# STC SA01566CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Engine Technologies, LLC, United States
- Description: Installation of C&D Associates Combustion Heater Kit
- Applied: March 15, 2001
- Status date: February 11, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/3b/f2/3bf22f43bd888ed191ad032bd7c30c31fc721b6ad19bc183066bf7a02bc1349d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/68496537604E6F6286257FAB0059FF4A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01566CH

## ADs that name it (0)

None.

## Approved models (5)

- Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- Piper Aircraft Inc. PA-E23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## 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 3 of the Civil Air Regulations.

See Aircraft Specification No. 1A10 for complete certification basis.

1. Installation of C&D Associates Combustion Heater Kit 1 P/N CD11005K1, on PA-23, PA-23-160, PA-23-235 in accordance with C&D Associates heater Installation Instructions IN11005K1, Rev. -, dated March 15, 2001 or later FAA approved revision.

2. Installation of C&D Associates Combustion Heater Kit 2A(c) P/N CD11005K2 (C) for carbureted engine, on PA-23-250, PA-E23-250 in accordance with C&D Associates heater Installation Instructions IN11005K2, Rev. -, dated March 15, 2001 or later FAA approved revision.

3. Installation of C&D Associates Combustion Heater Kit 2A(f) P/N CD11005K2 (F) for fuel injected engine, on PA-23-250, PA-E23-250 in accordance with C&D Associates heater Installation Instructions IN11005K2, Rev. -, dated March 15, 2001 or later FAA approved revision.

4. Installation of C&D Associates Combustion Heater Kit 2B P/N CD11006K2, on PA-23-250, PA-E23-250 in accordance with C&D Associates heater Installation Instructions IN11006K2, Rev. -, dated March 15, 2001 or later FAA approved revision.

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

2. Check aircraft Weight and Balance.

3. FAA approved flight manual supplement Rev. no change, dated 8/30/2004, is required.

4. Full compliance with the C&D Combustion Heater Airworthiness Limitations, revision B, dated January 1, 2000, 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 1A10 Make : Piper Model : PA-23, PA-23-160, PA-23-235, PA-23-250, PA-E23-250

Date reissued : March 4, 2004; November 1, 2004 February 11, 2016

Date amended : September 7, 2004

(Signature) Timothy Smyth Manager, Chicago Aircraft Certification Office

(Title)

Date of application : March 15, 2001

Date of issuance : November 5, 2001

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 (1)

- February 11, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3b/f2/3bf22f43bd888ed191ad032bd7c30c31fc721b6ad19bc183066bf7a02bc1349d)

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