/97; 03/01/01; 08/13/14 Date of issuance: November 22, 1991 Date amended: 03/12/93; 01/07/97; 03/01/01; 08/05/02

Signature Scott A. Horn

Title Manager, Rotorcraft Certification Office, Southwest Region

FAA Form 8110-2 (8/13) Page 1

**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)

FAA Form 8110-2 (8/13) Page 2

### SH5653NM_AML.pdf

FAA APPROVED MODEL LIST (AML) FOR STC NO. SH5653NM, AMENDED MARCH 24, 2014 Erickson Air-Crane, Inc.

3100 Willow Springs Rd.

Central Point, OR 97502

FAA Approved: __________________________________ Scott A. Horn Manager, Rotorcraft Certification Office ASW-170 Southwest Region Federal Aviation Administration Date: ________________

Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Master Drawing List (MDL) 1 Erickson Air- Crane S-64E H6EA FAR 29, 1 February 1965, including Amendments 29-1 and 29-2 except FAR 29.855(d), and Special Conditions No. 29-014-SC.

EAC 1076, Rev J, dated February 18, 2002, or later FAA approved revisions.

2 Erickson Air- Crane S-64F H6EA FAR 29, 1 February 1965, including Amendments 29-1 and 29-2 except FAR 29.855(d), and Special Conditions No. 29-014-SC including Amendment No. 1.

EAC 1076, Rev J, dated February 18, 2002, or later FAA approved revisions.

3 Helicopter Transport Services, LLC CH-54A

H16NM R00009SE FAR 29, February 1, 1965 including Amendments 29-1 thru 29- 5, and 14 CFR 29.1529, Instructions for Continued Airworthiness, Amendment 20 effective September 11, 1980.

EAC 2160, Rev E, dated January 20, 2014, or later FAA approved revisions.

4 Helicopter Transport Services, LLC CH-54B

H14NM FAR 29, February 1, 1965 including Amendments 29-1 thru 29- 5, and 14 CFR 29.1529, Instructions for Continued Airworthiness, Amendment 20 effective September 11, 1980.

EAC 2160, Rev E, dated January 20, 2014, or later FAA approved revisions.

## Every issue (2)

- August 13, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e5/67/e567eb9f8822345d37563b07a31cc3acb48dd702bca2c508521322ae42b813ef), [SH5653NM_AML.pdf](https://openairdocs.org/files/sha256/85/4a/854a9f85b66954291bb3b85a0a4789bb6ea27821dd19bc953867ce0b5b7836ab)
- August 5, 2002: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/56/91/56917fd621d7ad795f8edd051329954ea58902a2cf9213581fbc7034394a7070)

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