# STC SE01944LA - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Jet Engineering LTD, United States - Description: Installation of a JET Engineering, Ltd. Turbine Exhaust Cone Mixer (TECM). - Applied: January 10, 2005 - Status date: September 17, 2009 - Product: Engine - Certification basis: Part 21 - Data sheets: [TCDS E9NE](https://openairdocs.org/tcds/E9NE) - Certificate PDF: https://openairdocs.org/files/sha256/3d/a0/3da00198b0afd2dcba1d6b232c0543e71247c6f17de031eca4c5575d85e4b68d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D4D9F01839B8256886257639006D6E63.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SE01944LA ## ADs that name it (0) None. ## Approved models (4) - Pratt & Whitney Division JT8D-217 ([TCDS E9NE](https://openairdocs.org/tcds/E9NE)) - Pratt & Whitney Division JT8D-217A ([TCDS E9NE](https://openairdocs.org/tcds/E9NE)) - Pratt & Whitney Division JT8D-217C ([TCDS E9NE](https://openairdocs.org/tcds/E9NE)) - Pratt & Whitney Division JT8D-219 ([TCDS E9NE](https://openairdocs.org/tcds/E9NE)) ## 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: SE01944LA This certificate issued to: JET ENGINEERING, LTD. 2285 East Elvira Road Tucson, Arizona 85745 Part 33* of the Federal Aviation Pegulalions. *certification basis is set forth in Type Certificate Date Sheet EONE Original Product Type Certificate Number: EINE Make: Pratt & Whitney Model: JT8D-217, -217A, -217C, -219 Description of Type Design Change: Installation of a JET Engineering, Ltd. Turbine Exhaust Cone Mixer (TECM) on the above engine model(s) in accordance with JET Engineering Master Drawing List (MDL) No. 205-1000, Rev. D, dated January 17, 2007, or later FAA approved revisions. The following document is applicable for this installation: JET-TR-805 'Supplemental Structural Inspection Requirements", Revision N/C, dated April 27, 2004, or later FAA approved revisions. Limitations and Conditions: This installation must be done concurrently with STC No. ST01943LA installation of Jet Engineering, Ltd. Advanced Jet Nozzles which modifies the airplane engine installation. Approval of this change in type design applies to the above engine model(s) only and must have United Technologies/P & W Service Bulletin No. 6091, "Exhaust Cone Attachment Modification" installed. This approval should not be extended to other specific engines of the models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of that engine. 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: January 10, 2005 Date Reissued: February 8, 2008, September 17, 2009 Date of Issuance: January 17, 2007 FEDERAL AVIATION TOMINSTRATO Manager, Propulsion Branch Los Angeles Aircraft Certification Office (Title) TRANSFER ENDORSEMENT 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 (4) - September 17, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3d/a0/3da00198b0afd2dcba1d6b232c0543e71247c6f17de031eca4c5575d85e4b68d) - February 8, 2008: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/d5/3a/d53afa5f2b2aca251d5e860a41dc35482f94377ade3bd7bff5071f5178f863a1) - February 13, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/7f/3a/7f3aea716d6832e61534e1c3dc95795711f5446598c8f1e420b61061787d3479) - January 17, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/81/1c/811c1cc391abbed0002eb801f677dd2f68d1c8d49a527b6a802c38d6fa3c96d9) --- 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.