# STC SR02777SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Helicopter Transport Services LLC, United States
- Description: Installation of a Load Beam
- Applied: October 9, 2020
- Status date: February 14, 2024
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS R00009SE](https://openairdocs.org/tcds/R00009SE), [TCDS H14NM](https://openairdocs.org/tcds/H14NM), [TCDS H16NM](https://openairdocs.org/tcds/H16NM), [TCDS H4EA](https://openairdocs.org/tcds/H4EA), [TCDS H6EA](https://openairdocs.org/tcds/H6EA)
- Certificate PDF: https://openairdocs.org/files/sha256/2a/2b/2a2b315b59806719ef80d7f82591aa5aface7430fb07b47c5ba8c0fe71dfee22
- Approved model list and other attachments: [SR02777SE_AML.pdf](https://openairdocs.org/files/sha256/56/25/56253c5033e1875ae03a3a92bd0644f08b22ec5924e56f22b176905d0178d440)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122785517920240215143921.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR02777SE

## ADs that name it (0)

None.

## Approved models (5)

- Erickson Air-Crane Incorporated DBA Erickson Air-Crane S-64E ([TCDS H4EA](https://openairdocs.org/tcds/H4EA))
- Erickson Incorporated DBA Erickson Air-Crane S-64E ([TCDS H6EA](https://openairdocs.org/tcds/H6EA))
- Helicopter Transport Services LLC CH-54A ([TCDS H16NM](https://openairdocs.org/tcds/H16NM))
- Helicopter Transport Services LLC CH-54A ([TCDS R00009SE](https://openairdocs.org/tcds/R00009SE))
- Helicopter Transport Services LLC CH-54B ([TCDS H14NM](https://openairdocs.org/tcds/H14NM))

## 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.

SR02777SE Helicopter Transport Services LLC 14497 Keil Rd.

Aurora, OR 97002 Part 29 the Federal Aviation Regulations * *See attached Federal Aviation Administration (FAA) Approved Model List (AML) SR02777SE for approved aircraft models and applicable airworthiness regulations * Installation of a Load Beam in accordance with HTS-SP-001, Revision A, dated March 5, 2023, or later FAA approved revision. Manufactured in accordance with Master Drawing List as listed on AML SR02777SE dated February 14, 2024, or later FAA approved revision. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) HTS-SPCA-001, Revision A dated June 21, 2023, or later FAA accepted revision. Operated in accordance with Rotorcraft Flight Manual Supplement (RFMS) as listed on AML SR02777SE dated February 14, 2024, or later FAA approved revision.

Approval of this change in type design applies to the rotorcraft listed on AML SR02777SE only. This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that Rotorcraft.

A copy of this certificate, AML SR02777SE, ICA, and RFMS, must be maintained as part of the permanent records for the modified aircraft. 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.

October 9, 2020 February 14, 2024 for Manager, West Certification Branch

SR02777SE

### SR02777SE_AML.pdf

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02777SE FOR Load Beam ISSUE DATE: February 14, 2024

Page 1 of 1

**ITEM AIRCRAFT /**

**ROTORCRAFT MAKE**

**AIRCRAFT /**

**ROTORCRAFT MODEL**

**ORIGINAL TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA APPROVED**

**AIRCRAFT /**

**ROTORCRAFT FLIGHT**

**MANUAL SUPPLEMENT**

**FAA APPROVED**

MASTER DRAWING LIST AML REV DATE Number Revision* Drawing Revision*

1. Helicopter Transport Services, LLC CH-54A

R00009SE 14 CFR Part

21.25(a)(2) & Part 29 Amdt 55 HTS-SP-003 IR, 1/3/24 HTS-SP- MDL C 12/22/23

2. Helicopter Transport Services, LLC CH-54B

H14NM 14 CFR Part

21.25(a)(2) and (b) & Part 29 Amdt 55 HTS-SP-001 IR, 1/3/24 HTS-SP- MDL C 12/22/23

3. Helicopter Transport Services, LLC CH-54A

H16NM 14 CFR Part

21.25(a)(2) & Part 29 Amdt 55 HTS-ELF-003 IR, 1/3/24 HTS-SP- MDL C 12/22/23

4. Erickson, Inc. S-64E H4EA 14 CFR Part

21.25(a)(2) & Part 29 Amdt 55 HTS-ELF-002 IR, 1/3/24 HTS-SP- MDL C 12/22/23

5. Erickson, Inc. S-64E H6EA 14 CFR Part 29 Amdt 55 HTS-ELF-002 IR, 1/3/24 HTS-SP- MDL C 12/22/23

* Or later FAA Approved Revision

FAA Approved:

For Manager, West Certification Branch

AMENDED:

REISSUED:

## Every issue (1)

- February 14, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2a/2b/2a2b315b59806719ef80d7f82591aa5aface7430fb07b47c5ba8c0fe71dfee22), [SR02777SE_AML.pdf](https://openairdocs.org/files/sha256/56/25/56253c5033e1875ae03a3a92bd0644f08b22ec5924e56f22b176905d0178d440)

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