# STC SR02487NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Carson Helicopters, Inc, United States
- Description: Increased Category A Performance for the Sikorsky S-61L, S-61N and S-61NM Helicopters.
- Applied: October 27, 2004
- Status date: July 13, 2018
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H15](https://openairdocs.org/tcds/1H15)
- Certificate PDF: https://openairdocs.org/files/sha256/14/66/14661737af301fcde275e7d01c0ce83435962cddcdbf9cfc76196aa1e0bd8cf8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAFA125C467AED16862582E90052ED41.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02487NY

## ADs that name it (0)

None.

## Approved models (3)

- Sikorsky Aircraft Corporation S-61L ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft Corporation S-61N ([TCDS 1H15](https://openairdocs.org/tcds/1H15))
- Sikorsky Aircraft Corporation S-61NM ([TCDS 1H15](https://openairdocs.org/tcds/1H15))

## 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 SR02487NY Carson Helicopters, Inc.

952 Blooming Glen Road Perkasie, PA 18944 Civil Air Regulations.

1. Increased Category A Performance for the Sikorsky S-61L, S-61N, S-61NM Helicopters in accordance with Carson Helicopters, Inc. Report No. CHI-04-1001 Rev G, dated February 6, 2007.

1. S-61 Models effected by this STC are required to be configured with the following:

CT58-140-1 Engines or -2 Engines S61 Long Fuselage Aircraft Main Gear Box (P/NS6135-20600-039 and subsequent)

(See Limitations and Conditions Continued Page 3 of 3) Michael Linegang Acting Manager New York ACO Branch Sikorsky Aircraft S-61L, S-61N, S-61NM

July 13, 2018 January 27, 2009 October 27, 2004 December 05, 2007 1H15 3

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

To (Name and address of transferee)

From (Name and address of grantor)

3 SR02487NY

FAA Form 8110-2 (5/14) Page 3 of 3 Date Reissued: July 13, 2018

Ribbed pocket tail rotor blades (P/N S6117-30101-043 and subsequent) Bifilar assembly (P/N S6112-23039-017 or -18) Beam Pitch Control Tail Gear Box (P/N S6135-66705-1 and subsequent) Fixed Land Main Gear Box or Sponson Landing Gear STC SR01585NY (Composite Main Rotor Blades P/N 163-101-1)

2. Operations must be in accordance with Carson Helicopters, Inc. Rotorcraft Flight Manual Supplement No.7, Rev A, FAA approved January 27, 2009.

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.

----------END----------

SR02487NY

## Every issue (3)

- July 13, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/14/66/14661737af301fcde275e7d01c0ce83435962cddcdbf9cfc76196aa1e0bd8cf8)
- January 27, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f2/52/f252cb8629820c5a9caea8077ed333e23979d26114242da757b00b454638a41a)
- December 5, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/88/9b/889b24b97a0071503a259908e27a9d163bcef4a111841ae419e95822b018f41c)

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