# STC SA2154NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Turboplus Aircraft Systems, Inc., United States - Description: Installation of Turboplus intercooler system M20K-12000. - Applied: September 26, 1983 - Status date: February 24, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) - Certificate PDF: https://openairdocs.org/files/sha256/66/79/6679eebdf1a77648def4884f1787e205a468e2bab9d989770bc82519d217542c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A27D1888B917DF8A862580D500661EE6.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2154NM ## ADs that name it (0) None. ## Approved models (1) - Mooney International Corporation M20K ([TCDS 2A3](https://openairdocs.org/tcds/2A3)) ## 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 SA2154NM This Certificate issued to Part 3 of the Civil Air Regulations. Description of Type Design Change: Installation of Turboplus, Inc., Intercooler System M20K-12000, in accordance with Turboplus, Inc., Installation Instructions No. M20-K-12000, dated April 16, 1984, or later FAA approved revision. NOTE 1:This installation utilizes the original Mooney Air Induction System. NOTE 2: A design change to the system, as amended February 28, 1986, includes a removal of the exit air plenum, the modification of the Mooney production cowl flaps (Turboplus Dwg. No. 12839) and the modification of the Mooney cabin heat valve as per Turboplus, Inc. Dwg. No. 12000 (Rev. A). 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 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. Turboplus Aircraft Systems, Inc. 4117 35th Ave NW Gig Harbor, WA 98335 2A3 Mooney M20K Original Product Type Certificate Number : Date reissued : 3/20/86; 10/30/87; 10/25/00; 8/25/05 ; 10/15/07; 2/24/17 Date amended : 3/20/86; 10/25/00 (Signature) Manager, Technical and Administrative Support Staff, Los Angeles Aircraft Certification Office (Title) Date of application : September 26, 1983 Date of issuance : October 26, 1983 Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if licensing agreement): Signature of grantor (In ink): ## Every issue (3) - February 24, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/66/79/6679eebdf1a77648def4884f1787e205a468e2bab9d989770bc82519d217542c) - October 15, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5b/a1/5ba194a856d5496114b71b75ba03ecc7ed8ab63e65375bbdabf381a567ba5597) - August 25, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7b/58/7b58c4f60ba291a01fbc35b44668e5e2312df49bf2b4648a4ec6aa633fff6b84) --- 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.