# STC SR04401NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Carson Helicopters Inc, United States
- Description: Increase of Out of Ground Effect (OGE) Hover Performance
- Applied: July 2, 2018
- Status date: November 8, 2019
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS R00014LA](https://openairdocs.org/tcds/R00014LA), [TCDS R00004SE](https://openairdocs.org/tcds/R00004SE), [TCDS 1H15](https://openairdocs.org/tcds/1H15), [TCDS H2EA](https://openairdocs.org/tcds/H2EA)
- Certificate PDF: https://openairdocs.org/files/sha256/9a/ee/9aee471f23128663ed916c1ad491e63612a27f6188a4b1b631ba3c3778245585
- Approved model list and other attachments: [SR04401NY_AML.pdf](https://openairdocs.org/files/sha256/9f/cc/9fcc546ba9cebc725f86a36a3f4e68ee990723af78b9b102b7dc6eb3aa39457e)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D10EC814CCAD9394862585A700526DCC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR04401NY

## ADs that name it (0)

None.

## Approved models (5)

- Carson Helicopters Inc. SH-3H ([TCDS R00014LA](https://openairdocs.org/tcds/R00014LA))
- Croman Corporation SH-3H ([TCDS R00004SE](https://openairdocs.org/tcds/R00004SE))
- Sikorsky Aircraft S-61N ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft S-61NM ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft Corporation S-61A ([TCDS H2EA](https://openairdocs.org/tcds/H2EA))

## 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 (5/14) Page 1 of

Part of the

Signature

Title SR04401NY Carson Helicopters, Inc.

952 Blooming Glen Road Perkasie, PA 18944 Federal Aviation Regulations.

1. Increase of Out of Ground Effect (OGE) Hover Performance for the Sikorsky models S-61N, S-61NM and S-61A, Carson Helicopters, Inc & Croman Corporation model SH-3H in accordance with Carson Helicopters, Inc. Report No.

CER-61CTRBP-61200 Revision D dated 08-19-2019, or later FAA approved revisions.

2. Operation to be in accordance with Carson Rotorcraft Flight Manual Supplement Nos. 20, 21 & 22. See attached FAA Approved Model List (AML).

1. See attached FAA Approved Model List (AML) for STC prerequisite installation.

2. See attached FAA Approved Model List (AML) for required Documentation.

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

4. 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.

Anthony E. Gallo Manager New York ACO Branch **See attached FAA Approved Model List (AML) **See attached FAA Approved Model List (AML) July 2, 2018 November 8, 2019 **See attached FAA Approved Model List (AML) No. SR04401NY for the list of approved aircraft 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SR04401NY

### SR04401NY_AML.pdf

Page 1 of 1 FAA Approved Model List (AML) No. SR04401NY CARSON HELICOPTERS, INC.

FOR

OGE HOVER PERFORMANCE EVALUATION WITH CARSON COMPOSITE MAIN AND TAIL ROTOR BLADES Date Issued: November 8, 2019 ITEM MAKE MODEL CERT BASIS TCDS No. PREREQUISITE STC’S ROTORCRAFT FLIGHT

MANUAL-SUPPLEMENT 1 Sikorsky S-61N S-61NM CAR 7 1H15 SH640NE (note 1) SR01585NY (note 2) SR04122NY (note 3) SR00283SE (note 4) RFMS No. 21 Rev 0, Approved 11/07/2019 2 Sikorsky S-61A

CFR 21.25 (a)(2) H2EA SR01585NY (note 2) SR04122NY (note 3) RFMS No. 20 Rev 0, Approved 11/07/2019 3 Carson SH-3H R00014LA SR01585NY (note 2) SR04122NY (note 3) SR01427SE (note 5) SR01755SE (note 6) RFMS No. 22 Rev 0, Approved 09/25/2019 4 Croman SH-3H R00004SE

Notes:

1 Reduces S-61N Fuselage by 50" (CHI) 2 Installation of Carson Composite Main Rotor Blade 3 Installation of Carson Composite Tail Rotor Blade 4 Reduces S-61N Fuselage by 50" (Vector) 5 Installation of Fixed Landing Gear 6 Installation of Fixed Main Rotor Head

FAA Approved ____________________________ Anthony E. Gallo Manager, New York ACO Branch Compliance & Airworthiness Division

## Every issue (1)

- November 8, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9a/ee/9aee471f23128663ed916c1ad491e63612a27f6188a4b1b631ba3c3778245585), [SR04401NY_AML.pdf](https://openairdocs.org/files/sha256/9f/cc/9fcc546ba9cebc725f86a36a3f4e68ee990723af78b9b102b7dc6eb3aa39457e)

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