# STC SA00743SE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Micro AeroDynamics Inc, United States - Description: Installation of vortex generators on the wing leading edge, underside of the horizontal stabilizer, and on the vertical fin in accordance with Micro AeroDynamics Drawing List MA2117, Revision IR, dated July 14, 1999, and Installation Instructions MA2118, Revision IR, dated September 21, 1999, or later FAA approved revisions to either of these documents. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy - Applied: August 10, 1999 - Status date: April 27, 2004 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10) - Certificate PDF: https://openairdocs.org/files/sha256/6f/01/6f01a72aa6eb897144bb514b7b978d0287edba6ea7a160555da5dfba5a83e745 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67D4448DBF19E97286256E980054CBD9.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA00743SE ## ADs that name it (0) None. ## Approved models (2) - The New Piper Aircraft Inc. PA-23 ([TCDS 1A10](https://openairdocs.org/tcds/1A10)) - The New Piper Aircraft Inc. PA-23-160 ([TCDS 1A10](https://openairdocs.org/tcds/1A10)) ## 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 SA00743SE This certificate, issued to Micro AeroDynamics, Inc. 4000 Airport Rd., Suite D Anacortes, WA 98221 Part 3 of the Civil Aviation Regulations. Original ProductType Certificate Number: 1A10 Make: Piper Model: PA-23, PA23-160 Description of the Type Design Change: Installation of vortex generators on the wing leading edge, underside of the horizontal stabilizer, and on the vertical fin in accordance with Micro AeroDynamics Drawing List MA2117, Revision IR, dated July 14, 1999, and Installation Instructions MA2118, Revision IR, dated September 21, 1999, or later FAA approved revisions to either of these documents. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy Limitations and Conditions: Concurrent or prior installation of STC SA671SW is required as part of the incorporation of this modification. Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. However, it has been demonstrated, that modification in accordance with STC SA899SW, is compatible with this STC. A copy of this Certificate 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: August 10, 1999 Date reissued: Date of issuance: October 6, 1999 Date amended: April 27, 2004 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - April 27, 2004: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6f/01/6f01a72aa6eb897144bb514b7b978d0287edba6ea7a160555da5dfba5a83e745) --- 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.