# STC SA02785CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Engine Technologies, LLC, United States
- Description: Installation of C&D Associates 24-volt combustion heater pump P/N CD52050
- Applied: November 19, 2009
- Status date: February 11, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO)
- Certificate PDF: https://openairdocs.org/files/sha256/19/ea/19ea2b8f230b1a83c74643624cfccf5323133c638b83a1b8e3acaa52e64d72d9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/754BE6C12EE2FE2386257FAE0059B537.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02785CH

## ADs that name it (0)

None.

## Approved models (3)

- Piper Aircraft Inc. PA-34-200 ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- Piper Aircraft Inc. PA-34-200T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- Piper Aircraft Inc. PA-34-220T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))

## 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.

This certificate issued to

Part 23 of the Federal Aviation Regulations.

See Type Certification Data Sheet No. A7SO for complete certification basis.

Installation of C&D Associates 24-volt combustion heater pump P/N CD52050 in accordance with Installation Instructions IN52050, no revision, dated November 23, 2009 or later FAA approved revision.

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

2. Annually check mounting security and pump fuel leakage.

3. Refer to the Piper Maintenance Manual for heater fuel pump maintenance.

4. 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 A7SO Make : Piper Aircraft Model : PA-34-200, PA-34-200T, PA-34-220T

Date of application : November 19, 2009

Date of issuance : December 2, 2009 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/sha256/19/ea/19ea2b8f230b1a83c74643624cfccf5323133c638b83a1b8e3acaa52e64d72d9)
- December 2, 2009: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/d2/41/d241cbd7b6f949b3853bf3b51f1488ebbb14f51212cf162f57efc2e21ba3cac7)

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