# STC SA00024SE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Micro AeroDynamics Inc, United States - Description: Installation of vortex generators on the wing and verticle tail, and strakes on the nacelles. - Applied: February 6, 1991 - Status date: July 28, 2020 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) - Certificate PDF: https://openairdocs.org/files/sha256/77/f8/77f845d7534733ddb3166742dd10c491bf3b11f3cef6ca8fe00bc627ce878309 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23238F7DE3F2232B862585D90065E495.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA00024SE ## ADs that name it (0) None. ## Approved models (7) - Cessna Aircraft Company 401 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 401A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 401B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 402 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 402A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 402B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) - Cessna Aircraft Company 414 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) ## 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. NNumber SA00024SE This certificate, issued to Micro AeroDynamics, Inc. 4000 Airport Road, Suite D Anacortes, WA 98221 Part 3 of the Civil Air Regulations. Original ProductType Certificate Number: A7CE Make: Textron Aviation Inc. (formerly Cessna) Model: 401, 401A, 401B, 402, 402A, 402B, 414 Description of the Type Design Change: Installation of Vortex Generators on the wings and vertical tail and strakes on the nacelles in accordance with Installation Instructions MA2011 Revision D, dated June 19, 2020, or later Federal Aviation Administration (FAA) approved revision and Drawing List MA2010 Revision D, dated December 20, 2005, or later FAA approved revision. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) listed in Installation Instructions MA2011 Revision D, dated June 19, 2020, or later FAA approved revision. Operated in accordance with the appropriate Airplane Flight Manual Supplement (AFMS) listed in the Limitations and Conditions section of this certificate. Limitations and Conditions: Approval of this change in type design applies to the aircraft listed 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 by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that 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: February 6, 1991 Date reissued Date of issuance: October 8, 1993 Date amended May 17, 1996; July 28, 2020 FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator (Signature) For Manager, Seattle ACO Branch (Title) Digitally signed by WILLARD D ASHFORTH Date: 2020.07.28 11:12:42 -07'00' TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of Transferee) (Address of Transferee) (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): PAGE 2 OF 3 PAGES ÌU.S. GPO: 1987-763-289 NNumber SA00024SE Micro AeroDynamics, Inc. Date of issuance: October 8, 1993 Reissued: Amended: May 17, 1996; July 28, 2020 Limitations and Conditions: (cont’d) The installer has two options when installing this type design change, as described in Installation Manual Document MA2011: OPTION 1: NO CHANGE IN PERFORMANCE: The vortex generators and nacelle strakes are installed on the aircraft, but the airspeed indicator is not changed and the Pilot’s Operating Handbook is not changed to reflect any improvement in performance. The aircraft continues to be operated in accordance with the existing Pilot’s Operating Handbook. OPTION 2: CHANGE IN PERFORMANCE: The vortex generators and nacelle strakes are installed on the aircraft, the airspeed indicator is changed, and an Aircraft Flight Manual Supplement is added to the Pilot’s Operating Handbook to reflect a reduced Vs, Vso, and Vmca. When OPTION 2 is chosen by the installer, the aircraft shall be operated in accordance with the applicable Aircraft Flight Manual Supplement (AFMS) shown below, or later FAA-approved revision: Aircraft S/N Document Number Date Cessna 414 0001-0450 MA2012 October 8, 1993 0451-0800 MA2013 October 8, 1993 0801-0965 MA2014 October 8, 1993 Cessna 402B 0001-0500 MA2015 May 17, 1996 0501-1000 MA2016 October 8, 1993 1001-1384 MA2017 October 8, 1993 Cessna 401, 401A, ALL MA2015 May 17, 1996 401B, 402, 402A A copy of this certificate and Installation Instructions MA2011 Revision D, dated June 19, 2020, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. When OPTION 2 is chosen by the installer, the applicable AFMS must be maintained as part of the permanent records of the modified aircraft. -END- **FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES** ## Every issue (2) - July 28, 2020: Amended, Current. [certificate](https://openairdocs.org/files/sha256/77/f8/77f845d7534733ddb3166742dd10c491bf3b11f3cef6ca8fe00bc627ce878309) - May 17, 1996: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/48/b1/48b1eb0913dfd9540d6aca2f05b51051283af78cf456290d353e669d126d4f31) --- 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.