# STC SA3589NM - Type: Supplemental type certificate - Status: Current, Amended - Holder: Machen Inc, United States - Description: Installation of Machen, Inc. intercooler engine as modified by STC SE3590NM, optional Hartzell HC-C3YR-2UF/FC8468DB-14 propellers. - Applied: April 18, 1986 - Status date: November 1, 1998 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS A17WE](https://openairdocs.org/tcds/A17WE) - Certificate PDF: https://openairdocs.org/files/sha256/0a/2a/0a2a8b9740740a22eeafea1102111e381eb7cfea3d3d3bfc1350d89584b33b64 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C285667E0DFB14B785256CC2000A9984.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA3589NM ## ADs that name it (0) None. ## Approved models (3) - Aerostar Aircraft Corporation PA-60-601 (Aerostar 601) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-601P (Aerostar 601P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - Aerostar Aircraft Corporation PA-60-602P (Aerostar 602P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3589NM This certificate issued to: Machen, Inc. 10555 Airport Drive Coeur d'Alene Airport Hayden Lake, ID 83835 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirement's of Part 23 of the Federal Aviation Regulations. Original Product Type Certificate Number: A17WE Make: Aerostar Model: PA-60-601, -601P, -602P Description of Type Design Change: Installation of Machen, Inc., intercooled engines as modified by Supplemental Type Certificate (STC) SE3590NM, optional Hartzell HC-C3YR-2UF/FC8468DB-14 or Hartzell HC- C3YR-2UF/FC8468DB-14(MM) propellers and associated systems in accordance with Machen, Inc., Report 62-1 or later FAA approved revision. Note: Do not mix (MM) blades with non-(MM) blades on the same propeller hub. Performance is equal to or better than the unmodified aircraft for all aircraft modified in accordance with this STC. Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement dated April 19, 1988, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. 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. Date of Application: April 18, 1986 Date Reissued: Date of Issuance: August 22, 1986 Date Amended: 10/08/86; 04/19/88; 10/18/96; 11/01/98 FEDERAL AVIATION спіо armi (Signature) TOMINIST RA T10% Acting Manager, Seattle Aircraft Certification Office (Title) 47. ## Every issue (1) - November 1, 1998: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0a/2a/0a2a8b9740740a22eeafea1102111e381eb7cfea3d3d3bfc1350d89584b33b64) --- 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.