# STC SR02453NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: CHC Helicopters International, Canada
- Description: Installation of a Water Activated Floatation System.
- Applied: February 5, 2007
- Status date: August 22, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H1NE](https://openairdocs.org/tcds/H1NE)
- Certificate PDF: https://openairdocs.org/files/sha256/9f/7b/9f7bf74df993f8322e7540f65170c2b56da1b4981a4389f2f0aa50cde704bdc1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4B98FF0665751CBF86257369004D82A7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02453NY

## ADs that name it (0)

None.

## Approved models (2)

- Sikorsky Aircraft Corporation S-76A ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))
- Sikorsky Aircraft Corporation S-76C ([TCDS H1NE](https://openairdocs.org/tcds/H1NE))

## 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.

IMPORT Number SR02453NY This certificate issued to CHC Helicopters International 4740 Agar Drive Richmond, British Columbia Canada V7B 1A3

Part 29 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number: H1NE

Make: Sikorsky

Model: S-76A & S-76C

The installation of a Water Activated Floatation System to be done in accordance with CHC Helicopters drawing number CHS76-32- 001, Revision D, dated April 4, 2007, or later Transport Canada approved revision.

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

2. 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.

3. Rotorcraft modified in accordance with this STC must be maintained in accordance with CHC Helicopters International Maintenance Manual Supplement CHS76-32-001, Revision A, dated April 10, 2007 or later Transport Canada accepted revision.

4. Operation must be in accordance with CHC Helicopters Flight Manual Supplement FMS CHS76-32-001, Revision A or later Transport Canada approved revision.

Date of application: February 5, 2007

Date of issuance: August 22, 2007 Date reissued:

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

## Every issue (1)

- August 22, 2007: Issued, Current. [certificate](https://openairdocs.org/files/sha256/9f/7b/9f7bf74df993f8322e7540f65170c2b56da1b4981a4389f2f0aa50cde704bdc1)

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