# STC SA02119CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Hartzell Engine Technologies, LLC, United States
- Description: Installation of C&D Associates Combustion Heater Kit 17 P/N CD14045K17
- Applied: February 10, 2005
- Status date: February 11, 2016
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- Certificate PDF: https://openairdocs.org/files/sha256/1d/5a/1d5a5717e96ec9a295e34df0dbbc5fe6ac12470b9c6ab654370f3cf8aa677210
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F801CDD5A4B9E35086257FAB0069FE4C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02119CH

## ADs that name it (0)

None.

## Approved models (2)

- Twin Commander Aircraft LLC 680-F(P) ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-FL(P) ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

## 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 Type Certificate Data Sheet No. 2A4 for complete certification basis.

Installation of C&D Associates Combustion Heater Kit 17 P/N CD14045K17, in accordance with C&D Associates heater Installation Instructions IN14045K17, Rev. none, dated February 3, 2005 or later FAA approved revision.

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

2. FAA Approved Airplane Flight Manual Supplement signed and dated February 17, 2005 is required.

3. Full compliance with the C&D Combustion Heater Airworthiness Limitations, MM10000 Maintenance Manual, Second Edition, Rev A, dated April 4, 2002, or later FAA approved revision, is required.

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 2A4 Make : Twin Commander Aircraft Corporation Model : 680FL(P), 680F(P)

Date of application : February 10, 2005

Date of issuance : March 10, 2005

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/sha256/1d/5a/1d5a5717e96ec9a295e34df0dbbc5fe6ac12470b9c6ab654370f3cf8aa677210)
- March 10, 2005: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/d8/ea/d8ea742a6551b79ce867294af48a730740855b862c209ccd1a1758b4ee66322a)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
