# STC SR02562CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Engine Technologies, LLC, United States
- Description: Installation of C&D Associates Combustion Heater Kit 28 (P/N CD14190K28)
- Applied: April 23, 2008
- Status date: February 11, 2016
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H4](https://openairdocs.org/tcds/1H4)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/79/b97959f99b3bd1f8f883cbf71749e5e6730f13eb0d6a72478373eba77968a241
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/36683463D1867C8E86257FAE006E9F93.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02562CH

## ADs that name it (0)

None.

## Approved models (1)

- California Helicopter Airways Inc. S-55B ([TCDS 1H4](https://openairdocs.org/tcds/1H4))

## 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.

Part 6 of the Civil Air Regulations.

(See Helicopter Specification No. 1H4 for complete certification basis.)

Installation of C&D Associates Combustion Heater Kit 28 (P/N CD14190K28), in accordance with C&D Associates Inc. Installation Instructions IN14190K28, dated April 23, 2008.

1. Descriptive data pertaining to this design change are considered inadequate for duplication in other aircraft.

This approval is limited to the installation in Sikorsky S-55B, S/N 55907 only.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

3. FAA Approved Rotorcraft Flight Manual Supplement dated May 22, 2008, FAA approved May 22, 2008 or later approved revision is required as part of this installation.

4. Full compliance with the C&D Combustion Heater Airworthiness Limitations, MM10001 Maintenance Manual, First Edition, Rev. none, dated January 1, 2008, or later FAA approved revision, is required.

5. 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.

Hartzell Engine Technologies LLC 2900 Selma Highway Montgomery, Alabama 36108

1H4 Make : Sikorsky Aircraft Model : S-55B, S/N 55907 Date of application : April 23, 2008

Date of issuance : May 12, 2008

Date reissued : February 11, 2016

(Signature) Timothy P. Smyth Manager, Chicago Aircraft Certification Office

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee)

from (Name of grantor) (Print or type)

(Address of grantor)

Signature of grantor (In ink):

## Every issue (2)

- February 11, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b9/79/b97959f99b3bd1f8f883cbf71749e5e6730f13eb0d6a72478373eba77968a241)
- May 12, 2008: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/b7/aa/b7aafb49db5952ebc1605437c4da80e1625e5cc4524b0e50ad0bef9ec2494ee6)

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