# STC SA983NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Machen Inc, United States - Description: Installation of a cabin air conditioner system. - Applied: September 21, 1979 - Status date: November 27, 2001 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A17WE](https://openairdocs.org/tcds/A17WE) - Certificate PDF: https://openairdocs.org/files/sha256/a9/45/a94582b5fe6ff7f9d46576798fb701d40d687a37562a5fd2cc77989f2e8b3793 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3758261BECB6CE8785256CC2005A7288.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA983NW ## ADs that name it (0) None. ## Approved models (4) - Aerostar Aircraft Corporation PA-60-600 (Aerostar 600) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE)) - 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 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. Number SA983NW This certificate, issued to Machen, Inc. 10555 Airport Drive Coeur d'Alene Airport Hayden Lake, ID 83835 Part 23 of the Federal Aviation Regulations. Original ProductType Certificate Number: A17WE Make: Piper Aerostar Model: PA-60-600, -601, -601P, and –602P Description of the Type Design Change: Installation of a cabin air conditioner system in accordance with Machen, Inc., Report 74-1. 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 Flight Manual Supplement for System A or System B 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. This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: September 21, 1979 Date reissued: November 27, 2001 Date of issuance: July 16, 1980 Date amended: 08/11/81; 02/18/82; 10/25/01 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - November 27, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a9/45/a94582b5fe6ff7f9d46576798fb701d40d687a37562a5fd2cc77989f2e8b3793) --- 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.