# STC SR02743SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Timberline Aerospace LLC, United States
- Description: Installation of folding crew step and modification of fairing
- Applied: July 8, 2021
- Status date: June 27, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS R00005RC](https://openairdocs.org/tcds/R00005RC), [TCDS R0012DE](https://openairdocs.org/tcds/R0012DE), [TCDS R00021LA](https://openairdocs.org/tcds/R00021LA), [TCDS R00020AT](https://openairdocs.org/tcds/R00020AT), [TCDS R00026LA](https://openairdocs.org/tcds/R00026LA), [TCDS R00019AT](https://openairdocs.org/tcds/R00019AT), [TCDS R00028LA](https://openairdocs.org/tcds/R00028LA), [TCDS R00054SE](https://openairdocs.org/tcds/R00054SE), [TCDS R00058SE](https://openairdocs.org/tcds/R00058SE), [TCDS R00003AC](https://openairdocs.org/tcds/R00003AC), [TCDS R00020LA](https://openairdocs.org/tcds/R00020LA), [TCDS R00027LA](https://openairdocs.org/tcds/R00027LA), [TCDS R00025LA](https://openairdocs.org/tcds/R00025LA), [TCDS R00022LA](https://openairdocs.org/tcds/R00022LA), [TCDS R00052SE](https://openairdocs.org/tcds/R00052SE), [TCDS R00023LA](https://openairdocs.org/tcds/R00023LA)
- Certificate PDF: https://openairdocs.org/files/sha256/de/30/de301ff012f3f7692c601432c52bcfbe09f4d3132ce04d415311d03ac5e7ce38
- Approved model list and other attachments: [AML SR02743SE.pdf](https://openairdocs.org/files/sha256/8c/24/8c2468ed8082f4c64a8ca3ac59eb914e1f1cebed365896e519ce2d36959d0183)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/248D16C5205F8DBA8625886F005525C8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02743SE

## ADs that name it (0)

None.

## Approved models (22)

- ACE Aeronautics LLC UH-60A ([TCDS R00005RC](https://openairdocs.org/tcds/R00005RC))
- BHI H60 Helicopters LLC BHI H60 (UH-60A) ([TCDS R0012DE](https://openairdocs.org/tcds/R0012DE))
- Billings Flying Service Inc UH-60A ([TCDS R00021LA](https://openairdocs.org/tcds/R00021LA))
- CAPITOL HELICOPTERS INC HH-60L ([TCDS R00026LA](https://openairdocs.org/tcds/R00026LA))
- CAPITOL HELICOPTERS INC UH-60A ([TCDS R00026LA](https://openairdocs.org/tcds/R00026LA))
- Carson Helicopters Inc. UH-60A ([TCDS R00020AT](https://openairdocs.org/tcds/R00020AT))
- Delta Enterprise EH-60A ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- Delta Enterprise UH-60A ([TCDS R00019AT](https://openairdocs.org/tcds/R00019AT))
- Heliqwest International Inc. EH-60A ([TCDS R00028LA](https://openairdocs.org/tcds/R00028LA))
- Heliqwest International Inc. UH-60A ([TCDS R00028LA](https://openairdocs.org/tcds/R00028LA))
- High Performance Helicopters Corp. UH-60A ([TCDS R00054SE](https://openairdocs.org/tcds/R00054SE))
- Northwest Rotorcraft LLC UH-60A ([TCDS R00058SE](https://openairdocs.org/tcds/R00058SE))
- PJ Helicopters Inc UH-60A ([TCDS R00020LA](https://openairdocs.org/tcds/R00020LA))
- Pickering Aviation Inc. EH-60A ([TCDS R00003AC](https://openairdocs.org/tcds/R00003AC))
- Pickering Aviation Inc. UH-60A ([TCDS R00003AC](https://openairdocs.org/tcds/R00003AC))
- Reeder Flying Service Inc. UH-60A ([TCDS R00027LA](https://openairdocs.org/tcds/R00027LA))
- SIXTYHAWK TC LLC EH-60A ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SIXTYHAWK TC LLC HH-60L ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SIXTYHAWK TC LLC UH-60A ([TCDS R00025LA](https://openairdocs.org/tcds/R00025LA))
- SKYDANCE BLACKHAWK OPERATIONS LLC UH-60A ([TCDS R00022LA](https://openairdocs.org/tcds/R00022LA))
- Timberline Helicopters Inc. UH-60A ([TCDS R00052SE](https://openairdocs.org/tcds/R00052SE))
- Unical Air Inc. UH-60A ([TCDS R00023LA](https://openairdocs.org/tcds/R00023LA))

