# STC SA00441SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Micro AeroDynamics Inc, United States - Description: Install vortex generators on wings. - Applied: April 17, 1997 - Status date: May 28, 1997 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS A10WE](https://openairdocs.org/tcds/A10WE) - Certificate PDF: https://openairdocs.org/files/sha256/5f/d4/5fd4f9d43c218db876251b6626c3433e76fa36488e3755923c49ca8656d1fde0 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CE383BCCD391BCAD85256CC1007DC924.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA00441SE ## ADs that name it (0) None. ## Approved models (4) - Weatherly Aircraft Company 201 ([TCDS A10WE](https://openairdocs.org/tcds/A10WE)) - Weatherly Aircraft Company 201A ([TCDS A10WE](https://openairdocs.org/tcds/A10WE)) - Weatherly Aircraft Company 201B ([TCDS A10WE](https://openairdocs.org/tcds/A10WE)) - Weatherly Aircraft Company 201C ([TCDS A10WE](https://openairdocs.org/tcds/A10WE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Book Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00441SE This certificate issued to: Micro Aerodynamics, Inc. 4000 Airport Road, Suite D Anacortes, WA 98221 Part 21.25 of the Federal Aviation Regulations. Original Product -Type Certificate Number: A10WE Make: Weatherly Model: 201, 201A, 201B, and 201C Description of Type Design Change: Install Vortex Generators on the wings per Micro Aerodynamics drawing package MA2083, Revision IR, dated April 4, 1997, and Installation Manual MA2084, Revision IR, dated April 4, 1997, or later FAA approved revisions. 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. Additionally if more than 5 vortex generators are damaged or missing, the aircraft is not to be considered airworthy. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft. The STC holder will provide a written permission statement to each person it authorizes to use this certificate to alter the product. Date of Application: April 17, 1997 Date Reissued: Date of Issuance: May 28, 1997 Date Amended: FEDERAL AVIATION By Direction of the Administrator Cedri (Signature) TOMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title) ## Every issue (1) - May 28, 1997: Issued, Current. [certificate](https://openairdocs.org/files/sha256/5f/d4/5fd4f9d43c218db876251b6626c3433e76fa36488e3755923c49ca8656d1fde0) --- 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.