# STC SA1694NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sky Services Inc, United States - Description: Installation of a Turboplus Inc. Model PA-34-2000A I.A.D. intercooler system on a Continental TSIO-360 series engine-turbocharger compressor (Rajay) system, Davtron Model 301FD Delta temperature indicator and associated systems. - Applied: August 11, 1982 - Status date: March 14, 2006 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23 - Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO) - Certificate PDF: https://openairdocs.org/files/sha256/5d/63/5d63795463650354cdce724da24579a9d66f294728b75b64e125c8691278df8c - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F45F6D4BCC7FC7C28625713400736A9D.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1694NM ## ADs that name it (0) None. ## Approved models (3) - The New Piper Aircraft Inc. PA-34-200T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO)) - The New Piper Aircraft Inc. PA-34-220T (III) ([TCDS A7SO](https://openairdocs.org/tcds/A7SO)) - The New Piper Aircraft Inc. PA-34-220T (IV) ([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. United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate (This STC is a duplicate original to replace the original which was lost. Issued 3/14/06) Number SA1694NM This certificate, issued to: Sky Services, Inc. 1725 E Street N.E. Auburn, WA 98002 Part 23 of the Civil Air Regulation, through Amendment 23-6. Original Product⎯Type Certificate Number: A7SO Make: Piper Model: PA-34-200T and PA-34-220T Description of the Type Design Change: Installation of a Turboplus, Inc. Model PA-34-2000-I-A.D. Intercooler System on a Continental TSI0-360 series engine-turbocharger compressor (Rayjay) system, Davtron Model 301FD Delta temperature indicator and associated systems in accordance with Turboplus, Inc. Installation Instruction and Assembly Drawing No. PA-34-2000-I-A.D. dated August 26, 1985, or later FAA approved revisions. Limitations and Conditions: Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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, Addendum No. SA1694NM and FAA Approved Flight Manual Supplement shall 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. (See Continuation Page) Date of application: August 11, 1982 Date reissued: December 7, 1987; March 14, 2006 Date of issuance: September 13, 1982 Date amended: 5/16/83; 12/5/83; 8/29/85 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) Number SA1694NM Sky Services, Inc. Reissued: 12/7/87; 3/14/06 Amended: 5/16/83; 12/5/83; 8/29/85 Limitations and Conditions: (cont’d) The conditions and limitations of Type Certificate Data Sheet No. A7S0 apply except where superseded by the following: This Supplemental Type Certificate Addendum, which is part of STC SA1694NM, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations. A copy of this STC Addendum is required to be maintained as part of the modified aircraft’s permanent records. SUPPLEMENTAL TYPE CERTIFICATE HOLDER: Sky Services, Inc. MODEL PA34-200T AND -220T (SENECA II AND III 7 PCLM (NORMAL CATEGORY) AS MODIFIED BY STC SA1694NM) Placard: Affix the following placard directly to the Model SGH PA-34-200 intercooler: **TURBOPLUS, INC.** FAA-PMA P/N S/N Eligible: PA 34-200T, PA 34-220T Affix the following wording upon the face of the Delta temperature indicator: ENGINE AIR COOLING ºC REDUCE POWER CHART M.P. Affix the following on instrument panel in front of pilot: **CAUTION** ENGINE(S) INTERCOOLED REDUCED M.P. USED FOR RATED POWER OBSERVE “ENGINE AIR COOLING” GAUGE - END - **FAA FORM 8110-2- 1 (10-69)** ## Every issue (1) - March 14, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5d/63/5d63795463650354cdce724da24579a9d66f294728b75b64e125c8691278df8c) --- 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.