## 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 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SR02743SE Timberline Aerospace, LLC 1926 Industrial Drive Sandpoint, ID 83864 Part * the* Regulations * * * See attached Federal Aviation Administration (FAA) Approved Model List (AML) Approved Model List (AML) SR02597SE for approved aircraft models and applicable airworthiness regulations Installation of folding crew step and modification of fairing in accordance with Timberline Aerospace Master Drawing List as referenced on the attached AML. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) as referenced as the attached AML.

Approval of this change in type design applies to the rotorcraft listed on AMLSR02743SE only. This approval should not be extended to other rotorcraft of these models on which otherpreviously 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 SR02743SE, and Instructions for Continued Airworthiness, 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.

July 8, 2021 June 27, 2022 For Acting Manager, Seattle ACO Branch 2

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SR02743SE 2

### AML SR02743SE.pdf

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02743SE FOR Folding Step and Cut-back Fairing Modification ISSUE DATE: June 27, 2022

Page 1 of 2

**ITEM AIRCRAFT /**

**ROTORCRAFT MAKE**

**AIRCRAFT /**

**ROTORCRAFT MODEL**

**ORIGINAL TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA ACCEPTED**

**INSTRUCTIONS FOR**

**CONTINUED**

**AIRWORTHINESS**

**FAA APPROVED**

**MASTER DRAWING LIST**

AML REV DATE Number Revision* Drawing Revision*

1. Timberline Helicopters, Inc. UH-60A R00052SE See TCDS R00052SE Revision 2* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

2. ACE Aeronautics. LLC UH-60A R00005RC See TCDS R00005RC Revision 2* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

3. BHI H60 Helicopters, LLC UH-60A R0012DE See TCDS R0012DE Revision 1* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

4. Delta Enterprise UH-60A EH-60A R00019AT See TCDS R00019AT Revision 2* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

5. Carson Helicopters, Inc. UH-60A R00020AT See TCDS R00020AT Revision 2* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

6. PJ Helicopters, Inc. UH-60A R00020LA See TCDS R00020LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

7. Billings Flying Service UH-60A R00021LA See TCDS R00021LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

8. Skydance Blackhawk Operations, LLC UH-60A R00022LA See TCDS R00022LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

9. High Performance Helicopters Corp UH-60A R00054SE See TCDS R00054SE Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

10. Unical Aviation, Inc. UH-60A R00023LA See TCDS R00023LA Revision 1* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

11. SIXTYHAWK TC, LLC EH-60A UH-60A, HH-60L R00025LA See TCDS R00025LA Revision 1* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

12. Pickering Aviation, Inc. EH-60A UH-60A R00003AC See TCDS R00003AC Revision 1* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

13. Northwest Rotorcraft, LLC UH-60A R00058SE See TCDS R00058SE Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

14. Capitol Helicopters, Inc. UH-60A HH-60L R00026LA See TCDS R00026LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

15. Reeder Flying Service, Inc. UH-60A R00027LA See TCDS R00027LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022

16. HELIQWEST INTERNATIONAL, INC. UH-60A EH-60A R00028LA See TCDS R00028LA Revision 0* TA-UH60- FS-INSTL-1 2 4/05/2022 TA-UH60-FS-MDL 4 4/07/2022 * Or later FAA Approved Revision

FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02743SE FOR Folding Step and Cut-back Fairing Modification ISSUE DATE: June 27, 2022

Page 2 of 2

FAA Approved:

for Acting Manager, Seattle ACO Branch AMENDED:

REISSUED:

## Every issue (1)

- June 27, 2022: Issued, Current. [certificate](https://openairdocs.org/files/sha256/de/30/de301ff012f3f7692c601432c52bcfbe09f4d3132ce04d415311d03ac5e7ce38), [AML SR02743SE.pdf](https://openairdocs.org/files/sha256/8c/24/8c2468ed8082f4c64a8ca3ac59eb914e1f1cebed365896e519ce2d36959d0183)

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